๐ 8 LeBot โ Short-Answer Anticipation
300 questions ยท 177 buzzed correct ยท
70 buzzed wrong ยท
53 abstained ยท buzz threshold Pโฅ80% ยท honest (out-of-fold) probabilities.
Each row = the answer the bot would give having heard only that many words. ๐ = where it commits.
BIOLOGY Stanford_2025
โ buzzed CORRECT ยท buzz @ word 9/35 (26% in)
Ehlers-Danlos [EH-lerz DAN-lowz] syndrome is characterized by hypermobility, skin hyperextensibility, ๐ and tissue fragility. This disorder is caused by mutations in genes that affect the synthesis of what protein, the most abundant in the human body?
gold answer: Collagen
heard bot's guess P(correct) 0 (0%) collagen โ 3 (9%) collagen โ 6 (18%) collagen โ 9 (26%) collagen โ 12 (35%) collagen โ 15 (44%) collagen โ 18 (53%) collagen โ 21 (62%) encode collagen โ 24 (71%) collagen โ 27 (79%) collagen โ 30 (88%) Collagen โ 33 (97%) Collagen โ 34 (100%) Collagen โ
EARTH_SPACE Prometheus 2021
โ buzzed CORRECT ยท buzz @ word 3/11 (30% in)
Hornfels [HORN-fellz] and quartzite ๐ typically form from what type of metamorphism?
gold answer: Contact
heard bot's guess P(correct) 0 (0%) contact metamorphism โ 3 (30%) contact metamorphism โ 6 (60%) contact metamorphism โ 9 (90%) contact metamorphism โ 10 (100%) contact metamorphism โ
BIOLOGY Cast
โ buzzed CORRECT ยท buzz @ word 3/10 (33% in)
What bonds link glycerol ๐ to fatty acids in a triglyceride?
gold answer: ESTER LINKAGES
heard bot's guess P(correct) 0 (0%) โ 3 (33%) Ester bonds โ 6 (67%) Ester bonds โ 9 (100%) Ester bonds โ
BIOLOGY SBST (Spring)
โ buzzed CORRECT ยท buzz @ word 3/9 (38% in)
Roots may release phytosiderophores ๐ to absorb what metal ion?
gold answer: IRON / Fe3+
heard bot's guess P(correct) 0 (0%) โ 3 (38%) Iron โ 6 (75%) iron โ 8 (100%) Iron โ
BIOLOGY MIT-2024
โ buzzed CORRECT ยท buzz @ word 9/25 (38% in)
Sharks produce TMAO to avoid the deleterious effects of a ๐ particular nitrogenous product of protein catabolism. What is the common name for this nitrogenous compound?
gold answer: Urea
heard bot's guess P(correct) 0 (0%) โ 3 (12%) counteract urea โ 6 (25%) Urea โ 9 (38%) urea โ 12 (50%) Urea โ 15 (62%) Urea โ 18 (75%) Urea โ 21 (88%) Urea โ 24 (100%) Urea โ
CHEMISTRY CSUB
โ buzzed CORRECT ยท buzz @ word 9/23 (41% in)
In 1811, what person published a paper that advanced the ๐ idea that all gases contain the same number of particles per unit volume?
gold answer: AVAGADRO / AVAGADROโS HYPOTHESIS
heard bot's guess P(correct) 0 (0%) โ 3 (14%) Avogadro โ 6 (27%) Avogadro โ 9 (41%) Avogadro โ 12 (55%) Avogadro โ 15 (68%) Avogadro โ 18 (82%) Avogadro โ 21 (95%) Avogadro โ 22 (100%) Avogadro โ
BIOLOGY MEHS Rounds
โ buzzed CORRECT ยท buzz @ word 3/8 (43% in)
What direction does helicase ๐ unwind DNA during replication?
gold answer: 3 PRIME TO 5 PRIME
heard bot's guess P(correct) 0 (0%) โ 3 (43%) 3' to 5' โ 6 (86%) โ 7 (100%) 3' to 5' โ
BIOLOGY SBST
โ buzzed CORRECT ยท buzz @ word 3/8 (43% in)
Nematocysts are possessed by ๐ members of what phylum?
gold answer: CNIDARIA
heard bot's guess P(correct) 0 (0%) cnidarians โ 3 (43%) Cnidarians โ 6 (86%) Cnidaria โ 7 (100%) Cnidaria โ
OTHER NSBA2
โ buzzed CORRECT ยท buzz @ word 15/35 (44% in)
Cantorโs diagonalization argument provides a common proof for the Turing-undecidability of what problem in computability theory, ๐ which asks whether it is possible to determine whether a particular program will run forever on a given input?
gold answer: HALTING PROBLEM
heard bot's guess P(correct) 0 (0%) โ 3 (9%) The uncountability of the real numbers โ 6 (18%) The reals are uncountable โ 9 (26%) the halting problem โ 12 (35%) The halting problem โ 15 (44%) The halting problem โ 18 (53%) The halting problem โ 21 (62%) The halting problem โ 24 (71%) The halting problem โ 27 (79%) Halting problem โ 30 (88%) Halting problem โ 33 (97%) Halting problem โ 34 (100%) Halting problem โ
BIOLOGY Berkeley-2023
โ buzzed CORRECT ยท buzz @ word 9/21 (45% in)
What process during meiosis results in increased genetic diversity by ๐ creating chromatids that are a combination of the mother and father?
gold answer: CROSSING OVER
heard bot's guess P(correct) 0 (0%) โ 3 (15%) โ 6 (30%) Crossing over โ 9 (45%) Crossing over โ 12 (60%) Crossing over โ 15 (75%) Crossing over โ 18 (90%) Crossing over โ 20 (100%) Crossing over โ
EARTH_SPACE GWHS Rounds
โ buzzed CORRECT ยท buzz @ word 6/14 (46% in)
Give the name for the largest canyon ๐ in the Solar System, found on Mars.
gold answer: VALLES MARINERIS
heard bot's guess P(correct) 0 (0%) โ 3 (23%) โ 6 (46%) Valles Marineris โ 9 (69%) Valles Marineris โ 12 (92%) Valles Marineris โ 13 (100%) Valles Marineris โ
PHYSICS BASED-2025
โ buzzed CORRECT ยท buzz @ word 12/26 (48% in)
What equation for fluid flow states that the amount of water flowing into ๐ a point must equal the amount of water flowing out of that point?
gold answer: CONTINUITY EQUATION
heard bot's guess P(correct) 0 (0%) โ 3 (12%) Bernoulli's equation โ 6 (24%) Bernoulli's equation โ 9 (36%) Continuity equation โ 12 (48%) Continuity equation โ 15 (60%) continuity equation โ 18 (72%) Continuity equation โ 21 (84%) Continuity equation โ 24 (96%) Continuity equation โ 25 (100%) The continuity equation โ
ENERGY MIT-2022
โ buzzed CORRECT ยท buzz @ word 24/50 (49% in)
The Pentelute lab at MIT is synthesizing bioconjugated proteins to target superbugs. What group of high-yield, stereospecific organic reactions is the lab using to join ๐ small molecules to the proteins, an example of which is the reaction of an alkyne with an azide using copper (I) (read: copper one) catalysis?
gold answer: Click chemistry
heard bot's guess P(correct) 0 (0%) โ 3 (6%) โ 6 (12%) โ 9 (18%) โ 12 (24%) โ 15 (31%) โ 18 (37%) Click chemistry โ 21 (43%) Click chemistry โ 24 (49%) Click chemistry โ 27 (55%) Click chemistry โ 30 (61%) Click chemistry โ 33 (67%) Click chemistry โ 36 (73%) Click chemistry โ 39 (80%) Click chemistry โ 42 (86%) Click chemistry โ 45 (92%) Click chemistry โ 48 (98%) Click chemistry โ 49 (100%) Click chemistry โ
BIOLOGY Prometheus 2021
โ buzzed CORRECT ยท buzz @ word 12/25 (50% in)
Mediated by AMPA and NMDA receptors, what term is given to repeated stimulation ๐ of a neuronal synapse leading to a longlasting increase in synaptic strength?
gold answer: Long-term potentiation / LTP
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (25%) Long-term potentiation โ 9 (38%) Long-term potentiation โ 12 (50%) Long-term potentiation โ 15 (62%) Long-term potentiation โ 18 (75%) Long-term potentiation โ 21 (88%) Long-term potentiation โ 24 (100%) Long-term potentiation โ
EARTH_SPACE MEHS Rounds
โ buzzed CORRECT ยท buzz @ word 12/25 (50% in)
What type of mass movement is the slowest and is caused by the ๐ downslope movement of particles that occurs on slopes covered with loose material?
gold answer: CREEP
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (25%) โ 9 (38%) Creep โ 12 (50%) Creep โ 15 (62%) Creep โ 18 (75%) Creep โ 21 (88%) Creep โ 24 (100%) Creep โ
PHYSICS AVES-2025
โ buzzed CORRECT ยท buzz @ word 24/49 (50% in)
What experiment, in which electrons in a vacuum tube were shot through a thin vapor of mercury, showed that electrons lost a fixed amount of ๐ kinetic energy when collided with a mercury atom and was the first experiment to support the quantum nature of electrons in an electrical perspective?
gold answer: Franck-Hertz Experiment
heard bot's guess P(correct) 0 (0%) โ 3 (6%) โ 6 (12%) Davisson-Germer experiment โ 9 (19%) Davisson-Germer experiment โ 12 (25%) Davisson-Germer experiment โ 15 (31%) Franck-Hertz experiment โ 18 (38%) Franck-Hertz experiment โ 21 (44%) Franck-Hertz experiment โ 24 (50%) Franck-Hertz experiment โ 27 (56%) Franck-Hertz experiment โ 30 (62%) Franck-Hertz experiment โ 33 (69%) Franck-Hertz experiment โ 36 (75%) Franck-Hertz experiment โ 39 (81%) Franck-Hertz experiment โ 42 (88%) Franck-Hertz experiment โ 45 (94%) Franck-Hertz experiment โ 48 (100%) Franck-Hertz experiment โ
PHYSICS BASIS Peoria Rounds
โ buzzed CORRECT ยท buzz @ word 6/13 (50% in)
Which law of thermodynamics is a restatement ๐ of the transitive property of equality?
gold answer: ZEROTH LAW OF THERMODYNAMICS
heard bot's guess P(correct) 0 (0%) โ 3 (25%) โ 6 (50%) Zeroth law โ 9 (75%) Zeroth law โ 12 (100%) Zeroth law โ
ENERGY NWI-2025
โ buzzed CORRECT ยท buzz @ word 15/30 (52% in)
Although now used for rapid weight loss, in 1921 Dr. Russell Wilder used what type of ๐ diet characterized by its high fat yet low carbohydrate content to combat epilepsy? (AI)
gold answer: KETOGENIC / KETO
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (21%) โ 9 (31%) Ketogenic diet โ 12 (41%) Ketogenic diet โ 15 (52%) Ketogenic diet โ 18 (62%) Ketogenic diet โ 21 (72%) Ketogenic diet โ 24 (83%) Ketogenic โ 27 (93%) Ketogenic diet โ 29 (100%) Ketogenic diet โ
EARTH_SPACE AVES-2025
โ buzzed CORRECT ยท buzz @ word 15/30 (52% in)
What rock texture is formed by an intergrowth of lamellae of two different minerals, typically potassium- ๐ and sodium-rich feldspar, that once formed a solid solution before undergoing exsolution during cooling?
gold answer: Perthitic
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (21%) โ 9 (31%) perthite โ 12 (41%) Perthite โ 15 (52%) Perthite โ 18 (62%) Perthite โ 21 (72%) Perthite โ 24 (83%) Perthite โ 27 (93%) Perthite โ 29 (100%) Perthite โ
BIOLOGY ICSBT-2025
โ buzzed CORRECT ยท buzz @ word 15/30 (52% in)
Plants use the glutamine synthetaseโglutamate synthase pathway to assimilate nitrogen into usable organic compounds. What electron ๐ carrier reduces glutamine in the pathway to convert it to glutamate for later transamination?
gold answer: Ferredoxin
heard bot's guess P(correct) 0 (0%) โ 3 (10%) GS-GOGAT โ 6 (21%) nitrogen assimilation โ 9 (31%) Ammonium โ 12 (41%) glutamine โ 15 (52%) Ferredoxin โ 18 (62%) Ferredoxin โ 21 (72%) Ferredoxin โ 24 (83%) Ferredoxin โ 27 (93%) Ferredoxin โ 29 (100%) Ferredoxin โ
PHYSICS IGNIS 2022
โ buzzed CORRECT ยท buzz @ word 9/18 (53% in)
What principle states that in the limit of large quantum ๐ numbers, quantum physics becomes equivalent to classical physics?
gold answer: Correspondence principle
heard bot's guess P(correct) 0 (0%) โ 3 (18%) โ 6 (35%) Correspondence principle โ 9 (53%) Correspondence principle โ 12 (71%) Correspondence principle โ 15 (88%) Correspondence principle โ 17 (100%) Correspondence principle โ
BIOLOGY texas_sci_bowl_2025
โ buzzed CORRECT ยท buzz @ word 9/18 (53% in)
Which oxygen-carrying protein found in the root nodules of legumes ๐ helps provide an anaerobic environment for nitrogen fixation?
gold answer: Leghemoglobin
heard bot's guess P(correct) 0 (0%) โ 3 (18%) hemoglobin โ 6 (35%) Leghemoglobin โ 9 (53%) Leghemoglobin โ 12 (71%) Leghemoglobin โ 15 (88%) Leghemoglobin โ 17 (100%) Leghemoglobin โ
BIOLOGY Walton Rounds
โ buzzed CORRECT ยท buzz @ word 9/18 (53% in)
What kind of nephrons have short loops of Henle and ๐ are most entirely confined to the renal cortex?
gold answer: CORTICAL NEPHRONS
heard bot's guess P(correct) 0 (0%) โ 3 (18%) juxtamedullary nephrons โ 6 (35%) Cortical nephrons โ 9 (53%) Cortical nephrons โ 12 (71%) Cortical nephrons โ 15 (88%) Cortical nephrons โ 17 (100%) Cortical nephrons โ
PHYSICS Deadbird Invitational
โ buzzed CORRECT ยท buzz @ word 9/18 (53% in)
What law in physics states that quantum systems must reproduce ๐ results from classical physics at sufficiently large scales?
gold answer: CORRESPONDENCE PRINCIPLE
heard bot's guess P(correct) 0 (0%) โ 3 (18%) โ 6 (35%) Pauli exclusion principle โ 9 (53%) The correspondence principle โ 12 (71%) Correspondence principle โ 15 (88%) Correspondence principle โ 17 (100%) Correspondence principle โ
ENERGY WSBT
โ buzzed CORRECT ยท buzz @ word 30/57 (54% in)
Lawrence Berkeley physicists observe that distant regions of space in opposite directions are so far apart that they could never have been in causal impact with one another, given the speed ๐ of light and the age of the universe. What is the name of this observation, which was known as a limitation of the big bang theory?
gold answer: Horizon problem / Homogeneity problem
heard bot's guess P(correct) 0 (0%) Lawrence Berkeley National Laboratory โ 3 (5%) โ 6 (11%) Dark energy โ 9 (16%) Dark energy โ 12 (21%) โ 15 (27%) The horizon problem โ 18 (32%) โ 21 (38%) The horizon problem โ 24 (43%) Horizon problem โ 27 (48%) Horizon problem โ 30 (54%) Horizon problem โ 33 (59%) The horizon problem โ 36 (64%) The horizon problem โ 39 (70%) Horizon problem โ 42 (75%) Horizon problem โ 45 (80%) The horizon problem โ 48 (86%) Horizon problem โ 51 (91%) Horizon problem โ 54 (96%) Horizon problem โ 56 (100%) Horizon problem โ
PHYSICS MOSFET-2
โ buzzed CORRECT ยท buzz @ word 12/23 (55% in)
What physical quantity is the rotational analog of mass and is multiplied by ๐ angular acceleration to give the net torque on an object?
gold answer: MOMENT OF INERTIA / ROTATIONAL INERTIA
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (27%) Moment of inertia โ 9 (41%) Moment of inertia โ 12 (55%) Moment of inertia โ 15 (68%) Moment of inertia โ 18 (82%) Moment of inertia โ 21 (95%) Moment of inertia โ 22 (100%) Moment of inertia โ
PHYSICS BTHS-2025
โ buzzed CORRECT ยท buzz @ word 12/23 (55% in)
Which principle in quantum mechanics states that it is impossible to simultaneously know ๐ both the exact position and exact momentum of a particle?
gold answer: Heisenbergโs Uncertainty Principle / Uncertainty Principle
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (27%) uncertainty principle โ 9 (41%) Heisenberg Uncertainty Principle โ 12 (55%) Heisenberg uncertainty principle โ 15 (68%) Heisenberg Uncertainty Principle โ 18 (82%) Heisenberg Uncertainty Principle โ 21 (95%) Heisenberg uncertainty principle โ 22 (100%) Heisenberg uncertainty principle โ
PHYSICS MIT-2024
โ buzzed CORRECT ยท buzz @ word 12/23 (55% in)
In the vicinity of atomic nuclei, high energy photons are able to undergo ๐ what process to produce new leptons and their corresponding antiparticles?
gold answer: Pair Production
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (27%) Pair production โ 9 (41%) Pair production โ 12 (55%) Pair production โ 15 (68%) Pair production โ 18 (82%) Pair production โ 21 (95%) Pair production โ 22 (100%) Pair production โ
BIOLOGY WISC-2021
โ buzzed CORRECT ยท buzz @ word 12/23 (55% in)
What mineral, which is formed when calcium, phosphate, and hydroxyl ions are deposited ๐ on a collagen matrix, forms the hard part of bone?
gold answer: HYDROXYAPATITE
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (27%) Hydroxyapatite โ 9 (41%) Hydroxyapatite โ 12 (55%) Hydroxyapatite โ 15 (68%) Hydroxyapatite โ 18 (82%) Hydroxyapatite โ 21 (95%) Hydroxyapatite โ 22 (100%) Hydroxyapatite โ
EARTH_SPACE GWHS Rounds
โ buzzed CORRECT ยท buzz @ word 6/12 (55% in)
Over 90% of rock forming minerals are ๐ found in which mineral group?
gold answer: SILICATES
heard bot's guess P(correct) 0 (0%) โ 3 (27%) โ 6 (55%) silicates โ 9 (82%) Silicates โ 11 (100%) Silicates โ
PHYSICS MEHS Rounds
โ buzzed CORRECT ยท buzz @ word 6/12 (55% in)
A hydraulic press makes use of what ๐ principle to lift heavy objects?
gold answer: PASCALโS PRINCIPLE Page 5 TOSS-UP
heard bot's guess P(correct) 0 (0%) โ 3 (27%) โ 6 (55%) Pascal's principle โ 9 (82%) Pascal's principle โ 11 (100%) Pascal's principle โ
EARTH_SPACE NSBA2
โ buzzed CORRECT ยท buzz @ word 21/39 (55% in)
As a black hole rotates, it warps spacetime outside the event horizon via frame dragging. What is the name for the region ๐ where this distortion is so strong that all objects are forced to corotate with the black hole?
gold answer: ERGOSPHERE
heard bot's guess P(correct) 0 (0%) โ 3 (8%) โ 6 (16%) โ 9 (24%) ergosphere โ 12 (32%) Frame dragging โ 15 (39%) Ergosphere โ 18 (47%) Ergosphere โ 21 (55%) Ergosphere โ 24 (63%) Ergosphere โ 27 (71%) Ergosphere โ 30 (79%) Ergosphere โ 33 (87%) Ergosphere โ 36 (95%) Ergosphere โ 38 (100%) Ergosphere โ
EARTH_SPACE Random Stuff
โ buzzed CORRECT ยท buzz @ word 15/28 (56% in)
What is the term for the luminosity at which the radiation pressure causing a star to ๐ expand outward is equal to the pressure of gravity pulling itself inward?
gold answer: EDDINGTON LIMIT
heard bot's guess P(correct) 0 (0%) โ 3 (11%) โ 6 (22%) โ 9 (33%) Eddington luminosity โ 12 (44%) Eddington luminosity โ 15 (56%) Eddington luminosity โ 18 (67%) Eddington luminosity โ 21 (78%) Eddington luminosity โ 24 (89%) Eddington luminosity โ 27 (100%) Eddington luminosity โ
BIOLOGY GWHS Rounds
โ buzzed CORRECT ยท buzz @ word 9/17 (56% in)
What is the waxy coating on the epidermal surface of ๐ leaves that helps to prevent water loss?
gold answer: CUTICLE
heard bot's guess P(correct) 0 (0%) โ 3 (19%) cuticle โ 6 (38%) cuticle โ 9 (56%) cuticle โ 12 (75%) cuticle โ 15 (94%) cuticle โ 16 (100%) Cuticle โ
CHEMISTRY MIT-2021
โ buzzed CORRECT ยท buzz @ word 9/17 (56% in)
Azobisisobutyronitrile (AY-zoh-bis-eye-so-bew-TEEro-NY-trile) is a radical initiator which releases what molecule ๐ to generate two tertiary radicals upon heating?
gold answer: Nitrogen
heard bot's guess P(correct) 0 (0%) AIBN โ 3 (19%) radical initiator โ 6 (38%) โ 9 (56%) Nitrogen โ 12 (75%) Nitrogen โ 15 (94%) Nitrogen gas โ 16 (100%) Nitrogen โ
EARTH_SPACE Dasoni Standard1
โ buzzed CORRECT ยท buzz @ word 9/17 (56% in)
In stars, what is the last element produced before nuclear ๐ fusion requires more energy than it produces?
gold answer: IRON
heard bot's guess P(correct) 0 (0%) โ 3 (19%) โ 6 (38%) Iron โ 9 (56%) Iron โ 12 (75%) Iron โ 15 (94%) Iron โ 16 (100%) Iron โ
PHYSICS MHS Rounds
โ buzzed CORRECT ยท buzz @ word 9/17 (56% in)
When a muon decays into an electron, what two other ๐ particles are created to conserve lepton number?
gold answer: ELECTRON ANTINEUTRINO AND MUON NEUTRINO
heard bot's guess P(correct) 0 (0%) โ 3 (19%) โ 6 (38%) โ 9 (56%) Muon neutrino and electron antineutr โ 12 (75%) A muon neutrino and an electron antineu โ 15 (94%) A muon neutrino and an electron antineu โ 16 (100%) A muon neutrino and an electron antineu โ
BIOLOGY SSBT-2023
โ buzzed CORRECT ยท buzz @ word 12/22 (57% in)
Large doses of ultraviolet radiation are a known carcinogen due to the creation ๐ of what irregular structure formed between two adjacent pyrimidines?
gold answer: THYMINE DIMER / CYCLOBUTYL RING FORMATION
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (29%) mutagen โ 9 (43%) thymine dimers โ 12 (57%) thymine dimers โ 15 (71%) Thymine dimers โ 18 (86%) Thymine dimers โ 21 (100%) Thymine dimer โ
EARTH_SPACE Prometheus 2021
โ buzzed CORRECT ยท buzz @ word 12/22 (57% in)
The intensity of sunspot magnetic fields can be determined by the strength of ๐ spectral line splitting that occurs due to what effect?
gold answer: Zeeman effect
heard bot's guess P(correct) 0 (0%) โ 3 (14%) solar cycle โ 6 (29%) โ 9 (43%) Zeeman effect โ 12 (57%) the Zeeman effect โ 15 (71%) Zeeman effect โ 18 (86%) Zeeman effect โ 21 (100%) Zeeman effect โ
EARTH_SPACE WISC-2021
โ buzzed CORRECT ยท buzz @ word 12/22 (57% in)
What type of metamorphism occurs when rocks adjacent to an igneous intrusion are ๐ altered by the extreme heat of the magma? [JI]
gold answer: CONTACT METAMORPHISM
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (29%) โ 9 (43%) contact metamorphism โ 12 (57%) Contact metamorphism โ 15 (71%) contact metamorphism โ 18 (86%) contact metamorphism โ 21 (100%) contact metamorphism โ
EARTH_SPACE MOSFET-2
โ buzzed CORRECT ยท buzz @ word 15/27 (58% in)
What class of stars, denoted by spectral class M, are the most common stars in the ๐ Milky Way and comprise the smallest stars on the main sequence?
gold answer: RED DWARFS
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (23%) โ 9 (35%) Red dwarfs โ 12 (46%) Red dwarfs โ 15 (58%) Red dwarfs โ 18 (69%) Red dwarfs โ 21 (81%) Red dwarfs โ 24 (92%) Red dwarfs โ 26 (100%) Red dwarfs โ
CHEMISTRY ICSBT-2025
โ buzzed CORRECT ยท buzz @ word 15/27 (58% in)
What effect, in which spatially close hydrogens affect each othersโ integrated peak intensities, is used in ๐ proton NMR to determine stereochemical and conformational relationships between hydrogen atoms?
gold answer: Nuclear Overhauser Effect
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (23%) NOE โ 9 (35%) Nuclear Overhauser Effect โ 12 (46%) Nuclear Overhauser Effect โ 15 (58%) Nuclear Overhauser Effect โ 18 (69%) Nuclear Overhauser Effect โ 21 (81%) Nuclear Overhauser Effect โ 24 (92%) Nuclear Overhauser Effect โ 26 (100%) Nuclear Overhauser Effect โ
BIOLOGY mosfet1
โ buzzed CORRECT ยท buzz @ word 24/42 (59% in)
What is the name given to the bonds that form which form between phosphate groups and hydroxyl groups that connect different nucleotides in a DNA ๐ strand? Commented [12]: _Re-opened_ Commented [13]: westmin and reyna Commented [14]: _Marked as resolved_ Commented [15]: _Re-opened_
gold answer: PHOSPHODIESTER BONDS
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (15%) โ 9 (22%) โ 12 (29%) โ 15 (37%) Phosphodiester bonds โ 18 (44%) Phosphodiester bonds โ 21 (51%) Phosphodiester bonds โ 24 (59%) Phosphodiester bonds โ 27 (66%) Phosphodiester bonds โ 30 (73%) Phosphodiester bonds โ 33 (80%) Phosphodiester bonds โ 36 (88%) Phosphodiester bonds โ 39 (95%) Phosphodiester bonds โ 41 (100%) Phosphodiester bonds โ
EARTH_SPACE MIT-2020
โ buzzed CORRECT ยท buzz @ word 24/42 (59% in)
Radio observations of the Crab Nebula show that the gas in the nebula is emitting radiation, thought to be caused by high speed electrons spiralling ๐ through the magnetic field produced by the central neutron star. What is the term for this radiation?
gold answer: Sychrotron radiation
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (15%) โ 9 (22%) โ 12 (29%) โ 15 (37%) synchrotron radiation โ 18 (44%) Synchrotron radiation โ 21 (51%) Synchrotron radiation โ 24 (59%) Synchrotron radiation โ 27 (66%) Synchrotron radiation โ 30 (73%) the Crab Pulsar โ 33 (80%) Synchrotron radiation โ 36 (88%) Synchrotron radiation โ 39 (95%) Synchrotron radiation โ 41 (100%) Synchrotron radiation โ
BIOLOGY MEHS Rounds
โ buzzed CORRECT ยท buzz @ word 6/11 (60% in)
What cellular organelle contains chromatin, which condenses ๐ into chromosomes during prophase?
gold answer: NUCLEUS
heard bot's guess P(correct) 0 (0%) โ 3 (30%) โ 6 (60%) Nucleus โ 9 (90%) Nucleus โ 10 (100%) Nucleus โ
BIOLOGY Prometheus 2023
โ buzzed CORRECT ยท buzz @ word 9/16 (60% in)
Temperate phages are able to use the lytic [LIT-ic] cycle ๐ and what other viral reproductive cycle?
gold answer: Lysogenic
heard bot's guess P(correct) 0 (0%) โ 3 (20%) lysogeny โ 6 (40%) lysogenic cycle โ 9 (60%) lysogenic cycle โ 12 (80%) Lysogenic cycle โ 15 (100%) Lysogenic cycle โ
CHEMISTRY SCB-2025
โ buzzed CORRECT ยท buzz @ word 24/41 (60% in)
In a certain type of electrochemical cell, changing the identity of the electrodes does not affect the voltage across the cell. What is the name ๐ for this cell, in which the electrodes are made using the same material with uneven concentrations?
gold answer: Concentration cell
heard bot's guess P(correct) 0 (0%) โ 3 (8%) โ 6 (15%) โ 9 (22%) โ 12 (30%) โ 15 (38%) concentration cell โ 18 (45%) concentration cell โ 21 (52%) concentration cell โ 24 (60%) concentration cell โ 27 (68%) concentration cell โ 30 (75%) concentration cell โ 33 (82%) concentration cell โ 36 (90%) Concentration cell โ 39 (98%) Concentration cell โ 40 (100%) Concentration cell โ
OTHER IGNIS 2022
โ buzzed CORRECT ยท buzz @ word 15/26 (60% in)
In game theory, what is the term for a situation in which no participant in the ๐ game can benefit by changing their strategy on their own?
gold answer: Nash equilibrium
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (24%) โ 9 (36%) Nash equilibrium โ 12 (48%) Nash equilibrium โ 15 (60%) Nash equilibrium โ 18 (72%) Nash equilibrium โ 21 (84%) Nash equilibrium โ 24 (96%) Nash equilibrium โ 25 (100%) Nash equilibrium โ
BIOLOGY Cast
โ buzzed CORRECT ยท buzz @ word 6/11 (60% in)
What are the two kinds of deaths ๐ that cells can undergo?
gold answer: APOPTOSIS AND NECROSIS
heard bot's guess P(correct) 0 (0%) โ 3 (30%) โ 6 (60%) Apoptosis and necrosis โ 9 (90%) Apoptosis and necrosis โ 10 (100%) Apoptosis and necrosis โ
EARTH_SPACE NSI_2024
โ buzzed CORRECT ยท buzz @ word 15/26 (60% in)
An exoplanet is discovered orbiting a star by small changes in redshift exhibited by the star. ๐ What method of exoplanet detection was used in this case?
gold answer: Doppler Spectroscopy / Radial Velocity method
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (24%) โ 9 (36%) โ 12 (48%) Radial velocity method โ 15 (60%) Radial velocity method โ 18 (72%) Radial velocity method โ 21 (84%) Radial velocity method โ 24 (96%) Radial velocity method โ 25 (100%) Radial velocity method โ
PHYSICS BTHS-2025
โ buzzed CORRECT ยท buzz @ word 15/26 (60% in)
Which late 1880s physicist was the first to experimentally generate and detect radio waves, providing direct ๐ proof of the existence of electromagnetic waves postulated by Maxwell?
gold answer: Heinrich Hertz
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (24%) โ 9 (36%) Heinrich Hertz โ 12 (48%) Heinrich Hertz โ 15 (60%) Heinrich Hertz โ 18 (72%) Heinrich Hertz โ 21 (84%) Heinrich Hertz โ 24 (96%) Heinrich Hertz โ 25 (100%) Heinrich Hertz โ
EARTH_SPACE NNHS Rounds
โ buzzed CORRECT ยท buzz @ word 9/16 (60% in)
What class of minerals typically effervesces when a drop of ๐ hydrochloric acid reacts with its surface?
gold answer: CARBONATES
heard bot's guess P(correct) 0 (0%) โ 3 (20%) โ 6 (40%) Carbonates โ 9 (60%) Carbonates โ 12 (80%) Carbonates โ 15 (100%) Carbonates โ
PHYSICS SBL
โ buzzed CORRECT ยท buzz @ word 18/30 (62% in)
Suppose a charged particle moves with an initial velocity neither parallel nor perpendicular to a uniform magnetic field. What ๐ type of curve will be traced out by its resultant motion?
gold answer: HELICAL
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (21%) โ 9 (31%) โ 12 (41%) Helix โ 15 (52%) helix โ 18 (62%) helix โ 21 (72%) Helix โ 24 (83%) Helix โ 27 (93%) Helix โ 29 (100%) Helix โ
PHYSICS FE!M-2025
โ buzzed CORRECT ยท buzz @ word 18/30 (62% in)
The star-delta transform is a special case of the star-mesh transformation for large networks of resistors. How many terminals ๐ must a circuit have for the star-delta transform to be applicable?
gold answer: 3
heard bot's guess P(correct) 0 (0%) โ 3 (10%) Wye-delta transform โ 6 (21%) Y-delta transform โ 9 (31%) transform โ 12 (41%) networks โ 15 (52%) โ 18 (62%) 3 โ 21 (72%) 3 โ 24 (83%) 3 โ 27 (93%) 3 โ 29 (100%) 3 โ
EARTH_SPACE GWHS Rounds
โ buzzed CORRECT ยท buzz @ word 15/25 (62% in)
What is the name for the effect that occurs when light of different wavelengths focuses at ๐ different places, creating an issue specific to refractive telescopes?
gold answer: CHROMATIC ABERRATION
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (25%) โ 9 (38%) โ 12 (50%) dispersion โ 15 (62%) Chromatic aberration โ 18 (75%) Chromatic aberration โ 21 (88%) Chromatic aberration โ 24 (100%) Chromatic aberration โ
EARTH_SPACE CSBL
โ buzzed CORRECT ยท buzz @ word 12/20 (63% in)
What hypothesis states that small changes in Earthโs orbit, precession, and inclination affect ๐ its climate and can cause ice ages?
gold answer: MILANKOVITCH HYPOTHESIS
heard bot's guess P(correct) 0 (0%) โ 3 (16%) โ 6 (32%) โ 9 (47%) Milankovitch hypothesis โ 12 (63%) Milankovitch hypothesis โ 15 (79%) Milankovitch hypothesis โ 18 (95%) Milankovitch hypothesis โ 19 (100%) Milankovitch hypothesis โ
EARTH_SPACE THUMB-2025
โ buzzed CORRECT ยท buzz @ word 9/15 (64% in)
The collision of Theia and the Earth is theorized to ๐ have created what astronomical body?
gold answer: The Moon / Earthโs Moon or equivalent
heard bot's guess P(correct) 0 (0%) โ 3 (21%) The Moon โ 6 (43%) Moon โ 9 (64%) the Moon โ 12 (86%) The Moon โ 14 (100%) The Moon โ
EARTH_SPACE MIT-2021
โ buzzed CORRECT ยท buzz @ word 9/15 (64% in)
In Earthโs atmosphere, what force is balanced by the gravitational ๐ force to maintain hydrostatic equilibrium?
gold answer: Pressure-gradient force
heard bot's guess P(correct) 0 (0%) โ 3 (21%) โ 6 (43%) gravity โ 9 (64%) Pressure gradient force โ 12 (86%) pressure gradient force โ 14 (100%) Pressure gradient force โ
PHYSICS SCB-2025
โ buzzed CORRECT ยท buzz @ word 9/15 (64% in)
What law states that the entropy of a perfect crystal ๐ at absolute 0 is 0?
gold answer: Third Law of Thermodynamics
heard bot's guess P(correct) 0 (0%) โ 3 (21%) โ 6 (43%) Third Law of Thermodynamics โ 9 (64%) Third Law of Thermodynamics โ 12 (86%) Third Law of Thermodynamics โ 14 (100%) Third Law of Thermodynamics โ
PHYSICS NWI-2025
โ buzzed CORRECT ยท buzz @ word 30/47 (65% in)
A 1-kilogram object is moving in a vertical circle of radius 2 meters at a constant speed of 6 meters per second. What is the tension in the string at the ๐ bottom of the circle? Assume the acceleration due to gravity is 10 meters per second squared.
gold answer: 28 N
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (13%) โ 9 (20%) โ 12 (26%) โ 15 (33%) โ 18 (39%) ๐งฎ 28 โ 21 (46%) ๐งฎ 8 โ 24 (52%) ๐งฎ 28 โ 27 (59%) ๐งฎ 28 โ 30 (65%) ๐งฎ 28 โ 33 (72%) ๐งฎ 28 โ 36 (78%) ๐งฎ 28 โ 39 (85%) ๐งฎ 28 โ 42 (91%) ๐งฎ 28 โ 45 (98%) ๐งฎ 28 โ 46 (100%) ๐งฎ 28 โ
EARTH_SPACE MOSFET-2
โ buzzed CORRECT ยท buzz @ word 15/24 (65% in)
Though they form in different environments, travertine, chalk, and coquina are all composed of what chemical ๐ compound, most commonly found as the mineral calcite?
gold answer: CALCIUM CARBONATE / CaCO3
heard bot's guess P(correct) 0 (0%) โ 3 (13%) โ 6 (26%) โ 9 (39%) limestone โ 12 (52%) calcium carbonate โ 15 (65%) calcium carbonate โ 18 (78%) Calcium carbonate โ 21 (91%) Calcium carbonate โ 23 (100%) Calcium carbonate โ
EARTH_SPACE Walton Rounds
โ buzzed CORRECT ยท buzz @ word 18/28 (67% in)
Three tectonic plates meet at a triple junction. One stops spreading and a filled-graben system occurs. What is the ๐ name of this failed arm of a triple junction?
gold answer: AULACOGEN
heard bot's guess P(correct) 0 (0%) โ 3 (11%) โ 6 (22%) โ 9 (33%) โ 12 (44%) โ 15 (56%) aulacogen โ 18 (67%) Aulacogen โ 21 (78%) Aulacogen โ 24 (89%) Aulacogen โ 27 (100%) Aulacogen โ
OTHER Deadbird Invitational
โ buzzed CORRECT ยท buzz @ word 18/27 (69% in)
Mast cells are immune cells found in connective tissue. They are responsible for releasing what molecule that triggers the ๐ dilation of blood vessels at sites of damage?
gold answer: HISTAMINE
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (23%) โ 9 (35%) โ 12 (46%) โ 15 (58%) histamine โ 18 (69%) histamine โ 21 (81%) histamine โ 24 (92%) histamine โ 26 (100%) histamine โ
BIOLOGY Dasoni Standard1
โ buzzed CORRECT ยท buzz @ word 9/14 (69% in)
What is the net FADH2 yield per molecule of glucose ๐ in the Krebs cycle?
gold answer: 2
heard bot's guess P(correct) 0 (0%) โ 3 (23%) โ 6 (46%) ๐งฎ 2 โ 9 (69%) ๐งฎ 2 โ 12 (92%) ๐งฎ 2 โ 13 (100%) ๐งฎ 2 โ
ENERGY MIT-2020
โ buzzed CORRECT ยท buzz @ word 27/40 (69% in)
Researchers in the Gore group at MIT are studying theoretical ecology, using mathematical tools to model populations. Some populations exhibit a minimal critical population size, under which they ๐ will not survive. This is an example of what type of effect?
gold answer: Allee effect / strong Allee effect
heard bot's guess P(correct) 0 (0%) โ 3 (8%) โ 6 (15%) โ 9 (23%) โ 12 (31%) โ 15 (38%) โ 18 (46%) โ 21 (54%) Allee effect โ 24 (62%) Allee effect โ 27 (69%) Allee effect โ 30 (77%) Allee effect โ 33 (85%) Allee effect โ 36 (92%) Allee effect โ 39 (100%) Allee effect โ
MATH SSBT-2023
โ buzzed CORRECT ยท buzz @ word 21/31 (70% in)
An equilateral triangle with side length 4 has the same area as a trapezoid with height 8. What is the sum of ๐ the lengths of the two bases of the trapezoid?
gold answer: โ3
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (20%) ๐งฎ 6.928 โ 9 (30%) ๐งฎ 9 โ 12 (40%) ๐งฎ 2.632 โ 15 (50%) ๐งฎ 1.732 โ 18 (60%) ๐งฎ 1.732 โ 21 (70%) ๐งฎ 1.732 โ 24 (80%) ๐งฎ 1.732 โ 27 (90%) ๐งฎ 1.732 โ 30 (100%) ๐งฎ 1.732 โ
PHYSICS SBST (Spring)
โ buzzed CORRECT ยท buzz @ word 21/31 (70% in)
What is the name of the effect responsible for an increase in the effective resistance of wires at high frequencies as current ๐ density is concentrated at the surface of the conductor?
gold answer: SKIN EFFECT
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (20%) โ 9 (30%) โ 12 (40%) โ 15 (50%) Skin effect โ 18 (60%) Skin effect โ 21 (70%) Skin effect โ 24 (80%) Skin effect โ 27 (90%) Skin effect โ 30 (100%) Skin effect โ
PHYSICS MIT-2025
โ buzzed CORRECT ยท buzz @ word 21/31 (70% in)
A 2 kilogram ball collides and sticks with a 4 kilogram ball at rest. What fraction of the kinetic energy of the ๐ system of two balls is lost during the collision?
gold answer: 2/3
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (20%) โ 9 (30%) โ 12 (40%) โ 15 (50%) ๐งฎ 2/3 โ 18 (60%) ๐งฎ 2/3 โ 21 (70%) ๐งฎ 2/3 โ 24 (80%) ๐งฎ 2/3 โ 27 (90%) ๐งฎ 2/3 โ 30 (100%) ๐งฎ 2/3 โ
EARTH_SPACE SBST
โ buzzed CORRECT ยท buzz @ word 12/18 (71% in)
What is the name of the circular-shaped bulges on Venus caused by upwellings ๐ of magma below the surface?
gold answer: CORONAE
heard bot's guess P(correct) 0 (0%) โ 3 (18%) โ 6 (35%) โ 9 (53%) coronae โ 12 (71%) Coronae โ 15 (88%) coronae โ 17 (100%) coronae โ
PHYSICS NSBA2
โ buzzed CORRECT ยท buzz @ word 24/35 (71% in)
As a corollary of Snellโs law, light traveling between two media traces a path that minimizes its time of travel. What is the term for ๐ this principle that applies more generally to any inhomogenous medium?
gold answer: FERMATโS PRINCIPLE / PRINCIPLE OF LEAST TIME
heard bot's guess P(correct) 0 (0%) โ 3 (9%) โ 6 (18%) โ 9 (26%) Total internal reflection โ 12 (35%) path of least time โ 15 (44%) travel time โ 18 (53%) Travel โ 21 (62%) Fermat's principle โ 24 (71%) Fermat's principle โ 27 (79%) Fermat's principle โ 30 (88%) Fermat's principle โ 33 (97%) Fermat's principle โ 34 (100%) Fermat's principle โ
OTHER Prometheus 2021
โ buzzed CORRECT ยท buzz @ word 12/18 (71% in)
Which type of machine learning involves taking in pairs of inputs and outputs ๐ to model an input-output function?
gold answer: Supervised learning
heard bot's guess P(correct) 0 (0%) โ 3 (18%) โ 6 (35%) โ 9 (53%) Supervised learning โ 12 (71%) Supervised learning โ 15 (88%) Supervised learning โ 17 (100%) Supervised learning โ
PHYSICS NSI_2024
โ buzzed CORRECT ยท buzz @ word 42/60 (71% in)
There are two trains moving toward each other. The train moving to the west has velocity 200 m/s and mass 60 kg. The one moving east has velocity 240 m/s and mass 100 kg. After colliding with one another, they stick together. In ๐ meters per second, what is the velocity and direction at which the trains move after the collision?
gold answer: 75 m/s east
heard bot's guess P(correct) 0 (0%) โ 3 (5%) โ 6 (10%) โ 9 (15%) โ 12 (20%) โ 15 (25%) โ 18 (31%) โ 21 (36%) โ 24 (41%) โ 27 (46%) โ 30 (51%) โ 33 (56%) ๐งฎ 75 โ 36 (61%) ๐งฎ 75 โ 39 (66%) ๐งฎ 75 โ 42 (71%) ๐งฎ 75 โ 45 (76%) ๐งฎ 75 โ 48 (81%) ๐งฎ 75 โ 51 (86%) ๐งฎ 75 โ 54 (92%) ๐งฎ 75 โ 57 (97%) ๐งฎ 75 โ 59 (100%) ๐งฎ 75 โ
EARTH_SPACE DAST1
โ buzzed CORRECT ยท buzz @ word 33/47 (72% in)
Jupiterโs magnetic field is partially due to its liquid metallic hydrogen core. However, its moon, Io [I-O], more than doubles Jupiterโs magnetic field strength by emitting large amounts of sulfur dioxide, which gets swept ๐ up in Jupiterโs magnetic sphere to form what object that surrounds the planet?
gold answer: IO PLASMA TORUS / IO TORUS OR PLASMA TORUS OR TORUS
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (13%) metallic hydrogen โ 9 (20%) hydrogen โ 12 (26%) โ 15 (33%) โ 18 (39%) โ 21 (46%) Magnetosphere โ 24 (52%) โ 27 (59%) Sulfur dioxide โ 30 (65%) plasma torus โ 33 (72%) Io plasma torus โ 36 (78%) magnetosphere โ 39 (85%) plasma torus โ 42 (91%) Io plasma torus โ 45 (98%) Io plasma torus โ 46 (100%) Plasma torus โ
EARTH_SPACE MIT-2020
โ buzzed CORRECT ยท buzz @ word 36/51 (72% in)
By name or number, identify all of the following three statements that are TRUE of type 1a supernovae: 1) They are typically more luminous than type II supernovae 2) Their luminosity peaks are primarily due to the ๐ decay of nickel-56 3) They are typically seen near regions of active star formation
gold answer: 1 and 2
heard bot's guess P(correct) 0 (0%) โ 3 (6%) โ 6 (12%) โ 9 (18%) โ 12 (24%) โ 15 (30%) โ 18 (36%) โ 21 (42%) โ 24 (48%) โ 27 (54%) 1 and 2 โ 30 (60%) 1 and 2 โ 33 (66%) 1 and 2 โ 36 (72%) 1 and 2 โ 39 (78%) 1 and 2 โ 42 (84%) 1 and 2 โ 45 (90%) 1 and 2 โ 48 (96%) 1 and 2 โ 50 (100%) 1 and 2 โ
ENERGY MIT-2024
โ buzzed CORRECT ยท buzz @ word 24/34 (73% in)
Scientists at MIT and Caltechโs LIGO collaboration used new lasers and mirrors to vastly improve their gravitational wave measurements. These instruments are part of what ๐ general technique used by LIGO to measure gravitational waves?
gold answer: Interferometry
heard bot's guess P(correct) 0 (0%) โ 3 (9%) โ 6 (18%) Gravitational waves โ 9 (27%) โ 12 (36%) โ 15 (45%) gravitational wave detector โ 18 (55%) โ 21 (64%) interferometers โ 24 (73%) interferometer โ 27 (82%) Interferometry โ 30 (91%) Interferometry โ 33 (100%) Laser interferometry โ
ENERGY Moose
โ buzzed CORRECT ยท buzz @ word 24/34 (73% in)
Researchers at the Department of Energyโs DIII-D National Fusion Facility have discovered new properties of plasmas by studying what magnetic field oscillations propagated throughout plasmas ๐ that give rise to phenomena such as the auroras?
gold answer: ALFVรN WAVES
heard bot's guess P(correct) 0 (0%) โ 3 (9%) โ 6 (18%) โ 9 (27%) โ 12 (36%) โ 15 (45%) โ 18 (55%) โ 21 (64%) Alfvรฉn waves โ 24 (73%) Alfvรฉn waves โ 27 (82%) Alfvรฉn waves โ 30 (91%) Alfvรฉn waves โ 33 (100%) Alfvรฉn waves โ
ENERGY random
โ buzzed CORRECT ยท buzz @ word 30/42 (73% in)
Pacific Northwest National Laboratory scientists are studying secondary organic aerosols, which are distinguished from primary organic aerosols in that they only enter the solid phase once they undergo chemical reactions in ๐ the atmosphere. Prior to this, in what phase are those molecules?
gold answer: GAS
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (15%) โ 9 (22%) โ 12 (29%) โ 15 (37%) โ 18 (44%) they are formed in the atmosphere โ 21 (51%) the atmosphere as gases โ 24 (59%) โ 27 (66%) chemical reactions โ 30 (73%) the atmosphere โ 33 (80%) โ 36 (88%) โ 39 (95%) Gas phase โ 41 (100%) Gas โ
PHYSICS texas_sci_bowl_2025
โ buzzed CORRECT ยท buzz @ word 27/37 (75% in)
Sound waves may be modelled as the compression and expansion of air molecules. For frequencies in the human hearing range, what characteristic best describes these processes in sound ๐ waves? W) Isobaric X) Isochoric Y) Isothermal Z) Adiabatic
gold answer: Z) Adiabatic
heard bot's guess P(correct) 0 (0%) โ 3 (8%) โ 6 (17%) โ 9 (25%) longitudinal waves โ 12 (33%) โ 15 (42%) โ 18 (50%) โ 21 (58%) โ 24 (67%) adiabatic โ 27 (75%) Adiabatic โ 30 (83%) Adiabatic โ 33 (92%) Adiabatic โ 36 (100%) Adiabatic โ
ENERGY MIT-2025
โ buzzed CORRECT ยท buzz @ word 18/25 (75% in)
The Broderick Group is studying parametric distributions, such as the normal distribution. How many parameters are required to completely ๐ specify a 1 dimensional normal distribution?
gold answer: 2
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (25%) โ 9 (38%) โ 12 (50%) โ 15 (62%) 2 โ 18 (75%) 2 โ 21 (88%) 2 โ 24 (100%) 2 โ
EARTH_SPACE WSBT
โ buzzed CORRECT ยท buzz @ word 15/21 (75% in)
Identify all of the following three types of wind that are downslope winds: 1) Valley breeze; ๐ 2) katabatic wind; 3) chinook.
gold answer: 2 AND 3 Tony VISUAL
heard bot's guess P(correct) 0 (0%) โ 3 (15%) โ 6 (30%) โ 9 (45%) โ 12 (60%) โ 15 (75%) 2 and 3 โ 18 (90%) 2 and 3 โ 20 (100%) 2 and 3 โ
BIOLOGY CCWTWO
โ buzzed CORRECT ยท buzz @ word 6/9 (75% in)
What vitamin is a part of acetyl ๐ coenzyme A?
gold answer: VITAMIN B5 / PANTOTHENIC ACID
heard bot's guess P(correct) 0 (0%) โ 3 (38%) โ 6 (75%) Vitamin B5 โ 8 (100%) Vitamin B5 โ
CHEMISTRY CSBL
โ buzzed CORRECT ยท buzz @ word 12/17 (75% in)
Compounds that have L and D isomers exhibit what type of isomerism, characterized ๐ by non-superimposable mirror images?
gold answer: ENANTIOMERISM / OPTICAL ISOMERISM; CHIRALITY
heard bot's guess P(correct) 0 (0%) โ 3 (19%) โ 6 (38%) Chiral compounds โ 9 (56%) Chirality โ 12 (75%) Optical isomerism โ 15 (94%) Enantiomerism โ 16 (100%) Enantiomerism โ
EARTH_SPACE NWI-2025
โ buzzed CORRECT ยท buzz @ word 21/29 (75% in)
The cosmological principle suggests that the universe fits which of the following descriptions? W) Isotropic and homogeneous X) Isotropic and heterogeneous Y) ๐ Anisotropic and homogeneous Z) Anisotropic and heterogeneous
gold answer: W) Isotropic and homogeneous
heard bot's guess P(correct) 0 (0%) โ 3 (11%) โ 6 (21%) โ 9 (32%) homogeneous and isotropic โ 12 (43%) Homogeneous and isotropic โ 15 (54%) Homogeneous โ 18 (64%) W) Isotropic and homogeneous โ 21 (75%) W) Isotropic and homogeneous โ 24 (86%) W โ 27 (96%) W โ 28 (100%) W โ
CHEMISTRY SMH-2025
โ buzzed CORRECT ยท buzz @ word 15/21 (75% in)
Dry ice and table sugar are examples of what type of solid, composed of individual molecules ๐ held together by intermolecular interactions?
gold answer: molecular
heard bot's guess P(correct) 0 (0%) โ 3 (15%) โ 6 (30%) molecular solids โ 9 (45%) Molecular solids โ 12 (60%) Molecular solid โ 15 (75%) Molecular solid โ 18 (90%) Molecular solid โ 20 (100%) Molecular solid โ
CHEMISTRY Dasoni Standard1
โ buzzed CORRECT ยท buzz @ word 6/9 (75% in)
What reaction order has a half-life independent ๐ of concentration?
gold answer: FIRST / ONE
heard bot's guess P(correct) 0 (0%) โ 3 (38%) โ 6 (75%) First order โ 8 (100%) First order โ
MATH SMH-2025
โ buzzed CORRECT ยท buzz @ word 36/48 (77% in)
The piecewise function f is defined such that f(x) = 3x for x less than k and f(x) = 6x - 18 for x greater than or equal to k, where k is a fixed constant. If ๐ the function is continuous everywhere, what is the value of k?
gold answer: 6
heard bot's guess P(correct) 0 (0%) โ 3 (6%) โ 6 (13%) โ 9 (19%) โ 12 (26%) โ 15 (32%) โ 18 (38%) โ 21 (45%) ๐งฎ 6 โ 24 (51%) ๐งฎ 6 โ 27 (57%) ๐งฎ 6 โ 30 (64%) ๐งฎ 6 โ 33 (70%) ๐งฎ 6 โ 36 (77%) ๐งฎ 6 โ 39 (83%) ๐งฎ 6 โ 42 (89%) ๐งฎ 6 โ 45 (96%) ๐งฎ 6 โ 47 (100%) ๐งฎ 6 โ
EARTH_SPACE MIT-2023
โ buzzed CORRECT ยท buzz @ word 33/44 (77% in)
Identify all of the following four statements are not true of the moons of Mars: 1) Phobos lies in a stable orbit 2) Deimos is the largest martian moon 3) Phobos and Deimos are ๐ in equatorial orbits 4) Deimosโs composition resembles the asteroid Ceres
gold answer: 1 and 2
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (14%) โ 9 (21%) โ 12 (28%) โ 15 (35%) โ 18 (42%) โ 21 (49%) โ 24 (56%) 1 and 3 โ 27 (63%) 1 and 2 โ 30 (70%) 1 and 2 โ 33 (77%) 1 and 2 โ 36 (84%) 1 and 2 โ 39 (91%) 1 and 2 โ 42 (98%) 1 and 2 โ 43 (100%) Let me analyze each statement: โ
PHYSICS THUMB-2025
โ buzzed CORRECT ยท buzz @ word 30/40 (77% in)
Alexander pushes a 10-kilogram box across a floor with a constant force of 20 Newtons. If the box moves at a constant velocity of 5 meters per second, then in watts, ๐ what is the power being delivered by the person?
gold answer: 100
heard bot's guess P(correct) 0 (0%) โ 3 (8%) โ 6 (15%) โ 9 (23%) โ 12 (31%) โ 15 (38%) โ 18 (46%) โ 21 (54%) ๐งฎ 1/5 โ 24 (62%) ๐งฎ 100 โ 27 (69%) ๐งฎ 100 โ 30 (77%) ๐งฎ 100 โ 33 (85%) ๐งฎ 100 โ 36 (92%) ๐งฎ 100 โ 39 (100%) ๐งฎ 100 โ
PHYSICS SBST (Spring)
โ buzzed CORRECT ยท buzz @ word 30/40 (77% in)
The Lennard-Jones potential contains terms of r, the distance between particles, to the negative 6th and 12th powers. Which of the following forces explains the rโ12 term? W) Pauli repulsion X) ๐ Coulomb forces Y) London dispersion forces Z) Dipole-dipole forces
gold answer: W) PAULI REPULSION
heard bot's guess P(correct) 0 (0%) โ 3 (8%) โ 6 (15%) โ 9 (23%) โ 12 (31%) The Lennard-Jones potential is V(r) โ 15 (38%) negative 12th power โ 18 (46%) โ 21 (54%) โ 24 (62%) Van der Waals force โ 27 (69%) Pauli exclusion โ 30 (77%) Pauli repulsion โ 33 (85%) W) Pauli repulsion โ 36 (92%) W) Pauli repulsion โ 39 (100%) W) Pauli repulsion โ
PHYSICS Cast
โ buzzed CORRECT ยท buzz @ word 27/36 (77% in)
While on Earth's surface, Bob exerts a force of 500 Newtons on the Earth. If the Earth is exactly 1023 times more massive than Bob, how much force ๐ does the Earth exert on Bob, in newtons?
gold answer: 500
heard bot's guess P(correct) 0 (0%) โ 3 (9%) โ 6 (17%) โ 9 (26%) ๐งฎ 250/3 โ 12 (34%) ๐งฎ 250/3 โ 15 (43%) ๐งฎ 125 โ 18 (51%) 500 Newtons โ 21 (60%) ๐งฎ 1/10000000000000000000000 โ 24 (69%) 500 Newtons โ 27 (77%) ๐งฎ 500 โ 30 (86%) ๐งฎ 500 โ 33 (94%) ๐งฎ 500 โ 35 (100%) ๐งฎ 500 โ
PHYSICS SCB-2025
โ buzzed CORRECT ยท buzz @ word 21/28 (78% in)
A Carnot heat engine operates between a hot reservoir at 400 kelvins and a cold reservoir at 280 kelvins. What is the ๐ maximum possible efficiency of this engine?
gold answer: 0.3
heard bot's guess P(correct) 0 (0%) โ 3 (11%) โ 6 (22%) โ 9 (33%) โ 12 (44%) โ 15 (56%) โ 18 (67%) ๐งฎ 3/10 โ 21 (78%) ๐งฎ 3/10 โ 24 (89%) ๐งฎ 3/10 โ 27 (100%) ๐งฎ 3/10 โ
BIOLOGY MIT-2025
โ buzzed CORRECT ยท buzz @ word 21/28 (78% in)
Brown adipose tissue is responsible for nonshivering thermogenesis. What protein in brown adipose tissue, which serves as a proton leak channel, is ๐ responsible for this generation of heat?
gold answer: THERMOGENIN / UCP1
heard bot's guess P(correct) 0 (0%) โ 3 (11%) โ 6 (22%) thermogenesis โ 9 (33%) Uncoupling protein 1 โ 12 (44%) Uncoupling protein 1 โ 15 (56%) Thermogenin โ 18 (67%) Uncoupling protein 1 โ 21 (78%) Uncoupling protein 1 โ 24 (89%) Thermogenin โ 27 (100%) Thermogenin โ
CHEMISTRY BASED-2025
โ buzzed CORRECT ยท buzz @ word 36/47 (78% in)
Max is a real gas. Unfortunately, the Ideal Gas Law does not do a very good job at approximating Max's pressure under certain conditions. What equation, which accounts for the volume of the gas particles and intermolecular ๐ forces, calculates a more accurate approximation for Maxโs exerted pressure?
gold answer: VAN DER WAALS EQUATION
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (13%) โ 9 (20%) Van der Waals equation โ 12 (26%) Van der Waals equation โ 15 (33%) Van der Waals equation โ 18 (39%) Van der Waals equation โ 21 (46%) โ 24 (52%) โ 27 (59%) Van der Waals equation โ 30 (65%) Van der Waals equation โ 33 (72%) Van der Waals equation โ 36 (78%) Van der Waals equation โ 39 (85%) Van der Waals equation โ 42 (91%) Van der Waals equation โ 45 (98%) Van der Waals equation โ 46 (100%) Van der Waals equation โ
BIOLOGY SSBT-2023
โ buzzed CORRECT ยท buzz @ word 18/24 (78% in)
What is the name of the class of enzymes which catalyze the transfer of an amino acid to the ๐ acceptor arm of a tRNA?
gold answer: AMINOACYL TRNA SYNTHETASE
heard bot's guess P(correct) 0 (0%) โ 3 (13%) โ 6 (26%) โ 9 (39%) โ 12 (52%) Transferases โ 15 (65%) Aminotransferases โ 18 (78%) Aminoacyl-tRNA synthetases โ 21 (91%) Aminoacyl-tRNA synthetases โ 23 (100%) Aminoacyl-tRNA synthetases โ
CHEMISTRY BASIS Peoria Rounds
โ buzzed CORRECT ยท buzz @ word 15/20 (79% in)
If 12 moles of Na react with 7 moles of chlorine gas, how many moles of ๐ NaCl will be produced?
gold answer: 12 moles NaCl
heard bot's guess P(correct) 0 (0%) โ 3 (16%) โ 6 (32%) ๐งฎ 6 โ 9 (47%) ๐งฎ 6 โ 12 (63%) ๐งฎ 12 โ 15 (79%) ๐งฎ 12 โ 18 (95%) ๐งฎ 12 โ 19 (100%) ๐งฎ 12 โ
BIOLOGY MIT-2022
โ buzzed CORRECT ยท buzz @ word 15/20 (79% in)
What term describes the seeming impossibility of proteins randomly folding in seconds due to an astronomical ๐ number of possible conformations?
gold answer: Levinthalโs paradox
heard bot's guess P(correct) 0 (0%) โ 3 (16%) โ 6 (32%) โ 9 (47%) Levinthal's paradox โ 12 (63%) Levinthal's paradox โ 15 (79%) Levinthal's paradox โ 18 (95%) Levinthal's paradox โ 19 (100%) Levinthal's paradox โ
EARTH_SPACE Stanford_2025
โ buzzed CORRECT ยท buzz @ word 15/20 (79% in)
Identify all of the following three planets that contain metallic hydrogen in their interior: 1) Jupiter; ๐ 2) Saturn; 3) Uranus.
gold answer: 1 and 2
heard bot's guess P(correct) 0 (0%) โ 3 (16%) โ 6 (32%) โ 9 (47%) โ 12 (63%) Jupiter and Saturn โ 15 (79%) 1 and 2 โ 18 (95%) 1 and 2 โ 19 (100%) 1 and 2 โ
ENERGY SSBT-2023
โ buzzed CORRECT ยท buzz @ word 24/31 (80% in)
Researchers at Brookhaven National Lab recently discovered a vine with high levels of petroselinic acid, a useful monounsaturated fatty acid with formula C18H34O2. How many ๐ double bonds does petroselinic acid contain?
gold answer: 2
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (20%) โ 9 (30%) โ 12 (40%) โ 15 (50%) โ 18 (60%) โ 21 (70%) โ 24 (80%) ๐งฎ 2 โ 27 (90%) โ 30 (100%) ๐งฎ 2 โ
PHYSICS WSBT
โ buzzed CORRECT ยท buzz @ word 24/31 (80% in)
An ideal transformer has 28 coils in the primary winding and 42 coils in the secondary winding. If the source current is 210 A, then ๐ what current does the transformer output?
gold answer: 140 A
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (20%) ๐งฎ 30 โ 9 (30%) โ 12 (40%) โ 15 (50%) ๐งฎ 3/2 โ 18 (60%) โ 21 (70%) โ 24 (80%) ๐งฎ 140 โ 27 (90%) ๐งฎ 140 โ 30 (100%) ๐งฎ 140 โ
PHYSICS MOSFET-2
โ buzzed CORRECT ยท buzz @ word 12/16 (80% in)
Time dilation and length contraction both result from what theory, which relates space ๐ and time? โ
gold answer: SPECIAL RELATIVITY / RELATIVITY
heard bot's guess P(correct) 0 (0%) โ 3 (20%) Special relativity โ 6 (40%) โ 9 (60%) Special relativity โ 12 (80%) Special relativity โ 15 (100%) Special relativity โ
CHEMISTRY SBL
โ buzzed CORRECT ยท buzz @ word 12/16 (80% in)
Esters can be hydrolyzed under acidic conditions to form carboxylic acids and what ๐ other functional group?
gold answer: ALCOHOL
heard bot's guess P(correct) 0 (0%) โ 3 (20%) โ 6 (40%) Fischer esterification โ 9 (60%) acids โ 12 (80%) Alcohols โ 15 (100%) Alcohol โ
ENERGY Deadbird Invitational
โ buzzed CORRECT ยท buzz @ word 24/31 (80% in)
Researchers at Lawrence Livermore National Lab are studying the Tobacco mosaic virus and its structure. What is the name of the helical protein shell that ๐ encloses the mosaic virusโ RNA molecule?
gold answer: CAPSID
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (20%) โ 9 (30%) Tobacco mosaic virus โ 12 (40%) โ 15 (50%) โ 18 (60%) โ 21 (70%) capsid โ 24 (80%) capsid โ 27 (90%) Capsid โ 30 (100%) Capsid โ
BIOLOGY FE!M-2025
โ buzzed CORRECT ยท buzz @ word 24/31 (80% in)
Unlike most mesodermally derived bones in the body, teeth are primarily of ectodermal origin. This is because they are seeded by what group of cells ๐ that are a byproduct of neurulation?
gold answer: Neural Crest cells 8
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (20%) โ 9 (30%) ectodermally derived โ 12 (40%) Neural crest โ 15 (50%) neural crest cells โ 18 (60%) neural crest โ 21 (70%) neural crest cells โ 24 (80%) Neural crest cells โ 27 (90%) Neural crest cells โ 30 (100%) Neural crest cells โ
MATH SBST
โ buzzed CORRECT ยท buzz @ word 24/31 (80% in)
A rectangle is inscribed inside a circle with an area of 25ฯ. Given that the rectangleโs length is double the length of its width, what ๐ is the area of the rectangle?
gold answer: 40
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (20%) โ 9 (30%) โ 12 (40%) ๐งฎ 48 โ 15 (50%) ๐งฎ 40 โ 18 (60%) ๐งฎ 40 โ 21 (70%) ๐งฎ 40 โ 24 (80%) ๐งฎ 40 โ 27 (90%) ๐งฎ 40 โ 30 (100%) ๐งฎ 40 โ
BIOLOGY random
โ buzzed CORRECT ยท buzz @ word 12/16 (80% in)
What compound present in the bacterial cell walls facilitates trapping of crystal violet ๐ during Gram staining?
gold answer: PEPTIDOGLYCAN
heard bot's guess P(correct) 0 (0%) โ 3 (20%) โ 6 (40%) โ 9 (60%) Peptidoglycan โ 12 (80%) Peptidoglycan โ 15 (100%) Peptidoglycan โ
CHEMISTRY DAST1
โ buzzed CORRECT ยท buzz @ word 18/23 (82% in)
What is the term for molecules that lack chiral centers but are optically active due to steric hindrance around ๐ a rotationally fixed bond?
gold answer: ATROPISOMERS
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (27%) โ 9 (41%) achiral โ 12 (55%) Achiral โ 15 (68%) axially chiral molecules... the answer is **atr โ 18 (82%) Atropisomers โ 21 (95%) Atropisomers โ 22 (100%) Atropisomers โ
EARTH_SPACE MIT-2020
โ buzzed CORRECT ยท buzz @ word 9/12 (82% in)
What is the name of the failed arm of a ๐ triple junction?
gold answer: Aulacogen
heard bot's guess P(correct) 0 (0%) โ 3 (27%) โ 6 (55%) โ 9 (82%) Aulacogen โ 11 (100%) Aulacogen โ
CHEMISTRY CCWTWO
โ buzzed CORRECT ยท buzz @ word 18/23 (82% in)
What is the name of the carbonyl condensation reaction that occurs when two esters are treated with a base ๐ such as sodium ethoxide?
gold answer: Claisen Condensation
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (27%) โ 9 (41%) aldol condensation โ 12 (55%) Aldol condensation โ 15 (68%) Claisen condensation โ 18 (82%) Claisen condensation โ 21 (95%) Claisen condensation โ 22 (100%) Claisen condensation โ
EARTH_SPACE BASIS Peoria Rounds
โ buzzed CORRECT ยท buzz @ word 15/19 (83% in)
What is the term for a mountain that is formed by the glacial weathering of the ๐ rocks around it?
gold answer: HORN
heard bot's guess P(correct) 0 (0%) โ 3 (17%) โ 6 (33%) โ 9 (50%) โ 12 (67%) Horn โ 15 (83%) Horn โ 18 (100%) Horn โ
CHEMISTRY MIT-2023
โ buzzed CORRECT ยท buzz @ word 15/19 (83% in)
When chlorine gas is bubbled into basic water, the chloride anion along with what other chlorine-containing ๐ ion is formed?
gold answer: Hypochlorite anion / Hypochlorite; OClโ
heard bot's guess P(correct) 0 (0%) โ 3 (17%) โ 6 (33%) bleach โ 9 (50%) โ 12 (67%) hypochlorite โ 15 (83%) Hypochlorite โ 18 (100%) Hypochlorite โ
CHEMISTRY Prometheus 2023
โ buzzed CORRECT ยท buzz @ word 15/19 (83% in)
What is the name given to the non-zero entropy observed in an ensemble of particles cooled ๐ to absolute zero?
gold answer: Residual entropy
heard bot's guess P(correct) 0 (0%) โ 3 (17%) โ 6 (33%) โ 9 (50%) Residual entropy โ 12 (67%) Residual entropy โ 15 (83%) Residual entropy โ 18 (100%) Residual entropy โ
OTHER Deadbird Invitational
โ buzzed CORRECT ยท buzz @ word 36/44 (84% in)
Nayeon, a singer on the kpop band TWICE, is singing. When she is singing, small jets of air pass through moving vocal cords. What is the name for the measure of volume that describes how much air ๐ is inhaled and exhaled with each breath?
gold answer: TIDAL VOLUME
heard bot's guess P(correct) 0 (0%) TWICE โ 3 (7%) โ 6 (14%) TWICE โ 9 (21%) โ 12 (28%) โ 15 (35%) โ 18 (42%) โ 21 (49%) cords โ 24 (56%) โ 27 (63%) Bernoulli's principle โ 30 (70%) โ 33 (77%) Loudness โ 36 (84%) Tidal volume โ 39 (91%) Tidal volume โ 42 (98%) Tidal volume โ 43 (100%) Tidal volume โ
ENERGY DAST1
โ buzzed CORRECT ยท buzz @ word 48/58 (84% in)
Scientists at Brookhaven National Laโs Center for Functional Nanomaterials need precise equipment in order to study the binding of SARS-CoV-2 [sars-co-vtwo] to cells and find a way to inhibit it. In order to accomplish this, they are using what microscopic technique that uses a usually pyramidal-shaped tip attached to ๐ a cantilever [KANtuh-lee-ver] that can very finely scan surfaces?
gold answer: ATOMIC FORCE MICROSCOPY / SCANNING FORCE MICROSCOPY
heard bot's guess P(correct) 0 (0%) โ 3 (5%) โ 6 (11%) โ 9 (16%) โ 12 (21%) โ 15 (26%) โ 18 (32%) โ 21 (37%) โ 24 (42%) โ 27 (47%) โ 30 (53%) โ 33 (58%) โ 36 (63%) โ 39 (68%) electron microscope โ 42 (74%) Cryo-electron microscopy โ 45 (79%) Atomic Force Microscopy โ 48 (84%) Atomic Force Microscopy โ 51 (89%) Atomic force microscopy โ 54 (95%) Atomic Force Microscopy โ 57 (100%) Atomic force microscopy โ
MATH dast-2025
โ buzzed CORRECT ยท buzz @ word 27/33 (84% in)
In Boolean algebra, a conjunction is a logical operator representing โandโ whereas a disjunction is a logical operator representing โorโ. What set of laws in Boolean algebra relate ๐ conjunctions and disjunctions by negation?
gold answer: De Morganโs Laws / De Morganโs Theorems and WORD FORMS
heard bot's guess P(correct) 0 (0%) โ 3 (9%) โ 6 (19%) logical AND โ 9 (28%) AND โ 12 (38%) disjunction โ 15 (47%) logical "or โ 18 (56%) or โ 21 (66%) โ 24 (75%) De Morgan's Laws โ 27 (84%) De Morgan's Laws โ 30 (94%) De Morgan's Laws โ 32 (100%) De Morgan's Laws โ
PHYSICS MIT-2022
โ buzzed CORRECT ยท buzz @ word 30/36 (86% in)
By name or number, identify all of the following three changes which would sharpen the resonance peak of a damped, driven harmonic oscillator: 1) Decreasing the damping 2) Increasing the mass ๐ 3) Decreasing the spring constant
gold answer: 1 and 2 / All but 3
heard bot's guess P(correct) 0 (0%) โ 3 (9%) โ 6 (17%) โ 9 (26%) โ 12 (34%) โ 15 (43%) โ 18 (51%) โ 21 (60%) โ 24 (69%) โ 27 (77%) 1 and 2 โ 30 (86%) 1 and 2 โ 33 (94%) 1 and 2 โ 35 (100%) 1 and 2 โ
BIOLOGY NSI_2024
โ buzzed CORRECT ยท buzz @ word 18/22 (86% in)
When epinephrine binds to adrenergic receptors and activates a G-protein coupled receptor, it converts ATP to cyclic AMP by ๐ activating what enzyme?
gold answer: ADENYLYL CYCLASE / ADENYLATE CYCLASE
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (29%) โ 9 (43%) cAMP โ 12 (57%) โ 15 (71%) cyclic AMP โ 18 (86%) Adenylyl cyclase โ 21 (100%) Adenylyl cyclase โ
MATH WSBT
โ buzzed CORRECT ยท buzz @ word 18/22 (86% in)
If ๐ฅ โก 1 (mod 25) and ๐ฅ โก 3 (mod 4), what is the remainder when x is ๐ divided by 100?
gold answer: 51
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (29%) โ 9 (43%) โ 12 (57%) ๐งฎ 51 โ 15 (71%) ๐งฎ 51 โ 18 (86%) ๐งฎ 51 โ 21 (100%) ๐งฎ 51 โ
PHYSICS Prometheus 2023
โ buzzed CORRECT ยท buzz @ word 18/22 (86% in)
Compute the energy, in millijoules, stored in an inductor of inductance 5 millihenries with a current of 6 amperes ๐ flowing through it.
gold answer: 90
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (29%) โ 9 (43%) โ 12 (57%) โ 15 (71%) โ 18 (86%) ๐งฎ 90 โ 21 (100%) ๐งฎ 90 โ
MATH MEHS Rounds
โ buzzed CORRECT ยท buzz @ word 24/29 (86% in)
If the surface area of a cube is 600 square centimeters, give the volume of the cube, and express your answer in terms of cubic ๐ centimeters. Page 7 TOSS-UP
gold answer: 1000
heard bot's guess P(correct) 0 (0%) โ 3 (11%) โ 6 (21%) โ 9 (32%) ๐งฎ 1000 โ 12 (43%) โ 15 (54%) ๐งฎ 1000 โ 18 (64%) ๐งฎ 1000 โ 21 (75%) ๐งฎ 1000 โ 24 (86%) ๐งฎ 1000 โ 27 (96%) ๐งฎ 1000 โ 28 (100%) ๐งฎ 1000 โ
ENERGY NSBA1
โ buzzed CORRECT ยท buzz @ word 30/36 (86% in)
Researchers at Pacific Northwest National Lab are measuring recharge rates in aquifers by measuring the permeability of the aquifer and viscosity of the liquids. What equation in hydrology describes the movement ๐ of groundwater in porous mediums?
gold answer: DARCYโS LAW
heard bot's guess P(correct) 0 (0%) โ 3 (9%) โ 6 (17%) โ 9 (26%) โ 12 (34%) โ 15 (43%) โ 18 (51%) โ 21 (60%) โ 24 (69%) Darcy's Law โ 27 (77%) Darcy's Law โ 30 (86%) Darcy's Law โ 33 (94%) Darcy's Law โ 35 (100%) Darcy's Law โ
PHYSICS random
โ buzzed CORRECT ยท buzz @ word 18/22 (86% in)
What is the term for a material that can be inserted between the slabs of a parallel-plate capacitor to ๐ increase its capacitance?
gold answer: DIELECTRIC
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (29%) โ 9 (43%) โ 12 (57%) โ 15 (71%) โ 18 (86%) Dielectric โ 21 (100%) Dielectric โ
BIOLOGY IGNIS 2022
โ buzzed CORRECT ยท buzz @ word 21/25 (88% in)
Whether a muscle is fast or slow twitch is determined by the activity of an ATP hydrolysing enzyme. This ATP is attached ๐ to what molecule?
gold answer: Myosin
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (25%) myosin heavy chain โ 9 (38%) โ 12 (50%) myosin ATPase โ 15 (62%) ATPase โ 18 (75%) Myosin ATPase โ 21 (88%) Myosin ATPase โ 24 (100%) Myosin โ
MATH FE!M-2025
โ buzzed CORRECT ยท buzz @ word 51/59 (88% in)
An unfair coin has a 23 chance of coming up heads, a 16 chance of landing on its side, and a 61 chance of coming up tails. Theenash flips the coin. He wins if it lands heads, loses if it lands tails, and reflips the coin if it lands on its side. ๐ What is the probability that Theenash wins?
gold answer: 45
heard bot's guess P(correct) 0 (0%) โ 3 (5%) โ 6 (10%) โ 9 (16%) ๐งฎ 4/9 โ 12 (21%) ๐งฎ 4/5 โ 15 (26%) โ 18 (31%) โ 21 (36%) ๐งฎ 4/5 โ 24 (41%) ๐งฎ 1/6 โ 27 (47%) โ 30 (52%) ๐งฎ 4/5 โ 33 (57%) โ 36 (62%) ๐งฎ 2/3 โ 39 (67%) ๐งฎ 4/5 โ 42 (72%) ๐งฎ 4/5 โ 45 (78%) ๐งฎ 4/5 โ 48 (83%) ๐งฎ 4/5 โ 51 (88%) ๐งฎ 4/5 โ 54 (93%) ๐งฎ 4/5 โ 57 (98%) ๐งฎ 4/5 โ 58 (100%) ๐งฎ 4/5 โ
PHYSICS CSBL
โ buzzed CORRECT ยท buzz @ word 15/18 (88% in)
When a car drives along a road, the absence of what force can cause slipping on ๐ the wheels?
gold answer: FRICTION / STATIC FRICTION; DO NOT ACCEPT: KINETIC FRICTION
heard bot's guess P(correct) 0 (0%) โ 3 (18%) โ 6 (35%) โ 9 (53%) โ 12 (71%) friction โ 15 (88%) Friction โ 17 (100%) Static friction โ
ENERGY MIT-2020
โ buzzed CORRECT ยท buzz @ word 39/45 (89% in)
Researchers in the Buchwald group at MIT are interested in developing next-generation ligands. To this end, they are employing organometallic coupling chemistry in order to generate ligands that are constrained in rotation about single bonds by steric effects. What form ๐ of isomerism does this cause?
gold answer: Atropisomerism
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (14%) โ 9 (20%) โ 12 (27%) โ 15 (34%) โ 18 (41%) โ 21 (48%) โ 24 (55%) โ 27 (61%) โ 30 (68%) โ 33 (75%) Atropisomers โ 36 (82%) Atropisomers โ 39 (89%) Atropisomers โ 42 (95%) Atropisomerism โ 44 (100%) Atropisomerism โ
PHYSICS MIT-2024
โ buzzed CORRECT ยท buzz @ word 24/28 (89% in)
Magnetically sensitive dyes are used in spectral imaging because they produce split spectral lines in the presence of a magnetic field. What effect is responsible ๐ for this phenomenon?
gold answer: Zeeman
heard bot's guess P(correct) 0 (0%) โ 3 (11%) โ 6 (22%) โ 9 (33%) โ 12 (44%) Zeeman effect โ 15 (56%) Zeeman effect โ 18 (67%) magnetic field โ 21 (78%) Zeeman effect โ 24 (89%) Zeeman effect โ 27 (100%) Zeeman effect โ
ENERGY NSI_2024
โ buzzed CORRECT ยท buzz @ word 24/28 (89% in)
Researchers are using graph based models to represent traffic dynamics in densely populated cities. What word describes a graph where each node is connected to ๐ every other node?
gold answer: Complete
heard bot's guess P(correct) 0 (0%) โ 3 (11%) โ 6 (22%) โ 9 (33%) โ 12 (44%) โ 15 (56%) โ 18 (67%) โ 21 (78%) โ 24 (89%) complete โ 27 (100%) Complete โ
MATH CCWTWO
โ buzzed CORRECT ยท buzz @ word 9/11 (90% in)
How many numbers less than 100 are relatively prime to ๐ 100?
gold answer: 40
heard bot's guess P(correct) 0 (0%) โ 3 (30%) โ 6 (60%) ๐งฎ 40 โ 9 (90%) ๐งฎ 40 โ 10 (100%) ๐งฎ 40 โ
EARTH_SPACE BTHS-2025
โ buzzed CORRECT ยท buzz @ word 9/11 (90% in)
What type of rock is formed from the solidification of ๐ magma?
gold answer: Igneous
heard bot's guess P(correct) 0 (0%) โ 3 (30%) โ 6 (60%) โ 9 (90%) igneous โ 10 (100%) Igneous โ
MATH Moose
โ buzzed CORRECT ยท buzz @ word 27/31 (90% in)
The point A (4, 6) is reflected over the line y = x to point B. What is the area of the triangle formed by points A, B, ๐ and the origin?
gold answer: 10
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (20%) โ 9 (30%) ๐งฎ (Fraction(6, 1), Fraction(4, 1)) โ 12 (40%) ๐งฎ (6, 4) โ 15 (50%) ๐งฎ (6, 4) โ 18 (60%) ๐งฎ 2.828 โ 21 (70%) ๐งฎ 10 โ 24 (80%) ๐งฎ 10 โ 27 (90%) ๐งฎ 10 โ 30 (100%) ๐งฎ 10 โ
MATH AVES-2025
โ buzzed CORRECT ยท buzz @ word 45/51 (90% in)
Gaurav has triangle ABC and he finds points X, Y, and Z outside the triangle such that BCX, ACY, and ABZ are equilateral. The intersection of AX, BY, and CZ is what point, which has the property that the sum of the distances from the vertices ๐ to the point is minimized?
gold answer: Fermat point
heard bot's guess P(correct) 0 (0%) โ 3 (6%) โ 6 (12%) โ 9 (18%) โ 12 (24%) โ 15 (30%) โ 18 (36%) โ 21 (42%) โ 24 (48%) โ 27 (54%) Napoleon point โ 30 (60%) The outer Napoleon point โ 33 (66%) Fermat point โ 36 (72%) Fermat point โ 39 (78%) Fermat point โ 42 (84%) Fermat point โ 45 (90%) Fermat point โ 48 (96%) Fermat point โ 50 (100%) Fermat point โ
ENERGY Dasoni Comp1
โ buzzed CORRECT ยท buzz @ word 27/31 (90% in)
Davidson HS B Team members are studying hadrons. They hate free hadrons and love watching them decay. What free hadron is least satisfying to watch, as it does ๐ not decay quickly?
gold answer: PROTON
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (20%) โ 9 (30%) โ 12 (40%) โ 15 (50%) โ 18 (60%) โ 21 (70%) neutron โ 24 (80%) โ 27 (90%) The proton โ 30 (100%) proton โ
MATH LexSciBowl
โ buzzed CORRECT ยท buzz @ word 21/24 (91% in)
Given that the areas of the faces of a rectangular prism are 6, 8, and 12, what is the volume of the ๐ rectangular prism?
gold answer: 24
heard bot's guess P(correct) 0 (0%) โ 3 (13%) โ 6 (26%) โ 9 (39%) โ 12 (52%) ๐งฎ 30 โ 15 (65%) ๐งฎ 24 โ 18 (78%) ๐งฎ 24 โ 21 (91%) ๐งฎ 24 โ 23 (100%) ๐งฎ 24 โ
MATH SBST (Spring)
โ buzzed CORRECT ยท buzz @ word 21/24 (91% in)
In how many ways can 21 identical marbles be distributed amongst 7 people such that no two people have the same number ๐ of marbles?
gold answer: 5040
heard bot's guess P(correct) 0 (0%) โ 3 (13%) โ 6 (26%) ๐งฎ 253 โ 9 (39%) ๐งฎ 2024 โ 12 (52%) ๐งฎ 296010 โ 15 (65%) โ 18 (78%) ๐งฎ 5040 โ 21 (91%) ๐งฎ 5040 โ 23 (100%) โ
ENERGY WISC-2021
โ buzzed CORRECT ยท buzz @ word 33/37 (92% in)
Scientists at the Technical University of Munich are researching materials for information storage. What type of magnetic materials are they studying, in which the atoms, which behave as tiny magnets, are aligned in an ๐ antiparallel arrangement? [SA]
gold answer: ANTIFERROMAGNETS
heard bot's guess P(correct) 0 (0%) โ 3 (8%) โ 6 (17%) โ 9 (25%) โ 12 (33%) โ 15 (42%) โ 18 (50%) โ 21 (58%) โ 24 (67%) antiferromagnetic materials โ 27 (75%) โ 30 (83%) Antiferromagnetic materials โ 33 (92%) Antiferromagnetic materials โ 36 (100%) Antiferromagnetic materials โ
MATH THUMB-2025
โ buzzed CORRECT ยท buzz @ word 24/27 (92% in)
According to the rational root theorem, which of the following values could be a root of the polynomial 2x^2+14x+12? W) 5 X) 6 Y) 7 ๐ Z) 8
gold answer: X) 6
heard bot's guess P(correct) 0 (0%) โ 3 (12%) Rational Root Theorem โ 6 (23%) โ 9 (35%) โ 12 (46%) โ 15 (58%) โ 18 (69%) ๐งฎ -6 โ 21 (81%) ๐งฎ -6 โ 24 (92%) ๐งฎ 6 โ 26 (100%) ๐งฎ 6 โ
EARTH_SPACE THUMB-2025
โ buzzed CORRECT ยท buzz @ word 24/27 (92% in)
Identify all of the following three astronomical phenomenon that are commonly used as spiral tracers: 1) Type II supernovae 2) H-II (read: H-two) regions 3) ๐ K-type stars
gold answer: 1 and 2
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (23%) โ 9 (35%) โ 12 (46%) โ 15 (58%) โ 18 (69%) All three โ 21 (81%) 1 and 2 โ 24 (92%) 1 and 2 โ 26 (100%) 1 and 2 โ
BIOLOGY BTHS-2025
โ buzzed CORRECT ยท buzz @ word 27/30 (93% in)
Organisms in the phylum Cnidaria (Read as: โnih-DAIR-ee-uhโ) are found during, and can sometimes alternate between, two main life stages, or body forms. What are the names of ๐ these forms?
gold answer: Polyp and Medusa
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (21%) โ 9 (31%) โ 12 (41%) โ 15 (52%) โ 18 (62%) Polyp and medusa โ 21 (72%) plans โ 24 (83%) Polyp and medusa โ 27 (93%) Polyp and medusa โ 29 (100%) Polyp and medusa โ
CHEMISTRY Random Stuff
โ buzzed CORRECT ยท buzz @ word 15/17 (94% in)
What is the name of the effect of cooling a real gas by expansion through a ๐ throttle?
gold answer: JOULE-THOMSON EFFECT
heard bot's guess P(correct) 0 (0%) โ 3 (19%) โ 6 (38%) โ 9 (56%) โ 12 (75%) Joule-Thomson effect โ 15 (94%) Joule-Thomson effect โ 16 (100%) Joule-Thomson effect โ
MATH texas_sci_bowl_2025
โ buzzed CORRECT ยท buzz @ word 15/17 (94% in)
A regular polygon has an internal angle of 177 degrees. How many side lengths does it ๐ have?
gold answer: 120
heard bot's guess P(correct) 0 (0%) โ 3 (19%) โ 6 (38%) โ 9 (56%) ๐งฎ 120 โ 12 (75%) ๐งฎ 120 โ 15 (94%) ๐งฎ 120 โ 16 (100%) ๐งฎ 120 โ
BIOLOGY THUMB-2025
โ buzzed CORRECT ยท buzz @ word 15/17 (94% in)
Ishank the rat is an r-selected species. R-selected species tend to follow what type of survivorship ๐ curve?
gold answer: Type III / three
heard bot's guess P(correct) 0 (0%) โ 3 (19%) โ 6 (38%) โ 9 (56%) โ 12 (75%) J-shaped growth curve โ 15 (94%) Type III โ 16 (100%) Type III โ
CHEMISTRY NSI_2024
โ buzzed CORRECT ยท buzz @ word 18/20 (95% in)
Identify all of the following four orbitals which have zero radial nodes: 1) 2s, 2) 2p, 3) 3p, 4) ๐ 3d
gold answer: 2 AND 4
heard bot's guess P(correct) 0 (0%) โ 3 (16%) โ 6 (32%) โ 9 (47%) โ 12 (63%) โ 15 (79%) โ 18 (95%) ๐งฎ 2 and 4 โ 19 (100%) ๐งฎ 2, 4 โ
EARTH_SPACE SMH-2025
โ buzzed CORRECT ยท buzz @ word 18/20 (95% in)
Identify all of the following three spectral classes that are described as red dwarfs: 1) A; 2) G; 3) ๐ M.
gold answer: 3 only
heard bot's guess P(correct) 0 (0%) โ 3 (16%) โ 6 (32%) โ 9 (47%) โ 12 (63%) โ 15 (79%) 2 and 3 โ 18 (95%) 3 only โ 19 (100%) 3) M โ
CHEMISTRY random
โ buzzed CORRECT ยท buzz @ word 18/20 (95% in)
The strongest hydrogen bonds are typically thought to form only when hydrogen is bonded to one of what three ๐ atoms?
gold answer: NITROGEN, OXYGEN, AND FLUORINE / N, O, AND F
heard bot's guess P(correct) 0 (0%) โ 3 (16%) โ 6 (32%) fluorine โ 9 (47%) โ 12 (63%) bonded to fluorine, oxygen, or nitrogen โ 15 (79%) fluorine, oxygen, or nitrogen โ 18 (95%) Fluorine, oxygen, and nitrogen โ 19 (100%) Fluorine, oxygen, and nitrogen โ
MATH IGNIS 2022
โ buzzed CORRECT ยท buzz @ word 18/20 (95% in)
What probability distribution is used to model the number of times a certain event occurs within a fixed time ๐ interval?
gold answer: Poisson distribution
heard bot's guess P(correct) 0 (0%) โ 3 (16%) โ 6 (32%) โ 9 (47%) Poisson distribution โ 12 (63%) Poisson distribution โ 15 (79%) Poisson distribution โ 18 (95%) Poisson distribution โ 19 (100%) Poisson distribution โ
BIOLOGY SBL
โ buzzed CORRECT ยท buzz @ word 18/20 (95% in)
Identify all of the following three organelles that are enclosed by a double membrane: 1) Nucleus; 2) Glyoxysome; 3) ๐ Chloroplast.
gold answer: 1 AND 3
heard bot's guess P(correct) 0 (0%) โ 3 (16%) โ 6 (32%) โ 9 (47%) โ 12 (63%) โ 15 (79%) 1 and 2 โ 18 (95%) 1 and 3 โ 19 (100%) 1 and 3 โ
CHEMISTRY WSBT
โ buzzed CORRECT ยท buzz @ word 21/23 (95% in)
What element, found in nature as a sulfide, can be added to improve the rigidity of lead alloy plates in lead acid ๐ batteries?
gold answer: ANTIMONY
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (27%) โ 9 (41%) โ 12 (55%) โ 15 (68%) Sulfur โ 18 (82%) Antimony โ 21 (95%) Antimony โ 22 (100%) Antimony โ
CHEMISTRY FE!M-2025
โ buzzed CORRECT ยท buzz @ word 21/23 (95% in)
Advaith is setting up a galvanic cell and is attempting to calculate the electromotive force. What equation can he use to do ๐ this?
gold answer: Nernst Equation 13
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (27%) โ 9 (41%) โ 12 (55%) โ 15 (68%) โ 18 (82%) Nernst equation โ 21 (95%) Nernst equation โ 22 (100%) Nernst equation โ
CHEMISTRY MHS Rounds
โ buzzed CORRECT ยท buzz @ word 21/23 (95% in)
Identify all of the following 3 reagents that would create a cis epoxide from a cis alkene: 1) mCPBA; 2) MMPP; 3) ๐ DMSO.
gold answer: 1 AND 2
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (27%) โ 9 (41%) โ 12 (55%) โ 15 (68%) โ 18 (82%) 1 and 2 โ 21 (95%) 1 and 2 โ 22 (100%) 1 and 2 โ
ENERGY CSBL
โ buzzed CORRECT ยท buzz @ word 48/51 (96% in)
Researchers at Pacific Northwest National Lab have designed a chip-sized sensor to detect toxic polyfluoroalkyl substances, or PFAS, which do not break down naturally and can repel water and oils. Identify all of the following three products that PFAS is commonly used in: 1) Non-stick pans; 2) Food packaging; ๐ 3) Silverware.
gold answer: 1 AND 2
heard bot's guess P(correct) 0 (0%) โ 3 (6%) โ 6 (12%) โ 9 (18%) โ 12 (24%) โ 15 (30%) PFAS โ 18 (36%) โ 21 (42%) โ 24 (48%) โ 27 (54%) โ 30 (60%) โ 33 (66%) โ 36 (72%) โ 39 (78%) โ 42 (84%) โ 45 (90%) 1 and 2 and 3 โ 48 (96%) 1 and 2 โ 50 (100%) 1 and 2 โ
PHYSICS Berkeley-2023
โ buzzed CORRECT ยท buzz @ word 27/29 (96% in)
Identify all of the following three assumptions that must be made when considering an ideal fluid: 1) Fluids are nonviscous; 2) Fluids are compressible; 3) Fluid flow is ๐ irrotational.
gold answer: 1 AND 3
heard bot's guess P(correct) 0 (0%) โ 3 (11%) โ 6 (21%) โ 9 (32%) โ 12 (43%) โ 15 (54%) โ 18 (64%) โ 21 (75%) All three โ 24 (86%) 1 and 3 โ 27 (96%) 1 and 3 โ 28 (100%) 1 and 3 โ
MATH Random Stuff
โ buzzed CORRECT ยท buzz @ word 42/44 (98% in)
The position of a particle constrained to move on the y-axis is described by y=ยฝkt2+4t, where t=time and k is an unknown constant. If the velocity of the particle at time t=5s is 24m/s, what is the value of k? No units are ๐ necessary.
gold answer: K=4
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (14%) โ 9 (21%) โ 12 (28%) โ 15 (35%) โ 18 (42%) โ 21 (49%) โ 24 (56%) โ 27 (63%) ๐งฎ 2 โ 30 (70%) ๐งฎ 2 โ 33 (77%) ๐งฎ 4 โ 36 (84%) ๐งฎ 4 โ 39 (91%) ๐งฎ 4 โ 42 (98%) ๐งฎ 4 โ 43 (100%) ๐งฎ 4 โ
ENERGY MIT-2021
โ buzzed CORRECT ยท buzz @ word 48/50 (98% in)
Researchers in the Movassaghi group at MIT are studying diketopiperazine rings in potential anticancer products. They have found that n to pi star interactions in the ringโs disulfide bond greatly reduce its capability of being reduced. When a disulfide bond is reduced, what functional group is produced as a ๐ result?
gold answer: Thiol
heard bot's guess P(correct) 0 (0%) โ 3 (6%) โ 6 (12%) โ 9 (18%) โ 12 (24%) โ 15 (31%) โ 18 (37%) โ 21 (43%) โ 24 (49%) โ 27 (55%) โ 30 (61%) โ 33 (67%) โ 36 (73%) โ 39 (80%) โ 42 (86%) Thiols โ 45 (92%) Thiol โ 48 (98%) Thiol โ 49 (100%) Thiol โ
CHEMISTRY AVES-2025
โ buzzed CORRECT ยท buzz @ word 24/25 (100% in)
Identify all of the following three modes of vibration for CO2 that are considered Raman active: 1) Asymmetric stretching; 2) Symmetric stretching; 3) Symmetric bending. ๐
gold answer: 2 only
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (25%) โ 9 (38%) โ 12 (50%) โ 15 (62%) For COโ, the Raman active mode is โ 18 (75%) 1 only โ 21 (88%) 2 only โ 24 (100%) 2 only โ
MATH FE!M-2025
โ buzzed CORRECT ยท buzz @ word 31/32 (100% in)
The vertices of a polygon are labeled ๐ข, ๐ฃ, ๐ถ, and so on, in that order. If angle ๐ฃ๐ข๐ถ is found to be 12 degrees, how many sides does the polygon have? ๐
gold answer: 15
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (19%) โ 9 (29%) โ 12 (39%) โ 15 (48%) โ 18 (58%) โ 21 (68%) โ 24 (77%) ๐งฎ 15 โ 27 (87%) ๐งฎ 15 โ 30 (97%) ๐งฎ 15 โ 31 (100%) ๐งฎ 15 โ
PHYSICS MIT-2025
โ buzzed CORRECT ยท buzz @ word 41/42 (100% in)
A conducting sphere can be considered a capacitor, with the other plate being a concentric conducting shell infinitely far away from the conductor. By what factor does the capacitance of this capacitor change if the sphereโs charge and radius are both doubled? ๐
gold answer: 2
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (15%) โ 9 (22%) โ 12 (29%) Infinity โ 15 (37%) sphere at infinity โ 18 (44%) 4ฯฮตโR โ 21 (51%) 4ฯฮตโR โ 24 (59%) โ 27 (66%) โ 30 (73%) โ 33 (80%) โ 36 (88%) โ 39 (95%) โ 41 (100%) 2 โ
ENERGY NSBA1
โ buzzed CORRECT ยท buzz @ word 33/34 (100% in)
Scientists at Sandia National Lab are studying the coordination of different crystal structures. Order the following 3 crystal structures in terms of increasing coordination number: 1) Simple cubic; 2) Body-centered cubic; 3) Face-centered cubic. ๐
gold answer: 1, 2, 3
heard bot's guess P(correct) 0 (0%) โ 3 (9%) โ 6 (18%) โ 9 (27%) โ 12 (36%) โ 15 (45%) โ 18 (55%) โ 21 (64%) โ 24 (73%) โ 27 (82%) Simple cubic โ 30 (91%) 1, 2, 3 โ 33 (100%) 1, 2, 3 โ
PHYSICS NSBA2
โ buzzed CORRECT ยท buzz @ word 41/42 (100% in)
David sets up a far-field, single-slit diffraction experiment where the wavelength of light is 600 nanometers. The first minimum in intensity occurs when the path difference between light rays from the top and the bottom of the slit is how many nanometers? ๐
gold answer: 600
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (15%) โ 9 (22%) โ 12 (29%) โ 15 (37%) โ 18 (44%) โ 21 (51%) โ 24 (59%) 300 nanometers โ 27 (66%) โ 30 (73%) โ 33 (80%) ๐งฎ 600 โ 36 (88%) โ 39 (95%) ๐งฎ 600 โ 41 (100%) ๐งฎ 600 โ
MATH SBST
โ buzzed CORRECT ยท buzz @ word 28/29 (100% in)
What is the minimum number of cards that must be drawn out of a 52-card deck such that you are guaranteed at least 3 of the same face card? ๐
gold answer: 47
heard bot's guess P(correct) 0 (0%) โ 3 (11%) โ 6 (21%) โ 9 (32%) โ 12 (43%) โ 15 (54%) ๐งฎ 5 โ 18 (64%) ๐งฎ 40 โ 21 (75%) ๐งฎ 14 โ 24 (86%) ๐งฎ 9 โ 27 (96%) ๐งฎ 27 โ 28 (100%) ๐งฎ 47 โ
PHYSICS Walton Rounds
โ buzzed CORRECT ยท buzz @ word 17/18 (100% in)
What is the power dissipated in Watts by a 2 Ohm resistor in a circuit with 6 Volts? ๐
gold answer: 18 (WATTS)
heard bot's guess P(correct) 0 (0%) โ 3 (18%) โ 6 (35%) โ 9 (53%) โ 12 (71%) โ 15 (88%) โ 17 (100%) ๐งฎ 18 โ
BIOLOGY dast-2025
โ buzzed CORRECT ยท buzz @ word 18/19 (100% in)
Order the following four root layers from superficial to deep? 1) Pericycle 2) Stele 3) Root cap 4) Cortex ๐
gold answer: ROOT CAP, CORTEX, PERICYCLE, STELE (3, 4, 1, 2)
heard bot's guess P(correct) 0 (0%) โ 3 (17%) โ 6 (33%) โ 9 (50%) โ 12 (67%) โ 15 (83%) โ 18 (100%) 3, 4, 1, 2 โ
EARTH_SPACE BASIS Peoria Rounds
โ buzzed CORRECT ยท buzz @ word 8/9 (100% in)
What was the first period in the Paleozoic Era? ๐
gold answer: CAMBRIAN
heard bot's guess P(correct) 0 (0%) โ 3 (38%) โ 6 (75%) โ 8 (100%) Cambrian โ
ENERGY Dasoni Standard1
โ buzzed CORRECT ยท buzz @ word 46/47 (100% in)
Davidson HS A Team members are currently studying freezing fog. Freezing fog is fog formed at temperatures below freezing and can lead to icy roads as the supercooled droplets in the fog freeze on the road surface. What type of precipitation behaves most similarly to freezing fog? ๐
gold answer: FREEZING RAIN
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (13%) โ 9 (20%) โ 12 (26%) โ 15 (33%) โ 18 (39%) โ 21 (46%) โ 24 (52%) โ 27 (59%) โ 30 (65%) โ 33 (72%) โ 36 (78%) โ 39 (85%) โ 42 (91%) Freezing drizzle โ 45 (98%) Freezing rain โ 46 (100%) Freezing rain โ
CHEMISTRY GWHS Rounds
โ buzzed CORRECT ยท buzz @ word 9/10 (100% in)
What is the molecular geometry around a carbon in ethene? ๐
gold answer: TRIGONAL PLANAR
heard bot's guess P(correct) 0 (0%) โ 3 (33%) โ 6 (67%) โ 9 (100%) Trigonal planar โ
MATH MHS Rounds
โ buzzed CORRECT ยท buzz @ word 8/9 (100% in)
What is the smallest number that has 9 factors? ๐
gold answer: 36
heard bot's guess P(correct) 0 (0%) โ 3 (38%) โ 6 (75%) โ 8 (100%) ๐งฎ 36 โ
ENERGY NSBA1
โ buzzed CORRECT ยท buzz @ word 36/37 (100% in)
Scientists at Oak Ridge National Lab are studying how the 3D arrangement of molecules affects dimerization. Identify all of the following 3 molecules which dimerize to a significant degree at STP: 1) NO2; 2) NH3; 3) BH3. ๐
gold answer: 1 AND 3
heard bot's guess P(correct) 0 (0%) โ 3 (8%) โ 6 (17%) โ 9 (25%) โ 12 (33%) โ 15 (42%) โ 18 (50%) โ 21 (58%) โ 24 (67%) โ 27 (75%) โ 30 (83%) โ 33 (92%) 1 and 2 โ 36 (100%) 1 and 3 โ
PHYSICS MIT-2023
โ buzzed CORRECT ยท buzz @ word 47/48 (100% in)
A wheel with radius 0.4 meters rolls without slipping at a speed of 3 meters per second. A point that is 0.2 meters away from the center of the wheel is chosen. In meters per second, as the wheel rolls, what is the maximum speed of the point? ๐
gold answer: 4.5
heard bot's guess P(correct) 0 (0%) โ 3 (6%) โ 6 (13%) โ 9 (19%) ๐งฎ 15/2 โ 12 (26%) ๐งฎ 5 โ 15 (32%) ๐งฎ 15/2 โ 18 (38%) โ 21 (45%) โ 24 (51%) โ 27 (57%) โ 30 (64%) โ 33 (70%) โ 36 (77%) โ 39 (83%) โ 42 (89%) โ 45 (96%) ๐งฎ 9/2 โ 47 (100%) ๐งฎ 9/2 โ
EARTH_SPACE BASED-2025
โ buzzed CORRECT ยท buzz @ word 18/19 (100% in)
By name or number, order the following three particle types by increasing size: 1. Silt 2. Sand 3. Clay ๐
gold answer: 3, 1, 2
heard bot's guess P(correct) 0 (0%) โ 3 (17%) โ 6 (33%) โ 9 (50%) โ 12 (67%) โ 15 (83%) โ 18 (100%) 3, 1, 2 โ
PHYSICS BASIS Peoria Rounds
โ buzzed CORRECT ยท buzz @ word 14/15 (100% in)
Newtons and mass 4 kg. Find the instantaneous acceleration of a rocket with thrust 28 ๐
gold answer: 7
heard bot's guess P(correct) 0 (0%) โ 3 (21%) โ 6 (43%) โ 9 (64%) โ 12 (86%) โ 14 (100%) ๐งฎ 7 โ
PHYSICS CCWTWO
โ buzzed CORRECT ยท buzz @ word 18/19 (100% in)
What theorem or law gives the relationship between the rate of change in magnetic flux and the induced current? ๐
gold answer: Faradayโs Law
heard bot's guess P(correct) 0 (0%) โ 3 (17%) โ 6 (33%) โ 9 (50%) โ 12 (67%) โ 15 (83%) Faraday's Law โ 18 (100%) Faraday's law โ
ENERGY MIT-2025
โ buzzed CORRECT ยท buzz @ word 24/25 (100% in)
Scientists from the Li Lab discovered neutrons occasionally stick to quantum dots instead of scattering as expected. What fundamental interaction is responsible for this phenomenon? ๐
gold answer: STRONG FORCE / STRONG NUCLEAR FORCE, STRONG
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (25%) โ 9 (38%) โ 12 (50%) โ 15 (62%) โ 18 (75%) โ 21 (88%) Strong โ 24 (100%) strong nuclear force โ
CHEMISTRY NSBA1
โ buzzed CORRECT ยท buzz @ word 11/12 (100% in)
What is the organic product formed when benzaldehyde undergoes a Clemmensen reduction? ๐
gold answer: TOLUENE / methbenzene
heard bot's guess P(correct) 0 (0%) โ 3 (27%) โ 6 (55%) โ 9 (82%) โ 11 (100%) Toluene โ
MATH Walton Rounds
โ buzzed CORRECT ยท buzz @ word 20/21 (100% in)
Two fair coins are tossed and at least one is a head. What is the probability that both coins are heads? ๐
gold answer: 1/3
heard bot's guess P(correct) 0 (0%) โ 3 (15%) โ 6 (30%) โ 9 (45%) โ 12 (60%) 1/3 โ 15 (75%) 1/3 โ 18 (90%) 1/3 โ 20 (100%) 1/3 โ
MATH BTHS-2025
โ buzzed CORRECT ยท buzz @ word 13/14 (100% in)
What are the solutions to the equation x^2 + 6x - 7 = 0? ๐
gold answer: -7, 1
heard bot's guess P(correct) 0 (0%) โ 3 (23%) โ 6 (46%) โ 9 (69%) ๐งฎ (Fraction(0, 1), Fraction(-6, 1)) โ 12 (92%) xยฒ + 6x - 7 = โ 13 (100%) ๐งฎ (-7, 1) โ
PHYSICS CSUB
โ buzzed CORRECT ยท buzz @ word 21/22 (100% in)
In a standing wave of a vibrating string, what is the name of the specific harmonic that corresponds to the first overtone? ๐
gold answer: SECOND HARMONIC
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (29%) โ 9 (43%) โ 12 (57%) โ 15 (71%) โ 18 (86%) โ 21 (100%) Second harmonic โ
MATH Deadbird Invitational
โ buzzed CORRECT ยท buzz @ word 23/24 (100% in)
What is the limit as x approaches infinity of the fraction with numerator e to the x and denominator x factorial? Page 7 TOSS-UP ๐
gold answer: 0
heard bot's guess P(correct) 0 (0%) โ 3 (13%) โ 6 (26%) โ 9 (39%) โ 12 (52%) โ 15 (65%) โ 18 (78%) infinity โ 21 (91%) 0 โ 23 (100%) ๐งฎ 0 โ
CHEMISTRY LexSciBowl
โ buzzed CORRECT ยท buzz @ word 37/38 (100% in)
By name or number, identify all of the following 4 types of bonds which are found in boranes, a general class of compounds with chemical formula BxHy: 1) 2-center 2-electrons; 2) 3-center-2-electrons; 3) Sigma 3-center-4-electrons; 4) Pi 3-center-4-electrons. ๐
gold answer: 1 AND 2
heard bot's guess P(correct) 0 (0%) โ 3 (8%) โ 6 (16%) โ 9 (24%) โ 12 (32%) โ 15 (41%) โ 18 (49%) โ 21 (57%) โ 24 (65%) โ 27 (73%) โ 30 (81%) All four โ 33 (89%) 1, 2, and 3 โ 36 (97%) 1 and 2 โ 37 (100%) 1 and 2 โ
BIOLOGY CSUB
โ buzzed WRONG ยท buzz @ word 3/11 (30% in)
The 1,25 form of ๐ Vitamin D is formed in what organ?
gold answer: KIDNEY
heard bot's guess P(correct) 0 (0%) โ 3 (30%) Vitamin D โ 6 (60%) calcitriol โ 9 (90%) kidney โ 10 (100%) Kidney โ
EARTH_SPACE Deadbird Invitational
โ buzzed WRONG ยท buzz @ word 12/38 (32% in)
Star A has a temperature of 5000 K, while star B has a ๐ temperature of 15000 K. Given that both stars have the same radius, what is the ratio of the luminosity of star A to star B?
gold answer: 1/81
heard bot's guess P(correct) 0 (0%) โ 3 (8%) โ 6 (16%) ๐งฎ 16 โ 9 (24%) ๐งฎ 16 โ 12 (32%) ๐งฎ 16 โ 15 (41%) ๐งฎ 81 โ 18 (49%) ๐งฎ 81 โ 21 (57%) ๐งฎ 81 โ 24 (65%) ๐งฎ 1/81 โ 27 (73%) ๐งฎ 81 โ 30 (81%) ๐งฎ 1/81 โ 33 (89%) ๐งฎ 81 โ 36 (97%) ๐งฎ 1/81 โ 37 (100%) ๐งฎ 1/81 โ
BIOLOGY SBL
โ buzzed WRONG ยท buzz @ word 9/21 (45% in)
PYY is a hormone that suppresses the action of what ๐ hormone released by the walls of the stomach to increase hunger?
gold answer: GHRELIN
heard bot's guess P(correct) 0 (0%) PYY โ 3 (15%) peptide YY โ 6 (30%) appetite โ 9 (45%) NPY โ 12 (60%) Ghrelin โ 15 (75%) Ghrelin โ 18 (90%) Ghrelin โ 20 (100%) Ghrelin โ
BIOLOGY Moose
โ buzzed WRONG ยท buzz @ word 15/33 (47% in)
What name is given to the region along which transcription factors commonly bind to DNA? This ๐ region of DNA is distinct from its counterpart in its wider structure thus allowing transcription factor binding.
gold answer: MAJOR GROOVE
heard bot's guess P(correct) 0 (0%) โ 3 (9%) โ 6 (19%) โ 9 (28%) promoter โ 12 (38%) promoter โ 15 (47%) promoter โ 18 (56%) Promoter โ 21 (66%) Promoter โ 24 (75%) Promoter โ 27 (84%) Major groove โ 30 (94%) Major groove โ 32 (100%) Major groove โ
EARTH_SPACE CCWTWO
โ buzzed WRONG ยท buzz @ word 6/13 (50% in)
What crystal structure has 3 axes of ๐ unequal length and unequal intersection angles?
gold answer: TRICLINIC
heard bot's guess P(correct) 0 (0%) โ 3 (25%) โ 6 (50%) Isometric โ 9 (75%) orthorhombic โ 12 (100%) Triclinic โ
EARTH_SPACE Moose
โ buzzed WRONG ยท buzz @ word 27/55 (50% in)
In reflection nebulae like the Pleiades [PLEE-uh-deez], starlight does not ionize the nebula; instead, compounds scatter their light. Two elements that appear in compounds that scatter light in ๐ nebulae are iron and nickel. Due to their alignment with the magnetic field of their galaxy, the light from reflection nebulae is slightly affected by what phenomenon?
gold answer: POLARIZATION
heard bot's guess P(correct) 0 (0%) โ 3 (6%) โ 6 (11%) Blue โ 9 (17%) Rayleigh scattering โ 12 (22%) Blue โ 15 (28%) Blue light โ 18 (33%) dust โ 21 (39%) Dust โ 24 (44%) Carbon and silicon โ 27 (50%) Carbon and silicon โ 30 (56%) Silicon โ 33 (61%) Dust โ 36 (67%) โ 39 (72%) Dust grains โ 42 (78%) Dust grains โ 45 (83%) Polarized โ 48 (89%) Polarized โ 51 (94%) polarized โ 54 (100%) Polarization โ
MATH SCB-2025
โ buzzed WRONG ยท buzz @ word 15/30 (52% in)
A piano has 88 keys. Likith and Monish independently and at random choose one of the ๐ 88 keys. What is the probability that Monishโs key is higher than Likhithโs key?
gold answer: 87/176
heard bot's guess P(correct) 0 (0%) โ 3 (10%) ๐งฎ 9/13 โ 6 (21%) ๐งฎ 1/88 โ 9 (31%) ๐งฎ 1/88 โ 12 (41%) ๐งฎ 1/88 โ 15 (52%) ๐งฎ 1/88 โ 18 (62%) ๐งฎ 1/88 โ 21 (72%) ๐งฎ 1/88 โ 24 (83%) ๐งฎ 87/176 โ 27 (93%) ๐งฎ 87/176 โ 29 (100%) ๐งฎ 87/176 โ
MATH Stanford_2025
โ buzzed WRONG ยท buzz @ word 24/47 (52% in)
Leif has 3 red socks, 6 green socks, and 5 black socks in a bag. What is the minimum number of socks that Leif needs ๐ to randomly draw from the bag to guarantee having 2 socks of one color and another 2 socks of a different color?
gold answer: 9
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (13%) ๐งฎ 1/2 โ 9 (20%) ๐งฎ 4/13 โ 12 (26%) ๐งฎ 4/13 โ 15 (33%) ๐งฎ 4 โ 18 (39%) ๐งฎ 4 โ 21 (46%) ๐งฎ 4 โ 24 (52%) ๐งฎ 4 โ 27 (59%) ๐งฎ 4 โ 30 (65%) ๐งฎ 4 โ 33 (72%) ๐งฎ 4 โ 36 (78%) ๐งฎ 4 โ 39 (85%) ๐งฎ 4 โ 42 (91%) ๐งฎ 9 โ 45 (98%) ๐งฎ 9 โ 46 (100%) โ
EARTH_SPACE MIT-2021
โ buzzed WRONG ยท buzz @ word 12/24 (52% in)
Three of the four Galilean moons of Jupiter are locked in a 1:2:4 ๐ orbital resonance. Which Galilean moon is NOT part of this resonance?
gold answer: Callisto
heard bot's guess P(correct) 0 (0%) โ 3 (13%) โ 6 (26%) โ 9 (39%) Laplace resonance โ 12 (52%) Laplace resonance โ 15 (65%) Io, Europa, and Ganymede โ 18 (78%) Callisto โ 21 (91%) Callisto โ 23 (100%) Callisto โ
BIOLOGY ICSBT-2025
โ buzzed WRONG ยท buzz @ word 18/35 (53% in)
Iodide ions are transported into follicular cells through symport with sodium. To attach iodide ions to thyroglobulin for thyroid ๐ hormone synthesis, iodide ions must then be transported into the colloid by what integral membrane protein?
gold answer: Pendrin
heard bot's guess P(correct) 0 (0%) โ 3 (9%) Thyroid gland โ 6 (18%) thyroid gland โ 9 (26%) Sodium ions โ 12 (35%) Thyroid gland โ 15 (44%) Thyroid peroxidase โ 18 (53%) thyroid peroxidase โ 21 (62%) oxidized โ 24 (71%) be oxidized โ 27 (79%) the follicular lumen โ 30 (88%) pendrin โ 33 (97%) Pendrin โ 34 (100%) Pendrin โ
MATH DAST1
โ buzzed WRONG ยท buzz @ word 27/51 (54% in)
Let a and b be three-dimensional vectors, where (3a + 2b) x (-4a 7b) = ka x b [the quantity three a + two b cross the quantity ๐ negative four a minus seven b equals k times a cross b], where k is a scalar. What is the value of k?
gold answer: -13
heard bot's guess P(correct) 0 (0%) โ 3 (6%) โ 6 (12%) โ 9 (18%) โ 12 (24%) ๐งฎ 11 โ 15 (30%) ๐งฎ 29 โ 18 (36%) ๐งฎ 29 โ 21 (42%) ๐งฎ 29 โ 24 (48%) ๐งฎ 29 โ 27 (54%) ๐งฎ 29 โ 30 (60%) ๐งฎ 29 โ 33 (66%) ๐งฎ -13 โ 36 (72%) ๐งฎ -13 โ 39 (78%) ๐งฎ -13 โ 42 (84%) ๐งฎ -13 โ 45 (90%) ๐งฎ -13 โ 48 (96%) ๐งฎ -13 โ 50 (100%) ๐งฎ -13 โ
ENERGY CSBL
โ buzzed WRONG ยท buzz @ word 18/34 (55% in)
Researchers at Ames National Lab are conducting experiments with CaloriSMART, which could improve the energy efficiency of current refrigeration ๐ systems. What theoretical heat cycle minimizes heat loss and has the maximum possible theoretical efficiency?
gold answer: CARNOT CYCLE
heard bot's guess P(correct) 0 (0%) โ 3 (9%) โ 6 (18%) โ 9 (27%) โ 12 (36%) โ 15 (45%) Magnetocaloric effect โ 18 (55%) Magnetocaloric effect โ 21 (64%) magnetocaloric effect โ 24 (73%) Carnot cycle โ 27 (82%) Carnot cycle โ 30 (91%) Carnot cycle โ 33 (100%) Carnot cycle โ
EARTH_SPACE MHS Rounds
โ buzzed WRONG ยท buzz @ word 12/23 (55% in)
What is the final nuclide of the CNO cycle, which combines with a ๐ proton to generate an alpha particle and a carbon-12 nucleus?
gold answer: NITROGEN-15
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (27%) โ 9 (41%) Nitrogen-14 โ 12 (55%) Nitrogen-14 โ 15 (68%) Nitrogen-14 โ 18 (82%) Nitrogen-15 โ 21 (95%) Nitrogen-15 โ 22 (100%) Nitrogen-15 โ
BIOLOGY Cast
โ buzzed WRONG ยท buzz @ word 9/16 (60% in)
If thirteen fructose molecules were joined together through dehydration reactions, ๐ what would be the resulting compound?
gold answer: C78H13O65
heard bot's guess P(correct) 0 (0%) โ 3 (20%) โ 6 (40%) 12 water molecules โ 9 (60%) 12 water molecules โ 12 (80%) 12 water molecules โ 15 (100%) A polysaccharide made of fructose units โ
PHYSICS dast-2025
โ buzzed WRONG ยท buzz @ word 24/41 (60% in)
Two parallel plates of area 0.25 meters squared have a surface charge of 5 couloumbs per square meter. The two plates form a capacitor with ๐ a capacitance of 4 millifarads. What is the voltage difference between the two plates, in volts?
gold answer: 312.5 V
heard bot's guess P(correct) 0 (0%) โ 3 (8%) โ 6 (15%) โ 9 (22%) ๐งฎ 4 โ 12 (30%) โ 15 (38%) ๐งฎ 5.65e+11 โ 18 (45%) โ 21 (52%) ๐งฎ 5.65e+11 โ 24 (60%) ๐งฎ 5.65e+11 โ 27 (68%) โ 30 (75%) ๐งฎ 625/2 โ 33 (82%) ๐งฎ 625/2 โ 36 (90%) ๐งฎ 625/2 โ 39 (98%) ๐งฎ 625/2 โ 40 (100%) ๐งฎ 625/2 โ
PHYSICS Dasoni Comp1
โ buzzed WRONG ยท buzz @ word 9/16 (60% in)
Diatomic molecules can be modeled as what systems that can ๐ be analyzed using the Schrodinger equation?
gold answer: QUANTUM HARMONIC OSCILLATOR
heard bot's guess P(correct) 0 (0%) โ 3 (20%) โ 6 (40%) harmonic oscillators โ 9 (60%) Harmonic oscillators โ 12 (80%) Harmonic oscillators โ 15 (100%) Quantum harmonic oscillators โ
BIOLOGY DAST1
โ buzzed WRONG ยท buzz @ word 15/25 (62% in)
In bacteria, as well as in mitochondria and chloroplasts, the compound that initiates protein synthesis, rather ๐ than methionine [meth-EYE-o-neen], is methionine attached to what group?
gold answer: FORMYL
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (25%) โ 9 (38%) โ 12 (50%) N-formylmethionine โ 15 (62%) N-formylmethionine โ 18 (75%) N-formylmethionine โ 21 (88%) N-formylmethionine โ 24 (100%) Formyl โ
ENERGY MIT-2023
โ buzzed WRONG ยท buzz @ word 27/44 (63% in)
Researchers in the Francis Bitter Magnet Laboratory at MIT are studying magnetism. Curieโs law is an emperical law that relates the magnetic susceptibility of paramagnetic materials to their ๐ temperature. According to Curieโs law, the magnetic susceptibility is proportional to temperature raised to what power?
gold answer: โ1
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (14%) โ 9 (21%) โ 12 (28%) Curie temperature โ 15 (35%) โ 18 (42%) โ 21 (49%) susceptibility โ 24 (56%) Temperature โ 27 (63%) Temperature โ 30 (70%) โ 33 (77%) โ 36 (84%) inversely proportional to temperature โ 39 (91%) inversely proportional โ 42 (98%) Negative one โ 43 (100%) -1 โ
EARTH_SPACE NWI-2025
โ buzzed WRONG ยท buzz @ word 12/20 (63% in)
A perched aquifer does not drain down towards the water table because groundwater ๐ flow is blocked by what low-permeability layer?
gold answer: Aquiclude / Aquitard
heard bot's guess P(correct) 0 (0%) โ 3 (16%) โ 6 (32%) โ 9 (47%) table โ 12 (63%) sits on an impermeable layer โ 15 (79%) aquitard โ 18 (95%) aquitard โ 19 (100%) aquitard โ
BIOLOGY Dasoni Comp1
โ buzzed WRONG ยท buzz @ word 9/15 (64% in)
Excess neurotransmitter is removed from the synaptic cleft by what ๐ type of glial [GLEE-ul] cell?
gold answer: ASTROCYTES
heard bot's guess P(correct) 0 (0%) โ 3 (21%) โ 6 (43%) cleft โ 9 (64%) reuptake โ 12 (86%) Astrocytes โ 14 (100%) Astrocytes โ
PHYSICS Prometheus 2021
โ buzzed WRONG ยท buzz @ word 24/38 (65% in)
A positively charged object is attracted by a rod 1 meter away. If the charges of both objects are doubled, what new distance from the ๐ rod, in meters, would create a force with half the strength as before?
gold answer: 8
heard bot's guess P(correct) 0 (0%) โ 3 (8%) โ 6 (16%) โ 9 (24%) โ 12 (32%) โ 15 (41%) โ 18 (49%) โ 21 (57%) ๐งฎ 2 โ 24 (65%) ๐งฎ 2 โ 27 (73%) ๐งฎ 2 โ 30 (81%) ๐งฎ 2 โ 33 (89%) ๐งฎ 2.828 โ 36 (97%) ๐งฎ 2.828 โ 37 (100%) ๐งฎ 2.828 โ
PHYSICS Prometheus 2023
โ buzzed WRONG ยท buzz @ word 27/42 (66% in)
A light beam in air with frequency 6.0 ร 1014 Hz goes into glass, which has an index of refraction of 1.5. In scientific notation to two significant ๐ figures and in hertz, what is the frequency of the light in the glass?
gold answer: 6.0 ร 1014
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (15%) โ 9 (22%) ๐งฎ 5e-07 โ 12 (29%) โ 15 (37%) ๐งฎ 3.333e-07 โ 18 (44%) ๐งฎ 3.333e-07 โ 21 (51%) ๐งฎ 333.3 โ 24 (59%) ๐งฎ 3.333e-07 โ 27 (66%) ๐งฎ 3.333e-07 โ 30 (73%) ๐งฎ 3.333e-07 โ 33 (80%) ๐งฎ 600000000000000 โ 36 (88%) ๐งฎ 600000000000000 โ 39 (95%) ๐งฎ 600000000000000 โ 41 (100%) ๐งฎ 600000000000000 โ
EARTH_SPACE Berkeley-2023
โ buzzed WRONG ยท buzz @ word 15/23 (68% in)
The magnetic field strength of the sun can be measured by the relative splitting of the ๐ sunโs spectrum. This relies on what effect?
gold answer: ZEEMAN EFFECT
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (27%) โ 9 (41%) โ 12 (55%) Zeeman effect โ 15 (68%) spectral lines โ 18 (82%) Zeeman effect โ 21 (95%) Zeeman effect โ 22 (100%) Zeeman effect โ
ENERGY Cast
โ buzzed WRONG ยท buzz @ word 15/23 (68% in)
Researchers at Los Alamos National Laboratory are studying protein folding and unfolding. On what level of ๐ protein folding are zinc fingers found in?
gold answer: SECONDARY STRUCTURE
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (27%) โ 9 (41%) โ 12 (55%) โ 15 (68%) Tertiary โ 18 (82%) โ 21 (95%) Tertiary โ 22 (100%) Tertiary โ
EARTH_SPACE SSBT-2023
โ buzzed WRONG ยท buzz @ word 15/23 (68% in)
When temperatures in clouds reach below freezing in certain conditions, water vapor begins to deposit directly ๐ onto existing ice crystals via what process?
gold answer: BERGERON PROCESS
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (27%) โ 9 (41%) โ 12 (55%) deposition โ 15 (68%) Ice crystals โ 18 (82%) Bergeron process โ 21 (95%) Bergeron process โ 22 (100%) Bergeron process โ
EARTH_SPACE MHS Rounds
โ buzzed WRONG ยท buzz @ word 9/14 (69% in)
What is the term for when an inferior planetโs position ๐ is farthest from Earth?
gold answer: SUPERIOR CONJUNCTION
heard bot's guess P(correct) 0 (0%) โ 3 (23%) โ 6 (46%) โ 9 (69%) conjunction โ 12 (92%) Greatest elongation โ 13 (100%) Superior conjunction โ
EARTH_SPACE Walton Rounds
โ buzzed WRONG ยท buzz @ word 18/27 (69% in)
If the distance between the Earth and the Sun is 150 million km, then what is the distance in ๐ kilometers between the Earth and its L4 point?
gold answer: 150 MILLION
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (23%) โ 9 (35%) โ 12 (46%) โ 15 (58%) ๐งฎ 500 โ 18 (69%) ๐งฎ 8.333 โ 21 (81%) โ 24 (92%) ๐งฎ 1.5e+06 โ 26 (100%) ๐งฎ 150000000 โ
MATH Prometheus 2021
โ buzzed WRONG ยท buzz @ word 27/40 (69% in)
Three concentric circles have radii [RAY-dee-eye] of lengths 5, 7, and 10. A region in this shape is shaded if it is contained within an odd number of ๐ circles. What is the area of the shaded regions of this shape?
gold answer: 76ฯ BONUS xy [the limit as x, y
heard bot's guess P(correct) 0 (0%) โ 3 (8%) โ 6 (15%) โ 9 (23%) ๐งฎ 8/27 โ 12 (31%) โ 15 (38%) ๐งฎ 6/25 โ 18 (46%) ๐งฎ 19/25 โ 21 (54%) ๐งฎ 76 โ 24 (62%) ๐งฎ 76 โ 27 (69%) ๐งฎ 76 โ 30 (77%) ๐งฎ 238.8 โ 33 (85%) ๐งฎ 238.8 โ 36 (92%) ๐งฎ 238.8 โ 39 (100%) ๐งฎ 238.8 โ
BIOLOGY dast-2025
โ buzzed WRONG ยท buzz @ word 18/27 (69% in)
Which of the two main types of slime molds consists of a large cell with thousands of nuclei within ๐ a single membrane without walls, forming a syncytium
gold answer: CELLULAR SLIME MOLDS / MYXOGASTRIA
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (23%) โ 9 (35%) โ 12 (46%) Plasmodial slime molds โ 15 (58%) Plasmodial slime molds โ 18 (69%) Plasmodial slime molds โ 21 (81%) Plasmodial slime molds โ 24 (92%) Plasmodial slime molds โ 26 (100%) Plasmodial slime molds โ
CHEMISTRY MIT-2024
โ buzzed WRONG ยท buzz @ word 18/27 (69% in)
The cation in Meerweinโs salt, a common methylating agent, is an example of what type of chemical species where ๐ the oxygen atom carries a positive formal charge?
gold answer: Oxonium / Oxonium cation, Oxonium ion
heard bot's guess P(correct) 0 (0%) โ 3 (12%) Trimethyloxonium โ 6 (23%) Triethyloxonium โ 9 (35%) Trimethyloxonium โ 12 (46%) oxocarbenium ion โ 15 (58%) Oxocarbenium ion... wait โ 18 (69%) Oxocarbenium ion... wait โ 21 (81%) Oxocarbenium ion โ 24 (92%) Oxocarbenium ion โ 26 (100%) Oxocarbenium ion... actually, Me โ
MATH Dasoni Standard1
โ buzzed WRONG ยท buzz @ word 33/48 (70% in)
On each of the three days from Monday to Wednesday, the probability of rain is 40%. Given that the occurrence of rain on any two days is independent, what is the probability that there ๐ is no rain on any of the days? Express your answer as a fraction.
gold answer: 27/125
heard bot's guess P(correct) 0 (0%) โ 3 (6%) โ 6 (13%) โ 9 (19%) โ 12 (26%) โ 15 (32%) ๐งฎ 98/125 โ 18 (38%) ๐งฎ 4/49 โ 21 (45%) โ 24 (51%) ๐งฎ 44/125 โ 27 (57%) ๐งฎ 44/125 โ 30 (64%) ๐งฎ 44/125 โ 33 (70%) ๐งฎ 44/125 โ 36 (77%) ๐งฎ 27/125 โ 39 (83%) ๐งฎ 27/125 โ 42 (89%) ๐งฎ 27/125 โ 45 (96%) ๐งฎ 27/125 โ 47 (100%) ๐งฎ 27/125 โ
CHEMISTRY Dasoni Comp1
โ buzzed WRONG ยท buzz @ word 12/18 (71% in)
The most general formulation of the equilibrium constant expresses reactants and products in ๐ terms of what thermodynamic property?
gold answer: ACTIVITY
heard bot's guess P(correct) 0 (0%) โ 3 (18%) โ 6 (35%) โ 9 (53%) Activities โ 12 (71%) activities โ 15 (88%) activities โ 17 (100%) Activity โ
OTHER BASED-2025
โ buzzed WRONG ยท buzz @ word 15/22 (71% in)
Alex has been overwriting isotope questions. In years, estimate the order of magnitude of the longest ๐ known half-life of a radioactive isotope.
gold answer: 24
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (29%) โ 9 (43%) โ 12 (57%) โ 15 (71%) 10^21 years โ 18 (86%) The longest known half-life belongs to tellurium- โ 21 (100%) 10^24 โ
EARTH_SPACE ICSBT-2025
โ buzzed WRONG ยท buzz @ word 18/25 (75% in)
The cooling of white dwarfs and neutron stars is partially thought to take place due to the release of ๐ neutrinos via what type of process?
gold answer: Urca process
heard bot's guess P(correct) 0 (0%) โ 3 (12%) Black dwarf โ 6 (25%) โ 9 (38%) โ 12 (50%) โ 15 (62%) neutrino emission โ 18 (75%) neutrinos โ 21 (88%) URCA process โ 24 (100%) Urca process โ
EARTH_SPACE SMH-2025
โ buzzed WRONG ยท buzz @ word 18/25 (75% in)
Select all of the following three types of type I supernovae that contain hydrogen spectral lines: 1. Type Ia ๐ 2. Type Ib 3. Type Ic
gold answer: None
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (25%) โ 9 (38%) โ 12 (50%) โ 15 (62%) None โ 18 (75%) 2 and 3 โ 21 (88%) 3 only โ 24 (100%) 2 and 3 โ
ENERGY SBL
โ buzzed WRONG ยท buzz @ word 27/37 (75% in)
Scientists at Lawrence Berkeley National Lab have been developing methods for performing artificial photosynthesis. In these methods, titanium dioxide is used for the water-splitting reaction that is traditionally ๐ catalyzed by what enzyme within photosystem 2 in plants?
gold answer: OXYGEN-EVOLVING COMPLEX / WATER-SPLITTING COMPLEX
heard bot's guess P(correct) 0 (0%) โ 3 (8%) โ 6 (17%) โ 9 (25%) โ 12 (33%) photosynthesis โ 15 (42%) โ 18 (50%) Titanium dioxide โ 21 (58%) water splitting โ 24 (67%) Hydrogen โ 27 (75%) Oxygen โ 30 (83%) Oxygen-evolving complex โ 33 (92%) Oxygen-evolving complex โ 36 (100%) Oxygen-evolving complex โ
BIOLOGY NSBA2
โ buzzed WRONG ยท buzz @ word 18/24 (78% in)
Order the following four components of the light-dependent reactions from first to last. 1) Plastoquinone 2) Photosystem 1 3) ๐ Photosystem 2 4) Cytochrome b6f
gold answer: 3, 1, 4, 2
heard bot's guess P(correct) 0 (0%) โ 3 (13%) โ 6 (26%) โ 9 (39%) โ 12 (52%) โ 15 (65%) The light-dependent reactions โ 18 (78%) The light-dependent reactions โ 21 (91%) The correct order of the light-dependent reactions โ 23 (100%) 3, 1, 4, 2 โ
ENERGY NWI-2025
โ buzzed WRONG ยท buzz @ word 24/31 (80% in)
In an object oriented programming language, a subclass may inherit from a superclass. What is the term used to describe an object created using the ๐ subclass but defined with the superclass?
gold answer: POLYMORPHISM
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (20%) โ 9 (30%) โ 12 (40%) โ 15 (50%) โ 18 (60%) Inheritance โ 21 (70%) โ 24 (80%) instance โ 27 (90%) โ 30 (100%) Polymorphism โ
MATH MIT-2022
โ buzzed WRONG ยท buzz @ word 45/57 (80% in)
By name or number, identify all of the following three measurements that are always sufficient to determine the circumradius of a triangle: 1) The measure of two specific angles and the length of a specific side 2) The measure of one specific angle and the length ๐ of two specific sides 3) The lengths of any three sides
gold answer: 1, 2, 3 / All
heard bot's guess P(correct) 0 (0%) โ 3 (5%) โ 6 (11%) โ 9 (16%) โ 12 (21%) โ 15 (27%) โ 18 (32%) โ 21 (38%) โ 24 (43%) โ 27 (48%) โ 30 (54%) 1 and 2 โ 33 (59%) 1 and 2 โ 36 (64%) 1 and 2 โ 39 (70%) 1 and 2 โ 42 (75%) 1 and 2 โ 45 (80%) 1 and 2 โ 48 (86%) 1 and 2 โ 51 (91%) โ 54 (96%) 1 and 3 โ 56 (100%) 1 and 3 โ
PHYSICS WISC-2021
โ buzzed WRONG ยท buzz @ word 54/68 (81% in)
There are three tuning forks. The first one is tuned at a frequency of 250 Hertz, and second one is tuned at a frequency of 242 Hertz. When the first and third forks are beat, you hear a beat frequency of 15 Hertz. When the second and third forks are beat, you hear a beat ๐ frequency of 7 Hertz. What is the frequency of the third fork? [SA]
gold answer: 235 HERTZ
heard bot's guess P(correct) 0 (0%) โ 3 (4%) โ 6 (9%) โ 9 (13%) โ 12 (18%) โ 15 (22%) โ 18 (27%) โ 21 (31%) โ 24 (36%) โ 27 (40%) 8 Hz โ 30 (45%) 8 Hz โ 33 (49%) โ 36 (54%) โ 39 (58%) โ 42 (63%) โ 45 (67%) โ 48 (72%) The third fork is either 250+15=265 โ 51 (76%) The third fork is either 250+15=265 โ 54 (81%) The third fork is either 250+15=265 โ 57 (85%) ๐งฎ 235 โ 60 (90%) ๐งฎ 235 โ 63 (94%) ๐งฎ 235 โ 66 (99%) ๐งฎ 235 โ 67 (100%) ๐งฎ 235 โ
CHEMISTRY CSUB
โ buzzed WRONG ยท buzz @ word 21/27 (81% in)
First noticed by Faraday in 1857, what is the name for the phenomenon which occurs when light becomes polarized after it is ๐ passed through a colloidal suspension?
gold answer: THE TYNDAL EFFECT
heard bot's guess P(correct) 0 (0%) โ 3 (12%) Faraday effect โ 6 (23%) Gold nanoparticles โ 9 (35%) โ 12 (46%) Faraday effect โ 15 (58%) Tyndall effect โ 18 (69%) Faraday effect โ 21 (81%) Faraday effect โ 24 (92%) Faraday effect โ 26 (100%) Tyndall effect โ
BIOLOGY MIT-2022
โ buzzed WRONG ยท buzz @ word 27/34 (82% in)
By name or number, identify all of the following four blood components that are present in the buffy coat after blood centrifugation: 1) Plasma 2) White blood cells ๐ 3) Red blood cells 4) Platelets
gold answer: 2 and 4
heard bot's guess P(correct) 0 (0%) โ 3 (9%) โ 6 (18%) โ 9 (27%) โ 12 (36%) โ 15 (45%) โ 18 (55%) The buffy coat contains white blood cells โ 21 (64%) The buffy coat contains white blood cells โ 24 (73%) 2 and 3 โ 27 (82%) 2 and 3 โ 30 (91%) 2 and 4 โ 33 (100%) 2 and 4 โ
EARTH_SPACE Prometheus 2023
โ buzzed WRONG ยท buzz @ word 18/23 (82% in)
Identify all of the following three front types that involve at least one cold air mass: 1) Occluded [uh-CLOO-did]; ๐ 2) Stationary; 3) Warm.
gold answer: All
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (27%) โ 9 (41%) โ 12 (55%) โ 15 (68%) I and II and III โ 18 (82%) 1 and 3 โ 21 (95%) 1 and 3 โ 22 (100%) 1 and 2 โ
CHEMISTRY BASED-2025
โ buzzed WRONG ยท buzz @ word 9/12 (82% in)
Identify the hybridization of the central carbon atom in hydrogen ๐ cyanide, HCN.
gold answer: SP HYBRIDIZED
heard bot's guess P(correct) 0 (0%) โ 3 (27%) โ 6 (55%) โ 9 (82%) spยณ โ 11 (100%) sp โ
CHEMISTRY WSBT
โ buzzed WRONG ยท buzz @ word 39/47 (85% in)
Identify all of the following 3 statements which are correct regarding Fischer indole synthesis. 1) Fischer Synthesis can occur when phenylhydrazine is reacted with cyclohexanone 2) Boron Trifluoride can be utilized as a catalyst for this synthesis 3) A single ๐ indole will be formed in Fischer Synthesis
gold answer: 2 AND 3 Written by APLegends1#3363/Org (Clayden)
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (13%) โ 9 (20%) โ 12 (26%) โ 15 (33%) โ 18 (39%) โ 21 (46%) โ 24 (52%) 1 and 2 โ 27 (59%) โ 30 (65%) 1 and 2 โ 33 (72%) 1 and 2 โ 36 (78%) 1 and 2 โ 39 (85%) 1 and 2 โ 42 (91%) 1 and 2 โ 45 (98%) 1 and 2 โ 46 (100%) 1 and 2 โ
PHYSICS Random Stuff
โ buzzed WRONG ยท buzz @ word 18/22 (86% in)
By name or number, rank the following particles by increasing mass: 1) tau neutrino 2) electron neutrino 3) Higgs ๐ boson 4) muon
gold answer: 2 1 4 3
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (29%) โ 9 (43%) โ 12 (57%) โ 15 (71%) โ 18 (86%) 2, 1, 3 โ 21 (100%) The ranking by increasing mass: โ
BIOLOGY dast-2025
โ buzzed WRONG ยท buzz @ word 30/36 (86% in)
Which of the following four are not true of cancer cells? 1) They are capable of chemotaxis 2) They exhibit anchorage dependence 3) They have undergone a process known as โtransformationโ ๐ 4) They exhibit density-dependent inhibition
gold answer: 2 AND 4
heard bot's guess P(correct) 0 (0%) โ 3 (9%) โ 6 (17%) โ 9 (26%) โ 12 (34%) โ 15 (43%) โ 18 (51%) โ 21 (60%) 2 and 4 โ 24 (69%) 2 and 3 โ 27 (77%) 2) They exhibit anchorage dependence โ 30 (86%) 1 and 2 โ 33 (94%) 2 โ 35 (100%) 2 and 4 โ
ENERGY Berkeley-2023
โ buzzed WRONG ยท buzz @ word 51/59 (88% in)
Scientists in the Sarpong Lab at UC Berkeley are focused on developing new mechanisms for total synthesis of various natural products. While investigating the kinetics of a substitution reaction where methanol is reacted with 2-bromo-2-methyl pentane, how much is the reaction rate scaled by if the concentration of methanol is doubled while ๐ the concentration of the alkane is halved?
gold answer: ONE HALF
heard bot's guess P(correct) 0 (0%) โ 3 (5%) โ 6 (10%) โ 9 (16%) โ 12 (21%) โ 15 (26%) synthesis โ 18 (31%) โ 21 (36%) โ 24 (41%) โ 27 (47%) โ 30 (52%) โ 33 (57%) โ 36 (62%) โ 39 (67%) โ 42 (72%) โ 45 (78%) โ 48 (83%) ๐งฎ 1 โ 51 (88%) ๐งฎ 1 โ 54 (93%) ๐งฎ 1 โ 57 (98%) ๐งฎ 1 โ 58 (100%) ๐งฎ 1/2 โ
PHYSICS DAST1
โ buzzed WRONG ยท buzz @ word 39/45 (89% in)
What shape is formed when light passes through an object where each infinitesimally thin layer of the object has an index of refraction that varies with the sine of the angle that light approaches it divided by the speed of ๐ the light at the instant?
gold answer: BRACHISTOCHRONE
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (14%) โ 9 (20%) โ 12 (27%) โ 15 (34%) โ 18 (41%) โ 21 (48%) โ 24 (55%) Mirage โ 27 (61%) โ 30 (68%) โ 33 (75%) Mirage โ 36 (82%) Mirage โ 39 (89%) Mirage โ 42 (95%) circle โ 44 (100%) โ
EARTH_SPACE Prometheus 2023
โ buzzed WRONG ยท buzz @ word 24/28 (89% in)
Identify all of the following three phenomena that can significantly alter the spin of a spiral-barred galaxy: 1) Galactic merger; 2) Central supermassive black hole; ๐ 3) Non-uniform halo.
gold answer: 1 only
heard bot's guess P(correct) 0 (0%) โ 3 (11%) โ 6 (22%) โ 9 (33%) โ 12 (44%) โ 15 (56%) โ 18 (67%) โ 21 (78%) 1 and 2 โ 24 (89%) 1 and 2 โ 27 (100%) 1 and 3 โ
ENERGY SBST
โ buzzed WRONG ยท buzz @ word 21/24 (91% in)
Argonne National Lab scientists are studying the residual stress evolution of silicon carbide ceramics upon heat treatment. Silicon carbide adopts what 8-atom ๐ crystal structure?
gold answer: DIAMOND CUBIC
heard bot's guess P(correct) 0 (0%) โ 3 (13%) โ 6 (26%) โ 9 (39%) โ 12 (52%) โ 15 (65%) โ 18 (78%) โ 21 (91%) zinc blende structure โ 23 (100%) Zinc blende โ
BIOLOGY Moose
โ buzzed WRONG ยท buzz @ word 21/24 (91% in)
Identify all of the following three amino acids that contain at least one 5-membered ring: 1) Tryptophan [TRIP-tow-fan]; 2) Histidine [HISS-ti-deen]; 3) ๐ Proline [PRO-leen]
gold answer: ALL
heard bot's guess P(correct) 0 (0%) โ 3 (13%) โ 6 (26%) โ 9 (39%) โ 12 (52%) โ 15 (65%) โ 18 (78%) 1 and 2 โ 21 (91%) 1 and 2 โ 23 (100%) All three โ
PHYSICS NNHS Rounds
โ buzzed WRONG ยท buzz @ word 12/14 (92% in)
What type of matter has a density and temperature between plasma and condensed ๐ matter?
gold answer: WARM DENSE MATTER / WDM
heard bot's guess P(correct) 0 (0%) โ 3 (23%) โ 6 (46%) โ 9 (69%) โ 12 (92%) Degenerate matter โ 13 (100%) Degenerate matter โ
MATH MIT-2021
โ buzzed WRONG ยท buzz @ word 24/27 (92% in)
A rhombus has a side length of 20, and contains an angle measuring 60 degrees. What is the length of the longest diagonal of the ๐ rhombus? โ
gold answer: 20 3
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (23%) โ 9 (35%) ๐งฎ 320 โ 12 (46%) ๐งฎ 346.4 โ 15 (58%) ๐งฎ 346.4 โ 18 (69%) ๐งฎ 34.64 โ 21 (81%) ๐งฎ 34.64 โ 24 (92%) ๐งฎ 34.64 โ 26 (100%) ๐งฎ 34.64 โ
MATH CSBL
โ buzzed WRONG ยท buzz @ word 12/14 (92% in)
Let f(x) = 2x3 + 3. What is the degree of the polynomial ๐ f(x)3?
gold answer: 9
heard bot's guess P(correct) 0 (0%) โ 3 (23%) โ 6 (46%) ๐งฎ 2 โ 9 (69%) ๐งฎ 3 โ 12 (92%) ๐งฎ 3 โ 13 (100%) ๐งฎ 9 โ
ENERGY CCWTWO
โ buzzed WRONG ยท buzz @ word 15/17 (94% in)
By name or number, order the following coal types in increasing carbon content: Bituminous, lignite, peat, ๐ anthracite
gold answer: Peat, lignite, bituminous, anthracite
heard bot's guess P(correct) 0 (0%) โ 3 (19%) โ 6 (38%) โ 9 (56%) โ 12 (75%) โ 15 (94%) Peat, lignite, bituminous, anth โ 16 (100%) Peat, lignite, bituminous, anth โ
CHEMISTRY Walton Rounds
โ buzzed WRONG ยท buzz @ word 21/23 (95% in)
Identify all of the following that would burn green when subjected to a flame test: 1) Lithium, 2) Barium, 3) Calcium, 4) ๐ Boron
gold answer: 2 AND 4 / BARIUM AND BORON
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (27%) โ 9 (41%) โ 12 (55%) โ 15 (68%) โ 18 (82%) 2 only โ 21 (95%) 2 only โ 22 (100%) 2 and 4 โ
EARTH_SPACE SBL
โ buzzed WRONG ยท buzz @ word 24/26 (96% in)
Identify all of the following three solar system bodies that are known to have permanent polar ice caps: 1) Mars; 2) The Earthโs moon; 3) ๐ Venus.
gold answer: 1 ONLY
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (24%) โ 9 (36%) โ 12 (48%) โ 15 (60%) โ 18 (72%) โ 21 (84%) 1 and 2 โ 24 (96%) 1 and 2 โ 25 (100%) 1 and 2 โ
MATH MIT-2023
โ buzzed WRONG ยท buzz @ word 30/32 (97% in)
What is the maximum value over real values of x for the expression esin (x)+cos (x) (read: e raised to the power of the quantity sine x plus cosine x )? ๐ โ
gold answer: e 2
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (19%) โ 9 (29%) โ 12 (39%) โ 15 (48%) I need to maximize e^(sin(x) + โ 18 (58%) I need to maximize e^(sin(x) + โ 21 (68%) I need to maximize sin(x) + cos(x โ 24 (77%) I need to maximize sin(x) + cos(x โ 27 (87%) The maximum of sin(x) + cos(x) โ 30 (97%) The maximum of sin(x) + cos(x) โ 31 (100%) The maximum of sin(x) + cos(x) โ
EARTH_SPACE LexSciBowl
โ buzzed WRONG ยท buzz @ word 28/29 (100% in)
By name or number, order the following four astronomical bodies in increasing order of energy per photon emitted: 1) crab pulsar, 2) quasar 3C 273, 3) Betelgeuse, 4) Rigel. ๐
gold answer: 2, 3, 4, 1
heard bot's guess P(correct) 0 (0%) โ 3 (11%) โ 6 (21%) โ 9 (32%) โ 12 (43%) โ 15 (54%) โ 18 (64%) โ 21 (75%) โ 24 (86%) โ 27 (96%) โ 28 (100%) 3, 1, 4, 2 โ
MATH CSUB
โ buzzed WRONG ยท buzz @ word 21/22 (100% in)
Of the following 5 angles, which pair of angles are coterminal with one another: 50ยฐ; -50ยฐ; 50ยฐ + 2(360ยฐ); 11/3 rev; 0ยฐ ๐
gold answer: 50ยฐ AND 50ยฐ + 2(360ยฐ) BONUS 2
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (29%) โ 9 (43%) โ 12 (57%) โ 15 (71%) โ 18 (86%) ๐งฎ 50ยฐ and 50ยฐ + 2(360ยฐ) โ 21 (100%) 50ยฐ and 50ยฐ + 2(360 โ
CHEMISTRY NNHS Rounds
โ buzzed WRONG ยท buzz @ word 22/23 (100% in)
Identify all of the following three compounds that have the same empirical formula as formic acid: 1) Acetic acid; 2) Glucose; 3) 1-propanol. ๐
gold answer: NONE
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (27%) โ 9 (41%) โ 12 (55%) โ 15 (68%) Formic acid is HCOOH, empirical โ 18 (82%) Formic acid is HCOOH, empirical โ 21 (95%) ๐งฎ 1 and 2 โ 22 (100%) Formic acid: HCOOH โ CH โ
CHEMISTRY SSBT-2023
โ buzzed WRONG ยท buzz @ word 15/16 (100% in)
Rank the following three ions in increasing ionic radii: 1) F-; 2) Na +; 3) Mg2+. ๐
gold answer: 3 2 1 VISUAL
heard bot's guess P(correct) 0 (0%) โ 3 (20%) โ 6 (40%) โ 9 (60%) โ 12 (80%) The three ions are Fโป, Na โ 15 (100%) 2, 3, 1 โ
EARTH_SPACE random
โ buzzed WRONG ยท buzz @ word 9/10 (100% in)
What ion is the primary weak base in ocean water? ๐
gold answer: BICARBONATE / HYDROGEN CARBONATE, HCO3 -
heard bot's guess P(correct) 0 (0%) โ 3 (33%) โ 6 (67%) โ 9 (100%) Carbonate ion โ
PHYSICS WISC-2021
โ buzzed WRONG ยท buzz @ word 37/38 (100% in)
Identify all of the following three statements which are true about Compton scattering: 1) It is inelastic; 2) The wavelength shift decreases as the scattering angle increases; 3) The scattering is usually caused by a charged particle. [SA] ๐
gold answer: 1 AND 3
heard bot's guess P(correct) 0 (0%) โ 3 (8%) โ 6 (16%) โ 9 (24%) โ 12 (32%) โ 15 (41%) โ 18 (49%) โ 21 (57%) โ 24 (65%) โ 27 (73%) 1 only โ 30 (81%) 1 only โ 33 (89%) 1 and 3 โ 36 (97%) Let me analyze each statement: โ 37 (100%) Let me analyze each statement: โ
MATH texas_sci_bowl_2025
โ buzzed WRONG ยท buzz @ word 9/10 (100% in)
What is the tangent of the arccosine of 3/7? โ ๐
gold answer: 2 310
heard bot's guess P(correct) 0 (0%) โ 3 (33%) โ 6 (67%) โ 9 (100%) If arccos(3/7) = ฮธ, โ
MATH GWHS Rounds
โ buzzed WRONG ยท buzz @ word 9/10 (100% in)
What is the absolute value of 13 โ 13 ๐? ๐
gold answer: 1
heard bot's guess P(correct) 0 (0%) โ 3 (33%) โ 6 (67%) ๐งฎ 13 โ 9 (100%) ๐งฎ 18.38 โ
EARTH_SPACE ICSBT-2025
โ buzzed WRONG ยท buzz @ word 18/19 (100% in)
Order the following three igneous rocks in terms of increasing speed of crystallization: 1) Dacite; 2) Diabase; 3) Tachylite. ๐
gold answer: 2, 1, 3
heard bot's guess P(correct) 0 (0%) โ 3 (17%) โ 6 (33%) โ 9 (50%) โ 12 (67%) โ 15 (83%) โ 18 (100%) The three rocks: โ
MATH NWI-2025
โ buzzed WRONG ยท buzz @ word 7/8 (100% in)
What is the value of 115 mod 7? ๐
gold answer: 4
heard bot's guess P(correct) 0 (0%) โ 3 (43%) โ 6 (86%) โ 7 (100%) ๐งฎ 3 โ
MATH THUMB-2025
โ buzzed WRONG ยท buzz @ word 9/10 (100% in)
What is the 10th derivative of the cosine of 2x? ๐
gold answer: -1024cos(2x)
heard bot's guess P(correct) 0 (0%) โ 3 (33%) ๐งฎ 55 โ 6 (67%) โ 9 (100%) ๐งฎ -1024 โ
MATH BTHS-2025
โ abstained (never confident) ยท no buzz
What is the determinant of the 2x2 matrix with first row [5, 3] and second row [2, 8]?
gold answer: 34
heard bot's guess P(correct) 0 (0%) โ 3 (18%) โ 6 (35%) โ 9 (53%) โ 12 (71%) โ 15 (88%) ๐งฎ -2 โ 17 (100%) ๐งฎ 34 โ
MATH Cast
โ abstained (never confident) ยท no buzz
What is the area of an equilateral triangle with side length 2?
gold answer: โ3
heard bot's guess P(correct) 0 (0%) โ 3 (27%) โ 6 (55%) โ 9 (82%) โ 11 (100%) ๐งฎ 1.732 โ
MATH Dasoni Standard1
โ abstained (never confident) ยท no buzz
What is sixty four raised to the power of quantity log base twenty seven of nine end quantity?
gold answer: 16
heard bot's guess P(correct) 0 (0%) โ 3 (18%) โ 6 (35%) โ 9 (53%) โ 12 (71%) โ 15 (88%) I need to find 64^(logโ โ 17 (100%) I need to compute 64^(logโ โ
PHYSICS Dasoni Comp1
โ abstained (never confident) ยท no buzz
A machine stores energy by producing a magnetic field inside a spherical glitter bead. If the radius of the glitter bead is quadrupled and the strength of the magnetic field is halved, how many times more energy can this new machine store?
gold answer: 16
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (15%) โ 9 (22%) inductor โ 12 (29%) โ 15 (37%) โ 18 (44%) โ 21 (51%) โ 24 (59%) โ 27 (66%) โ 30 (73%) โ 33 (80%) โ 36 (88%) โ 39 (95%) โ 41 (100%) โ
MATH ICSBT-2025
โ abstained (never confident) ยท no buzz
Dole and Chiquita are playing a game with Dole going first. Each turn, one of them rolls two six-sided dice. Whoever rolls two prime numbers first wins. What is the probability that the winner is Chiquita?
gold answer: 3/7
heard bot's guess P(correct) 0 (0%) โ 3 (9%) โ 6 (17%) โ 9 (26%) โ 12 (34%) โ 15 (43%) โ 18 (51%) โ 21 (60%) โ 24 (69%) โ 27 (77%) โ 30 (86%) โ 33 (94%) โ 35 (100%) โ
PHYSICS MIT-2021
โ abstained (never confident) ยท no buzz
What is the Youngโs Modulus of a rod of length 3 meters if it shrinks by 1.5 centimeters lengthwise under a pressure of 30 pascals?
gold answer: 60,000 pascals
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (25%) โ 9 (38%) โ 12 (50%) โ 15 (62%) โ 18 (75%) โ 21 (88%) โ 24 (100%) ๐งฎ 6000 โ
MATH MIT-2024
โ abstained (never confident) ยท no buzz
What is the sum of the cubes of โ1 through 9, inclusive?
gold answer: 2024
heard bot's guess P(correct) 0 (0%) โ 3 (27%) โ 6 (55%) โ 9 (82%) โ 11 (100%) ๐งฎ 2024 โ
MATH NNHS Rounds
โ abstained (never confident) ยท no buzz
If rotations and reflections are considered equivalent, then how many ways are there to pick two of the six faces of a white cube and paint them blue?
gold answer: 2
heard bot's guess P(correct) 0 (0%) โ 3 (11%) โ 6 (22%) โ 9 (33%) โ 12 (44%) โ 15 (56%) โ 18 (67%) โ 21 (78%) โ 24 (89%) โ 27 (100%) โ
MATH SCB-2025
โ abstained (never confident) ยท no buzz
In a certain probability distribution, the value 20 has a z-score of 1.2, and the value 11 has a z-score of -.6. What is the standard deviation of this distribution?
gold answer: 5
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (21%) โ 9 (31%) โ 12 (41%) โ 15 (52%) โ 18 (62%) โ 21 (72%) ๐งฎ (Fraction(14, 1), Fraction(5, 1)) โ 24 (83%) ๐งฎ 14 โ 27 (93%) ๐งฎ 5 โ 29 (100%) ๐งฎ 5 โ
PHYSICS Stanford_2025
โ abstained (never confident) ยท no buzz
To the nearest second and neglecting air resistance, how long will it take for a ball to hit the ground if it is dropped from a tower of height 20 meters?
gold answer: 2
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (20%) โ 9 (30%) โ 12 (40%) โ 15 (50%) โ 18 (60%) โ 21 (70%) โ 24 (80%) โ 27 (90%) โ 30 (100%) ๐งฎ 2 โ
MATH SMH-2025
โ abstained (never confident) ยท no buzz
A ball is dropped from a height of 4 meters. On each bounce, it bounces up to 1/3 of the previous height it bounced up to. How many times has it bounced when the ball first fails to bounce to a height of 0.1 meters?
gold answer: 4
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (14%) โ 9 (20%) โ 12 (27%) โ 15 (34%) ๐งฎ 20 โ 18 (41%) ๐งฎ 8 โ 21 (48%) ๐งฎ 8 โ 24 (55%) ๐งฎ 8 โ 27 (61%) โ 30 (68%) โ 33 (75%) โ 36 (82%) โ 39 (89%) ๐งฎ 2 โ 42 (95%) ๐งฎ 2 โ 44 (100%) ๐งฎ 4 โ
MATH dast-2025
โ abstained (never confident) ยท no buzz
What is the measure of the larger angle, in degrees, between the minute hand and the hour hand of a 12-hour clock at 3:58?
gold answer: 229
heard bot's guess P(correct) 0 (0%) โ 3 (13%) โ 6 (26%) โ 9 (39%) โ 12 (52%) โ 15 (65%) โ 18 (78%) โ 21 (91%) โ 23 (100%) ๐งฎ 1309 โ
BIOLOGY BASED-2025
โ abstained (never confident) ยท no buzz
Ethan is having a heated debate with a classmate about whether or not a potato is alive. By name or number, select all of the following four traits that are shared by all living organisms: 1. Ability to respond to stimuli 2. Ability to move 3. Ability to maintain homeostasis 4. Ability to reproduce
gold answer: 1, 3, AND 4
heard bot's guess P(correct) 0 (0%) โ 3 (6%) โ 6 (11%) โ 9 (17%) โ 12 (23%) โ 15 (28%) โ 18 (34%) โ 21 (40%) โ 24 (45%) โ 27 (51%) โ 30 (57%) โ 33 (62%) โ 36 (68%) โ 39 (74%) โ 42 (79%) โ 45 (85%) 1 and 3 and 4 โ 48 (91%) 1, 3 โ 51 (96%) 1 and 3 โ 53 (100%) 1, 3, 4 โ
MATH Dasoni Comp1
โ abstained (never confident) ยท no buzz
A sphenocorona (sfee-noh-cor-oh-nuh) is a polyhedron with 22 edges and 14 faces. How many vertices does it have?
gold answer: 10
heard bot's guess P(correct) 0 (0%) โ 3 (18%) โ 6 (35%) โ 9 (53%) ๐งฎ 14 โ 12 (71%) ๐งฎ 10 โ 15 (88%) ๐งฎ 10 โ 17 (100%) ๐งฎ -6 โ
CHEMISTRY MHS Rounds
โ abstained (never confident) ยท no buzz
Order the following 3 pericyclic reactions from least to greatest in the total change of the number of sigma bonds: 1) Sigmatropic; 2) Cycloaddition; 3) Electrocyclic.
gold answer: 1, 3, 2
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (24%) โ 9 (36%) โ 12 (48%) โ 15 (60%) โ 18 (72%) โ 21 (84%) โ 24 (96%) 1, 3, 2 โ 25 (100%) In pericyclic reactions: โ
MATH MIT-2025
โ abstained (never confident) ยท no buzz
Five students take an exam and all receive positive integer scores. Given that the unique mode of their scores is 5, what is the smallest possible mean of their scores?
gold answer: 16/5 / 3.2
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (21%) โ 9 (31%) โ 12 (41%) โ 15 (52%) โ 18 (62%) โ 21 (72%) โ 24 (83%) โ 27 (93%) ๐งฎ 16/5 โ 29 (100%) โ
MATH Moose
โ abstained (never confident) ยท no buzz
Right triangle ABC has legs of length 12 and 16. If a line is drawn from vertex B that intersects AC at P, how many different integer values can the length of BP be?
gold answer: 7
heard bot's guess P(correct) 0 (0%) โ 3 (9%) โ 6 (18%) โ 9 (27%) 20 โ 12 (36%) โ 15 (45%) ๐งฎ 48/5 โ 18 (55%) ๐งฎ 10 โ 21 (64%) ๐งฎ 48/5 โ 24 (73%) โ 27 (82%) 17 โ 30 (91%) โ 33 (100%) โ
CHEMISTRY NSBA1
โ abstained (never confident) ยท no buzz
Rank the following 3 salts in order of increasing solubility in water: 1) Lead chloride; 2) Calcium fluoride; 3) Barium acetate.
gold answer: 2, 1, 3
heard bot's guess P(correct) 0 (0%) โ 3 (15%) โ 6 (30%) โ 9 (45%) โ 12 (60%) โ 15 (75%) โ 18 (90%) โ 20 (100%) I need to rank PbClโ, C โ
EARTH_SPACE Random Stuff
โ abstained (never confident) ยท no buzz
By name or number, list all of the following species which are used by astronomers to map the distribution of gas in the interstellar medium due to their significant radio emission: 1) H2 2) H2O 3) He 4) CO
gold answer: 1, 4
heard bot's guess P(correct) 0 (0%) โ 3 (8%) โ 6 (16%) โ 9 (24%) โ 12 (32%) โ 15 (39%) โ 18 (47%) โ 21 (55%) โ 24 (63%) โ 27 (71%) โ 30 (79%) โ 33 (87%) โ 36 (95%) 2 and 3 โ 38 (100%) 2 and 4 โ
CHEMISTRY WISC-2021
โ abstained (never confident) ยท no buzz
Order the following three 0.1 molar solutions from lowest to highest pH: 1) Calcium cyanide; 2) Barium iodide; 3) Aluminum chloride. [JI]
gold answer: 3, 2, 1 (ALUMINUM CHLORIDE, BARIUM IODIDE, CALCIUM CYANIDE)
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (29%) โ 9 (43%) โ 12 (57%) โ 15 (71%) โ 18 (86%) โ 21 (100%) ๐งฎ 3, 2, 1 โ
CHEMISTRY Berkeley-2023
โ abstained (never confident) ยท no buzz
What is the name of the chemical moiety that distinguishes the nitrogenous bases uracil and thymine?
gold answer: METHYL GROUP
heard bot's guess P(correct) 0 (0%) โ 3 (20%) โ 6 (40%) โ 9 (60%) โ 12 (80%) โ 15 (100%) Methyl group โ
MATH CSUB
โ abstained (never confident) ยท no buzz
Calculate the following indefinite integral: I = โซ xe2x dx
gold answer: 1 2 x2 e + C / + Constant 4 Page 10
heard bot's guess P(correct) 0 (0%) โ 3 (33%) โ 6 (67%) โ 9 (100%) ๐งฎ x*e^(2x)/2 - e^(2x)/4 + C โ
CHEMISTRY LexSciBowl
โ abstained (never confident) ยท no buzz
By name or number, order the following three measures of speed for a sample of gas particles from least to greatest: 1) Average; 2) Root mean square; 3) Most common.
gold answer: 3, 1, 2
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (21%) โ 9 (31%) โ 12 (41%) โ 15 (52%) โ 18 (62%) โ 21 (72%) โ 24 (83%) 1, 3, 2 โ 27 (93%) 1, 3, 2 โ 29 (100%) 3, 1, 2 โ
ENERGY NNHS Rounds
โ abstained (never confident) ยท no buzz
Researchers at Lawrence Livermore National Lab are studying the production of acetaldehyde and hydrogen from ethanol using a silver catalyst at high temperatures. Identify all of the following three changes that would cause the equilibrium to shift towards the products: 1) Increasing pressure; 2) Adding more hydrogen; 3) Adding helium.
gold answer: NONE
heard bot's guess P(correct) 0 (0%) โ 3 (6%) โ 6 (12%) โ 9 (18%) โ 12 (24%) โ 15 (31%) โ 18 (37%) catalyst โ 21 (43%) temperature โ 24 (49%) โ 27 (55%) โ 30 (61%) โ 33 (67%) โ 36 (73%) โ 39 (80%) โ 42 (86%) โ 45 (92%) โ 48 (98%) I need to determine the reaction first โ 49 (100%) โ
CHEMISTRY SBST
โ abstained (never confident) ยท no buzz
Identify all of the following three molecules that have the same central carbon oxidation state as methanol: 1) Formic acid; 2) Formaldehyde; 3) Propene.
gold answer: NONE
heard bot's guess P(correct) 0 (0%) โ 3 (13%) โ 6 (26%) โ 9 (39%) โ 12 (52%) โ 15 (65%) โ 18 (78%) โ 21 (91%) โ 23 (100%) Let me calculate oxidation states: โ
MATH random
โ abstained (never confident) ยท no buzz
With respect to the axis of symmetry of the graph of y = x2 + 12x + 25, what are the coordinates of the point that is symmetric to the point (โ10, 5)?
gold answer: (โ2, 5)
heard bot's guess P(correct) 0 (0%) โ 3 (9%) โ 6 (19%) โ 9 (28%) โ 12 (38%) โ 15 (47%) ๐งฎ -6 โ 18 (56%) ๐งฎ -6 โ 21 (66%) ๐งฎ (-6, -11) โ 24 (75%) ๐งฎ (Fraction(-6, 1), Fraction(-11, 1)) โ 27 (84%) ๐งฎ (Fraction(-12, 1), Fraction(25, 1)) โ 30 (94%) ๐งฎ (Fraction(-12, 1), Fraction(25, 1)) โ 32 (100%) ๐งฎ (-2, 5) โ
BIOLOGY AVES-2025
โ abstained (never confident) ยท no buzz
If a certain species of grasshopper and bee have the same number of distinct autosomal chromosomes, order the following four organisms by increasing chromosome count: 1) Male bee 2) Male grasshopper 3) Female bee 4) Female grasshopper
gold answer: 1, 3, 2, 4
heard bot's guess P(correct) 0 (0%) โ 3 (8%) โ 6 (17%) โ 9 (25%) โ 12 (33%) โ 15 (42%) โ 18 (50%) โ 21 (58%) โ 24 (67%) โ 27 (75%) โ 30 (83%) โ 33 (92%) โ 36 (100%) โ
ENERGY LexSciBowl
โ abstained (never confident) ยท no buzz
Researchers at Idaho National Labs are studying how to implement solar energy in the US. By name or number, order the following 4 layers from furthest to exposed sunlight to closest to exposed sunlight in a solar panel: 1) Silicon layer; 2) N type semiconductor; 3) P type.semiconductor.
gold answer: 3, 1, 2
heard bot's guess P(correct) 0 (0%) โ 3 (6%) โ 6 (13%) โ 9 (19%) โ 12 (26%) โ 15 (32%) โ 18 (38%) โ 21 (45%) โ 24 (51%) โ 27 (57%) โ 30 (64%) โ 33 (70%) โ 36 (77%) โ 39 (83%) โ 42 (89%) โ 45 (96%) โ 47 (100%) โ
ENERGY MEHS Rounds
โ abstained (never confident) ยท no buzz
Researchers at Argonne National Lab have been conducting research into superfluids by exploring computer simulations of the Bose-Einstein condensate. Identify all of the following particles canโt be in matter that is considered to be a Bose-Einstein condensate: 1) Proton; 2) Electron; 3) Pion; 4) Neutron.
gold answer: 3 ONLY
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (14%) โ 9 (20%) โ 12 (27%) โ 15 (34%) โ 18 (41%) โ 21 (48%) โ 24 (55%) โ 27 (61%) โ 30 (68%) โ 33 (75%) โ 36 (82%) โ 39 (89%) โ 42 (95%) โ 44 (100%) Bose-Einstein condensates consist of bosons โ
CHEMISTRY MIT-2020
โ abstained (never confident) ยท no buzz
By name or number, arrange the following three radicals in increasing stability: 1) Vinyl radical 2) Allyl radical 3) Tertbutyl radical
gold answer: 1, 3, 2
heard bot's guess P(correct) 0 (0%) โ 3 (15%) โ 6 (30%) โ 9 (45%) โ 12 (60%) โ 15 (75%) โ 18 (90%) โ 20 (100%) 1, 2, 3 โ
CHEMISTRY MIT-2023
โ abstained (never confident) ยท no buzz
Rank the following three molecules in terms of increasing entropy of vaporization at 25 degrees Celsius: 1) Water 2) Methanol 3) Methane
gold answer: 3, 2, 1
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (29%) โ 9 (43%) โ 12 (57%) โ 15 (71%) โ 18 (86%) โ 21 (100%) โ
MATH NSI_2024
โ abstained (never confident) ยท no buzz
A right triangle is formed when a ladder is leaned against a wall forming an angle, ๐. Given that the base of the ladder is 6 meters from the wall and the length of the ladder is 10 meters, calculate ๐๐๐ก(ฮธ).
gold answer: 3/4
heard bot's guess P(correct) 0 (0%) โ 3 (8%) โ 6 (15%) โ 9 (22%) โ 12 (30%) โ 15 (38%) โ 18 (45%) โ 21 (52%) โ 24 (60%) โ 27 (68%) โ 30 (75%) โ 33 (82%) โ 36 (90%) โ 39 (98%) ๐งฎ 8 โ 40 (100%) ๐งฎ 3/4 โ
ENERGY Stanford_2025
โ abstained (never confident) ยท no buzz
Researchers in the Wender Lab at Stanford recently discovered a new drug that could be used to combat HIV infections. This drug is part of a larger class of compounds designed to target what family of viruses, which function by injecting their RNA genome into the DNA of the host cell?
gold answer: Retroviruses / Retroviridae
heard bot's guess P(correct) 0 (0%) โ 3 (6%) โ 6 (12%) โ 9 (18%) โ 12 (24%) โ 15 (30%) โ 18 (36%) โ 21 (42%) โ 24 (48%) โ 27 (54%) โ 30 (60%) โ 33 (66%) โ 36 (72%) โ 39 (78%) โ 42 (84%) โ 45 (90%) โ 48 (96%) Retroviruses โ 50 (100%) Retroviruses โ
CHEMISTRY texas_sci_bowl_2025
โ abstained (never confident) ยท no buzz
By name or number, order the following 3 carboxylic [READ: car-box-ILL-ick ] acid derivatives by increasing electrophilicity [READ: electro-fill-IH-si-tee]: 1) Anhydride 2) Acid chloride 3) Ester
gold answer: 3, 1, 2
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (24%) โ 9 (36%) โ 12 (48%) โ 15 (60%) โ 18 (72%) โ 21 (84%) โ 24 (96%) โ 25 (100%) 3, 1, 2 โ
MATH BASIS Peoria Rounds
โ abstained (never confident) ยท no buzz
Simplify the expression [read: the square root of x times ๐ฅ the cube root of x all over x].
gold answer: ๐ฅ โ1 6
heard bot's guess P(correct) 0 (0%) โ 3 (17%) โ 6 (33%) โ 9 (50%) โ 12 (67%) The expression is โx ยท x^(1/3 โ 15 (83%) โ 18 (100%) I need to simplify โx ยท โx โ
MATH Berkeley-2023
โ abstained (never confident) ยท no buzz
What is the sum of the factors of the number 78?
gold answer: 168
heard bot's guess P(correct) 0 (0%) โ 3 (30%) โ 6 (60%) โ 9 (90%) โ 10 (100%) ๐งฎ 168 โ
PHYSICS IGNIS 2022
โ abstained (never confident) ยท no buzz
What is the ratio between the energy of the firstexcited state and the third-excited state of a rigid rotor?
gold answer: 16
heard bot's guess P(correct) 0 (0%) โ 3 (17%) โ 6 (33%) โ 9 (50%) โ 12 (67%) โ 15 (83%) โ 18 (100%) โ
PHYSICS LexSciBowl
โ abstained (never confident) ยท no buzz
By name or number, order the following 3 objects in increasing order by the time it takes to roll down a ramp without slipping if they have the same mass: 1) Disk with radius 2; 2) Sphere with radius 1; 3) Rod with length 4.
gold answer: 3, 2, 1
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (14%) โ 9 (20%) โ 12 (27%) โ 15 (34%) โ 18 (41%) โ 21 (48%) โ 24 (55%) โ 27 (61%) โ 30 (68%) โ 33 (75%) โ 36 (82%) โ 39 (89%) โ 42 (95%) โ 44 (100%) โ
CHEMISTRY MOSFET-2
โ abstained (never confident) ยท no buzz
What is the oxidation state of the central iron atom in the complex ion FeCl63- ?
gold answer: +3 / 3
heard bot's guess P(correct) 0 (0%) โ 3 (20%) โ 6 (40%) โ 9 (60%) โ 12 (80%) โ 15 (100%) ๐งฎ 3 โ
MATH NNHS Rounds
โ abstained (never confident) ยท no buzz
Five fair, six-sided dice are rolled. What is the probability that the sum of the numbers rolled is a multiple of three?
gold answer: 1/3
heard bot's guess P(correct) 0 (0%) โ 3 (14%) โ 6 (29%) โ 9 (43%) โ 12 (57%) โ 15 (71%) โ 18 (86%) โ 21 (100%) โ
MATH NSBA2
โ abstained (never confident) ยท no buzz
Alice shuffles a normal deck of cards and draws cards without replacement until she gets a red card. What is the probability that she has to draw exactly two cards?
gold answer: 13/51
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (21%) โ 9 (31%) โ 12 (41%) โ 15 (52%) โ 18 (62%) โ 21 (72%) โ 24 (83%) โ 27 (93%) โ 29 (100%) โ
ENERGY SBST (Spring)
โ abstained (never confident) ยท no buzz
Scientists at Pacific Northwest National Lab have developed a model for the multistep dissolution of gibbsite, one of the polymorphs of aluminum hydroxide. Identify all of the following three statements about aluminum hydroxide that are true: 1) Its solid form is held together by hydrogen bonds; 2) When aluminum hydroxide is reacted with acid, the aluminate ion is formed; 3) Aluminum hydroxide is amphoteric.
gold answer: 1, 3
heard bot's guess P(correct) 0 (0%) โ 3 (5%) โ 6 (10%) โ 9 (14%) โ 12 (19%) โ 15 (24%) Gibbsite is Al(OH)โ, โ 18 (29%) โ 21 (33%) aluminum hydroxide โ 24 (38%) โ 27 (43%) โ 30 (48%) โ 33 (52%) โ 36 (57%) โ 39 (62%) โ 42 (67%) โ 45 (71%) โ 48 (76%) โ 51 (81%) โ 54 (86%) โ 57 (90%) โ 60 (95%) โ 63 (100%) Let me analyze each statement: โ
CHEMISTRY AVES-2025
โ abstained (never confident) ยท no buzz
Identify all of the following three crown ethers that are correctly paired with the ion they typically solvate. 1) 15-crown-5 and Li+ 2) 18-crown-6 and Na+ 3) 21-crown-7 and K+
gold answer: None of them
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (21%) โ 9 (31%) โ 12 (41%) โ 15 (52%) โ 18 (62%) โ 21 (72%) โ 24 (83%) 2 only โ 27 (93%) โ 29 (100%) 3 only โ
MATH FE!M-2025
โ abstained (never confident) ยท no buzz
A fixed point ๐ฅ of a function ๐ satisfies the equation ๐(๐ฅ) = ๐ฅ. Which of the following functions have fixed points? 1) ๐๐ฅ 2) ln ๐ฅ 3) cos ๐ฅ
gold answer: 3 only
heard bot's guess P(correct) 0 (0%) โ 3 (10%) โ 6 (21%) โ 9 (31%) f(x) = x โ 12 (41%) x โ 15 (52%) โ 18 (62%) โ 21 (72%) โ 24 (83%) โ 27 (93%) 2 only โ 29 (100%) ๐งฎ 3) cos x only โ
CHEMISTRY IGNIS 2022
โ abstained (never confident) ยท no buzz
Identify all of the following three statements that are true of nucleophilic substitution reactions: 1) SN 2 reactions occur in a single step; 2) SN 1 reactions always lead to inversion of stereochemistry; 3) SN 2 reactions are favored by polar protic solvents.
gold answer: 1 only
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (14%) โ 9 (21%) โ 12 (29%) โ 15 (36%) โ 18 (43%) โ 21 (50%) 1 and 2 โ 24 (57%) 1 and 2 โ 27 (64%) 1 and 2 โ 30 (71%) 1 and 3 โ 33 (79%) 1 only โ 36 (86%) 1 only โ 39 (93%) 1 and 3 โ 42 (100%) 1 only โ
PHYSICS MIT-2022
โ abstained (never confident) ยท no buzz
Doubly ionized lithium consists of a lithium nucleus and a single electron. To the nearest ten electronvolts, what is the absolute value of the ground state energy of doubly ionized lithium?
gold answer: 120
heard bot's guess P(correct) 0 (0%) โ 3 (10%) Hydrogen-like atom โ 6 (20%) Hydrogen-like atom โ 9 (30%) single electron โ 12 (40%) โ 15 (50%) โ 18 (60%) For doubly ionized lithium โ 21 (70%) โ 24 (80%) โ 27 (90%) โ 30 (100%) โ
MATH MOSFET-2
โ abstained (never confident) ยท no buzz
What is the slope of a line perpendicular to the line with equation 7x โ 4y = โ28?
gold answer: -4/7
heard bot's guess P(correct) 0 (0%) โ 3 (18%) โ 6 (35%) โ 9 (53%) โ 12 (71%) โ 15 (88%) ๐งฎ -4/7 โ 17 (100%) ๐งฎ -4/7 โ
MATH NSBA1
โ abstained (never confident) ยท no buzz
Identify all of the following 3 polynomials that are irreducible over the integers: 1) x2 + 3x - 12; 2) x2 + 15; 3) x2 - 15.
gold answer: ALL
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (23%) โ 9 (35%) โ 12 (46%) โ 15 (58%) โ 18 (69%) โ 21 (81%) 1 and 2 โ 24 (92%) 1 and 2 โ 26 (100%) โ
MATH Random Stuff
โ abstained (never confident) ยท no buzz
In a recursive sequence where a(n) = a(n-1) + a(n-2), what is a(4) if a(1) equals 1 and a(2) equals 4?
gold answer: 9
heard bot's guess P(correct) 0 (0%) โ 3 (15%) โ 6 (30%) โ 9 (45%) Fibonacci sequence โ 12 (60%) โ 15 (75%) โ 18 (90%) ๐งฎ 3 โ 20 (100%) ๐งฎ 9 โ
MATH SCB-2025
โ abstained (never confident) ยท no buzz
Identify all of the following 4 values of n that would satisfy the equation n^4 is congruent to 1 mod 5. 1) 12 2) 13 3) 14 4) 15
gold answer: 1, 2, and 3
heard bot's guess P(correct) 0 (0%) โ 3 (11%) โ 6 (21%) โ 9 (32%) โ 12 (43%) โ 15 (54%) โ 18 (64%) ๐งฎ [1, 2, 3, 4] โ 21 (75%) ๐งฎ [1, 2, 3, 4] โ 24 (86%) โ 27 (96%) ๐งฎ 1, 2, 3 โ 28 (100%) ๐งฎ [12, 13, 14] โ
MATH SBST (Spring)
โ abstained (never confident) ยท no buzz
A diagonal of a regular hexagon measures 6 cm. What is the ratio of the largest possible area of the hexagon to the smallest possible area of the hexagon?
gold answer: 4/3
heard bot's guess P(correct) 0 (0%) โ 3 (11%) โ 6 (21%) โ 9 (32%) ๐งฎ 23.38 โ 12 (43%) ๐งฎ 3 โ 15 (54%) โ 18 (64%) โ 21 (75%) โ 24 (86%) ๐งฎ 4/3 โ 27 (96%) โ 28 (100%) โ
MATH SMH-2025
โ abstained (never confident) ยท no buzz
A student has a 60% in the class before the final. If the final is worth 20% of the class grade, and this is the only remaining assignment to be graded, what is the minimum score the student needs to increase his grade by 5%?
gold answer: 85%
heard bot's guess P(correct) 0 (0%) โ 3 (7%) โ 6 (14%) โ 9 (20%) โ 12 (27%) ๐งฎ 90 โ 15 (34%) ๐งฎ 90 โ 18 (41%) ๐งฎ 110 โ 21 (48%) ๐งฎ 68 โ 24 (55%) ๐งฎ 110 โ 27 (61%) ๐งฎ 110 โ 30 (68%) ๐งฎ 110 โ 33 (75%) ๐งฎ 68 โ 36 (82%) ๐งฎ 110 โ 39 (89%) ๐งฎ 110 โ 42 (95%) ๐งฎ 61 โ 44 (100%) ๐งฎ 85 โ
MATH Stanford_2025
โ abstained (never confident) ยท no buzz
The degree measures of the angles of a triangle can be expressed as x, 2x โ 20, and x โ 40. What is the value of x?
gold answer: 60
heard bot's guess P(correct) 0 (0%) โ 3 (12%) โ 6 (23%) โ 9 (35%) โ 12 (46%) โ 15 (58%) โ 18 (69%) ๐งฎ 50 โ 21 (81%) ๐งฎ 100 โ 24 (92%) ๐งฎ 60 โ 26 (100%) ๐งฎ 60 โ