id
string
question
string
choices
list
answer_key
string
source
string
abc561c1-a099-4381-9b3d-097216e9c8b9
Inserting an extra plane of atoms into a crystal lattice produces what?
[ "spot location", "edge location", "spot dislocation", "edge dislocation" ]
edge dislocation
sciq
0dfd71de-eaf8-40f5-86ad-a0f34d3756e7
The core of a nuclear reactor generates a large amount of what type of energy from the decay of fission products, even when the power-producing fission chain reaction is turned off?
[ "evaporation", "elastic", "thermal", "erosion" ]
thermal
sciq
997353f1-5886-45cf-b21a-987d8b884855
Electric current is measured in coulombs per second, also called what?
[ "joules", "amperes", "voltages", "watts" ]
amperes
sciq
66067936-d31b-47ad-a236-dd9e3ac74903
What is the name of the "point" that refers to the temperature at which water vapor condenses?
[ "dew point", "melting point", "water point", "brine point" ]
dew point
sciq
c3f99a37-9c66-4707-9cca-a02ccafe6e24
Body plans do provide a succinct way to compare and contrast what?
[ "distinctive animal features", "degenerative animal features", "key animal features", "missing animal features" ]
key animal features
sciq
ae5a1ac0-98c2-4c7e-9a9d-517980671e2d
Once classified as plants, fungi have chitin rather than cellulose in what cell structures?
[ "cell walls", "mitochondria", "cell ridges", "platelets" ]
cell walls
sciq
76851749-0068-4531-9a80-35b8db3a964c
What type of oceans are hostile to algae and cytoplankton?
[ "warmer", "colder", "shallower", "deeper" ]
warmer
sciq
d025ec51-6df3-4f85-8794-0ace17f86626
Organelles whose membranes are specialized for aerobic respiration are called what?
[ "vacuoles", "mitosis", "chloroplasts", "mitochondria" ]
mitochondria
sciq
84c04d98-b474-4a23-93cf-87c3e67a6374
The regions of a material where the north and south poles of atoms are aligned are called what?
[ "observed domains", "magnetic rays", "magnetic domains", "cores" ]
magnetic domains
sciq
bb21be58-ef8e-412f-ba0b-a2953ebc2b22
What is another term for body chromosomes?
[ "quasars", "subsets", "autosomes", "Chromosomes" ]
autosomes
sciq
d72e743e-8f85-43e8-9bc0-d1a7d4cb3426
Unlike amphibians, reptiles do not have what stage?
[ "larval", "reproductive", "egg", "adult" ]
larval
sciq
9636b52a-57f6-4306-b3e7-6ee79650d179
What basic plant structure can add support and anchorage?
[ "roots", "lower leaves", "stems", "soils" ]
roots
sciq
35a802a0-b663-487b-b9e8-c7927b4fed7e
Locus refers to the position of what on a chromosome, which controls the characteristics of an organism?
[ "genome", "rna", "gamete", "gene" ]
gene
sciq
221b128b-5cb3-45d3-a2f3-0e07dd41da7f
Fish hatch into larvae that are different from the adult form of?
[ "sex", "parasites", "species", "color" ]
species
sciq
3f8683b2-c855-4dd5-9503-27da6212757a
What kind of islands provide natural protection to shorelines?
[ "patch islands", "locational islands", "edge islands", "barrier islands" ]
barrier islands
sciq
3a9e8138-cc88-4d3e-9b3e-b1c25a572f22
Fruit-eating bats receive food from plants and, in return, help these plants by doing what?
[ "fertilizing them", "spreading seeds", "protecting them", "pollinating seeds" ]
spreading seeds
sciq
d13e11dc-9771-4823-8502-0ae9b12bfb1a
What is determined by the amount of energy in molecules?
[ "state of matter", "kingdom", "radioactivity", "momentum" ]
state of matter
sciq
12a645db-b557-4223-9eb0-fa512f60e780
Biomass is the mass of biological what?
[ "lipids", "proteins", "tissues", "organisms" ]
organisms
sciq
503dbbd2-c737-44d3-8acf-386345e605d6
The primary nitrogenous waste material secreted by ureotelic animals is what substance?
[ "nitrate", "carbon", "ammonia", "urea" ]
urea
sciq
3f443d2e-1dbd-4473-8f50-ec3da1787cd3
What system makes sure leaked blood returns back to the bloodstream?
[ "somatic", "lymphatic", "cerebral", "symptomatic" ]
lymphatic
sciq
68ef7edb-fa32-407a-8da4-66f6e4c425c5
Enthalpy changes are measured by using what?
[ "inversion", "fluorescence", "infraction", "calorimetry" ]
calorimetry
sciq
e8b0feeb-6c79-47c5-9514-8e9cee710585
The cell walls of fungi are made of what?
[ "lectin", "mucous", "cartilage", "chitin" ]
chitin
sciq
ba83c2a2-7dcf-4109-85f8-f83572ee7248
When blood engorged capillaries leak fluid into neighboring tissues, what occurs?
[ "seeping", "swelling", "infection", "bleeding" ]
swelling
sciq
b330c64f-99ad-46a2-af85-f8995bf14584
Will contour lines ever cross?
[ "in rare cases", "always", "no", "yes" ]
no
sciq
b3cb3405-8915-4c37-86eb-9a1d1317f2b2
Species of organisms that have permanently died out can also be called what?
[ "succinct", "inherited", "occuring", "extinct" ]
extinct
sciq
10855fb7-e057-4801-be76-67a024a086f4
Are the majority of archaea chemotrophs or photosynthetic?
[ "autotrophs", "chemotrophs", "photosynthetics", "neither" ]
chemotrophs
sciq
80f86c39-b9d4-4ea3-8d62-ecfb12ae728f
Oxygen is essentially just a waste product of the light reactions of what?
[ "Fibrinolysis", "electrolysis", "photosynthesis", "glycolysis" ]
photosynthesis
sciq
6eb883de-113f-40aa-8a75-e1422dd2e598
What is the process by which almost all plants make food?
[ "photosynthesis", "digestion", "reactions", "melting" ]
photosynthesis
sciq
6ae41e2a-2c84-480f-8c94-d615385ab4e6
Some enzymes require the presence of a non-protein molecule to function properly. what is that molecule called?
[ "cofactor", "coenzymes", "prothetic", "substrate" ]
cofactor
sciq
7b482e85-5862-464c-8d27-682301d6d9b6
What stimulates the changes of pubery?
[ "sex education", "sex hormones", "parenting", "mutation" ]
sex hormones
sciq
64891d97-6ba4-48f6-96de-58a5289673f3
What are the male reproductive cells called?
[ "sperm", "plasma", "ova", "mucus" ]
sperm
sciq
d5363d4b-0075-481a-b69f-4337e27cf058
What is one function of the nervous system in humans?
[ "controlling emotion", "controlling thought", "producing hormones", "controlling muscles" ]
controlling muscles
sciq
80032b38-25bc-4aae-b941-26999133becc
What is the diversity of living things called?
[ "ecosystem", "degradation", "biodiversity", "life cycle" ]
biodiversity
sciq
a5186c98-f6b9-4a24-abe0-6a408898fd19
What kind of mammalian reproduction is risky for the offspring but not the mother?
[ "cactaceae", "monotreme", "sexual", "asexual" ]
monotreme
sciq
d9e6a004-91a9-4cdf-9276-a7ae832c7c57
What do we call the force of attraction or repulsion between electrically charged particles?
[ "gravitational pull", "electromagnetic force", "mechanical force", "chemical force" ]
electromagnetic force
sciq
55b416cf-776b-46af-bf16-4f02ffb844bc
Mendeleev organized what basic units into rows and columns?
[ "compounds", "solutions", "elements", "animals" ]
elements
sciq
f654fa83-9539-482a-9f38-f52aababcd7c
What do you call compounds that have covalent bonds?
[ "covalent compounds", "reflectivity compounds", "ions", "valence compound" ]
covalent compounds
sciq
4c693ac5-a159-4fa6-a658-d1ba620c8dde
What is the term for magma that erupts onto earth's surface?
[ "steam", "lava", "obsidian", "debris" ]
lava
sciq
1c3c024f-4ca5-47d0-bb75-d8dafa11161e
What changes nitrogen gas from the atmosphere to nitrogen compounds that plants can absorb?
[ "bacteria", "viruses", "tumors", "pathogens" ]
bacteria
sciq
61f2124d-820c-42ff-bb01-0b0fc8822bb9
In vertebrates, ovipary, ovovivipary, and vivipary are different strategies for what vital process?
[ "circulation", "absorption", "reproduction", "respiration" ]
reproduction
sciq
e493f311-cd75-41e9-9041-3e81bda0d37c
What waves do radio and television use?
[ "gamma waves", "radio waves", "sound waves", "light waves" ]
radio waves
sciq
d585d1a5-0f88-44ad-9fb0-e9a455cec169
Which factor causes a cannon ball to move horizontally and then fall on the ground?
[ "downward motion", "fluid motion", "projectile motion", "cone motion" ]
projectile motion
sciq
c9e31707-31d2-4c79-937b-b1afdef09192
What do electrons lose during their transfer from organic compounds to oxygen?
[ "actual energy", "potential energy", "mechanical energy", "thermal energy" ]
potential energy
sciq
c4198a42-22fc-40b4-9f7a-a9ca3cecaf09
What are plastids that contain other pigments?
[ "chromoplasts", "cytoplasm", "chloroplasts", "lucoplasts" ]
chromoplasts
sciq
0eeb66e2-e624-4c7b-a75c-1e97401aa84e
Each species of legume is associated with a strain of __________
[ "agrobacterium", "rhizobium", "heliotropium", "fungi" ]
rhizobium
sciq
f2ad0da9-4313-4ef5-b2fc-b0e20e078088
Algae convert energy from the sun into food by means of what process?
[ "glycolysis", "compression", "photosynthesis", "luminosynthesis" ]
photosynthesis
sciq
7b3af830-c147-4798-8751-3bb821e42129
Which process helps provide cleaner water for agriculture?
[ "process of desalinization", "osmosis", "sterilization", "purification" ]
process of desalinization
sciq
ae298a9e-d871-485d-b7eb-e2744cc95680
What element is an essential part of many molecules needed by living organisms?
[ "silicon", "helium", "hydrogen", "nitrogen" ]
nitrogen
sciq
c8c9ed16-af0a-4ec4-b42a-9fbb83d6347d
An atom is the smallest unit of what that maintains the identity of the latter?
[ "cell", "mixture", "organism", "element" ]
element
sciq
b6f258dd-c8ab-452c-82df-09b11bb8576d
When a solution freezes, only what particles come together to form a solid phase, while the presence of solute particles interferes with that process?
[ "pigment", "hydrogen", "diluent", "solvent" ]
solvent
sciq
75957baa-cd6f-49b0-af43-e5d7c995d3b0
Liquefaction ccurs when the molecules of a gas are cooled to the point where they no longer possess sufficient kinetic energy to overcome what?
[ "bonding attractive forces", "intermolecular attractive forces", "intermolecular gravitational forces", "gravitational attractive forces" ]
intermolecular attractive forces
sciq
b7b35ebd-f292-430e-95a3-74d7ce623016
What is the term for the series of life stages and events that a sexually reproducing organism goes through?
[ "existence", "society cycle", "age", "life cycle" ]
life cycle
sciq
312d85cc-93c9-4014-9edd-9a7aec753053
What is absorbed from food waste in the large intestine before it passes out of the body as feces?
[ "distilled water", "inactive water", "excess water", "dependent water" ]
excess water
sciq
8e3ed48e-a477-4590-873e-aa40bfaf8479
What do hydrocarbons consist of?
[ "carbon and hydrogen", "carbon and helium", "carbon and oxygen", "carbon and water" ]
carbon and hydrogen
sciq
e691b6d5-be51-4fb3-bdee-14b8ba491a4b
A major diversification of what animal group occurred about 50 million years ago, possibly spurred by worldwide climate change?
[ "mammals", "insects", "reptiles", "amphibians" ]
mammals
sciq
97792fad-fa9f-4e18-93f9-656e105a2f56
Like a house, your body has what kind of mechanism that responds to changes in temperature?
[ "sensitive thermostat", "external thermostat", "internal thermostat", "mechanical thermostat" ]
internal thermostat
sciq
bdd89dcf-f95e-4e9c-b90d-6141b3aa03a1
An isometric type of what occurs as the muscle produces tension without changing the angle of a skeletal joint?
[ "acceleration", "compression", "contraction", "extension" ]
contraction
sciq
7d6b4e8c-d38a-47c8-bc67-567d926cb09a
What are important coenzymes or precursors of coenzymes, and are required for enzymes to function properly?
[ "carbohydrates", "Drugs", "supplements", "vitamins" ]
vitamins
sciq
e7b30d08-4f6b-4190-a212-821c52cc3360
What have cell-surface antigen receptors for foreign molecules?
[ "erythrocytes", "lymphocytes", "dendrites", "capillaries" ]
lymphocytes
sciq
512de947-90ea-4404-962a-1b98d070f18c
In birds, modified front legs are actually what?
[ "arms", "tails", "wings", "claws" ]
wings
sciq
e3dd50fe-3f01-4e7c-922d-1ff9d575560e
The number of waves that pass a fixed point in a given amount of time is called what?
[ "spread of a wave", "spectroscopy of a wave", "wavelength of a wave", "frequency of a wave" ]
frequency of a wave
sciq
a7d73dce-dcc0-49be-8b4c-f5584251426b
How does litmus paper indicate the ph value of a solution?
[ "by smell", "by shape", "by texture", "by color" ]
by color
sciq
3eba48bd-6616-4e10-916b-a8cf97f362a6
What is another term for movable joints?
[ "synovial", "sesamoidal", "fibrous", "interstitial" ]
synovial
sciq
5d4d7344-08a5-493a-8e98-aa2bee2bda37
What device is a magnetic disc that provides long-term storage for programs and data?
[ "cassette", "software", "hard drive", "floppy drive" ]
hard drive
sciq
50a18e93-e22d-45e5-aeec-ee10011616bd
Debroglie proposed in 1924 that any object exhibits a wavelength that is inversely proportional to its?
[ "velocity", "momentum", "inertia", "frequency" ]
momentum
sciq
34e8849b-0513-4096-9c06-ba8da1e20ac1
What travels at the interface between the sea surface and the atmosphere?
[ "ocean waves", "ocean tides", "ocean breeze", "ocean currents" ]
ocean waves
sciq
f1d95685-a87c-497f-a253-9128a3c84f9d
What is the only light that humans can see?
[ "dark light", "visible light", "distinct light", "bright light" ]
visible light
sciq
1aa33af6-d3f6-4723-8f15-eace7ad69dba
What directs the amino acids to be introduced into the growing protein chain in the proper sequence?
[ "organism template", "organelle template", "rna template", "gene template" ]
rna template
sciq
c9e09ccf-0d86-4390-b993-68629f59d019
Cellular respiration in humans involves the combustion of what simple sugar?
[ "glutamate", "starch", "glucose", "insulin" ]
glucose
sciq
00b31742-51f5-41ed-8612-648b6d85a73a
What still causes fatal lung disease in nonsmokers?
[ "alcohol", "tobacco smoke", "nicotine", "chewing tobacco" ]
tobacco smoke
sciq
7579516f-57bb-410c-bc5b-17eeb06a09e0
Like ants and termites, they grow fungi inside the bark of trees and use it to help do what?
[ "digest food", "clean the nest", "weaken enemies", "kill prey" ]
digest food
sciq
f6d93280-c2b9-444b-8b41-7fe623596e1e
For fertilization to occur in angiosperms, pollen has to be transferred to the stigma of what?
[ "flower", "leaf", "stem", "root" ]
flower
sciq
6d793493-0161-4ba3-968a-9c83a8012d75
Exothermic reactions in organisms are called what?
[ "nebular reactions", "catabolic reactions", "nuclear reactions", "biogenic reactions" ]
catabolic reactions
sciq
a5f91605-fcde-4a08-a08f-7745f6e0866c
Prior to birth, the lungs are filled with amniotic fluid, mucus, and what else?
[ "air", "surfactant", "plasma", "blood" ]
surfactant
sciq
a10dd15a-ac68-4d02-974f-53a3b2e37e59
At what point during a chemical reaction is there no net change?
[ "ionization", "bonding", "formation", "equilibrium" ]
equilibrium
sciq
0a3a075b-c893-4fd4-82d9-7c53c5fc7100
The solution with the higher solute concentration is called what?
[ "acetic", "unsaturated", "hypertonic", "hypotonic" ]
hypertonic
sciq
ede863ad-26a3-4bc5-9340-269426c91a3e
The three stages of transcription are initiation, elongation, and what?
[ "prolongation", "degradation", "separation", "termination" ]
termination
sciq
598143d6-5d01-4fc9-83c3-6dca37779202
A rounded hollow carved in the side of a mountain by a glacier is known as?
[ "a cavern", "a cirque", "a crater", "a crest" ]
a cirque
sciq
38849f1e-4492-4258-96a7-1170391d2368
Where do most cnidarians live?
[ "ocean", "rocks", "grass", "hills" ]
ocean
sciq
a3a3f41a-f820-4551-b6b2-3e8d25da215f
What do a group of cells that work together form?
[ "tissue", "organelle", "molecule", "organ" ]
tissue
sciq
b1a6e10b-5a9c-4496-ab5d-0a2c31b7e8e5
Plants alternate between haploid and what?
[ "diploid", "monoplooid", "triploid", "monoxoid" ]
diploid
sciq
a1493073-7a7e-4d43-b15a-0c07ed622058
Temperature is a measure of the motion (kinetic energy) of what?
[ "nucleus", "electrons", "particles", "molecules" ]
molecules
sciq
a035d2a4-c973-4fb3-ad5f-0af4a641514a
What method do scientists use to answer questions?
[ "scientific method", "solutive method", "inquisitive method", "regulatory method" ]
scientific method
sciq
dba6e074-0bbc-4883-8b99-058052630e57
What is the natural selection that favors altruistic behavior by enhancing reproductive success of relatives known as?
[ "diversifying selection", "directional selection", "stabilizing selection", "kin selection" ]
kin selection
sciq
e1291f10-8d54-484c-b5d9-c4826900e66c
When a male directly deposits sperm in a female during mating, this is considered what type of fertilization?
[ "dual", "internal", "external", "mechanical" ]
internal
sciq
4d8a1bc1-f223-4151-b7f8-4ef837caad36
What part of the body does the mycobacterium tuberculosis bacterium usually attack?
[ "muscles", "Pancreas", "lungs", "heart" ]
lungs
sciq
63874508-98b5-408f-9e00-fea51d25f47c
Conversely, very large forces are created by liquids and solids when they try to expand but are constrained from doing so—which is equivalent to compressing them to less than their normal volume. this often occurs when a contained material warms up, since most materials expand when they do this?
[ "decrease temperature", "increase mass", "increase density", "increase temperature" ]
increase temperature
sciq
bc2a71d8-7412-4f03-a531-a332b7daade6
What helps regulate the production of urine?
[ "the temporal gland", "the discrete gland", "the pituitary gland", "the fetal gland" ]
the pituitary gland
sciq
eebc1217-7572-464c-9326-7a5870cc9455
In celsius, what is the temperature at which water freezes?
[ "absolute zero", "zero degrees", "32 degrees", "100 degrees" ]
zero degrees
sciq
5d5ce2f2-f9db-4fad-9c85-b311453203f8
Which theory explains how materials can collide and become new materials?
[ "pileup theory", "collision theory", "rupture theory", "disturbance theory" ]
collision theory
sciq
cda8283a-c9bf-49bb-a5cb-318994bceb09
What 3 types of friction occur between solid surfaces?
[ "static, sliding, rolling", "static , arching , rolling", "static,desending,sliding", "static , ascending , rolling" ]
static, sliding, rolling
sciq
7043c226-e0b6-4f93-a919-4b4d0c1e6ee5
Name the 3 ocean zones.
[ "intertidal, pelagic, benthic", "coral, intertidal, apogean", "amphidromic, cotidal, benthic", "cotidal, intertidal, exotidal" ]
intertidal, pelagic, benthic
sciq
ecdc98a2-8ffd-4fab-b018-3c744e032aba
Secondary consumers are usually carnivores that eat what?
[ "dead material", "soil", "primary consumers", "plants" ]
primary consumers
sciq
c56092df-b0e4-46ba-8735-19310181c331
What is the term for a period when temperatures are cooler than normal causing glaciers to spread to lower latitudes?
[ "freezing point", "cold age", "cooling era", "ice age" ]
ice age
sciq
8114a875-9699-4e6e-90c3-f75920d464a0
Cody's velocity is zero so therefore he doesn't have what?
[ "temperature", "mass", "momentum", "weight" ]
momentum
sciq
9a9b9403-7cbc-4b5c-9194-d0101ee088a3
Human population is growing exponentially and humans have increased what normally limiting factor through technology, urbanization, and harnessing the energy of fossil fuels?
[ "carrying capacity", "mass extinction", "habitat loss", "zero population growth" ]
carrying capacity
sciq
f3f8169d-d8b8-47d3-aa24-4c8eb3801377
Amides are carbonyls attached to one nitrogen atom and one carbon or which other atom?
[ "helium", "hydrogen", "calcium", "nitrogen" ]
hydrogen
sciq
b80787c5-987a-4f9a-ac2b-040289671f26
The epidermis of the leaf consists of a single layer of which cells?
[ "endothermic cells", "insular cells", "dermal cells", "chloroplasm" ]
dermal cells
sciq
5e44ebad-fee3-4e89-b2da-a570336bdc41
What is beneath the cerebrum and includes the thalamus and hypothalamus?
[ "brain stem", "diencephalon", "rendalen", "subvocalization" ]
diencephalon
sciq
faa41b43-7093-4a7d-9e22-b9727d39b56e
What is the raw material for evolution by natural selection called?
[ "pattern variation", "comparable variation", "genetic variation", "mutation" ]
genetic variation
sciq