id string | question string | choices list | answer_key string | source string |
|---|---|---|---|---|
67b396a2-b0b5-4fb0-8311-1218e2899bb1 | All biochemical molecules have oxygen, carbon, and what other element? | [
"helium",
"hydrogen",
"calcium",
"nitrogen"
] | hydrogen | sciq |
1aa12d00-86f2-4bef-a7f3-b3ed2f4b8c17 | What is a structure that is composed of one or more types of tissues? | [
"organ",
"muscle",
"node",
"system"
] | organ | sciq |
eeb8ed1a-12d7-4ed4-acc5-aacdc5ae1ca5 | If the buoyant force is greater than the force of gravity acting on a ship, what will happen to the ship? | [
"it will sink",
"it will bobble",
"it will float",
"it will explode"
] | it will float | sciq |
a4f55d18-4d79-4426-b6fd-7864dfb35f0e | What are different types of tissues organized into functional units called? | [
"tendons",
"organs",
"arteries",
"veins"
] | organs | sciq |
45c3ad83-3b14-47b8-9472-18f6181c6d7d | Practitioners of what thought all matter was composed of different proportions of four basic elements, and that if you changed the proportions of these elements, you could change the substance itself? | [
"alchemy",
"phrenology",
"chemistry",
"biology"
] | alchemy | sciq |
67c6ee6a-18c3-4463-84a7-451cfe527194 | What are atoms of the same element that differ in their numbers of neutrons called? | [
"isotopes",
"opposites",
"reactions",
"organisms"
] | isotopes | sciq |
742cdc17-c15c-4cfc-835c-8869269c873e | What is added to a measured portion of a more concentrated stock solution to achieve a particular concentration? | [
"water",
"pigment",
"yeast",
"solvent"
] | solvent | sciq |
65a7394e-b45f-428c-b409-3d54859a1f1d | What do humans and bats have physically in common? | [
"gland hair",
"body oder",
"wing size",
"body hair"
] | body hair | sciq |
4eb837b2-c3e1-4561-954d-fef275cd3ce8 | Because optics fibers are thin, entering light may strike the inside surface at greater than the critical angle, requiring attention to what? | [
"reflective point",
"electromagnetic index",
"wavelength",
"refractive index"
] | refractive index | sciq |
9e5b0ff2-c4f8-4f4b-993d-7d70a29def05 | What is a vector quantity with the same direction as the force called? | [
"simple",
"impulse",
"accelerated",
"inverted"
] | impulse | sciq |
02ebe2eb-1be8-4c3b-bb19-064cabb3897a | Club mosses, horsetails, ferns, and whisk ferns are examples of what type of plants? | [
"cycads",
"seedless vascular plants",
"gymnosperms",
"angiosperms"
] | seedless vascular plants | sciq |
e18670ea-aaec-4dd4-a0fb-72b4772873e7 | What do seeds have that spores do not? | [
"a supply of stored food",
"chlorophyll",
"DNA",
"pollenators"
] | a supply of stored food | sciq |
fb4db8bd-8d4a-48d8-98c3-02ea9613de39 | When explosion of gases creates pressure resulting in motion of a rocket, the force pushing the rocket is called what? | [
"temperature",
"friction",
"thrust",
"stasis"
] | thrust | sciq |
4c9faa4a-a083-4f86-8f0c-e46f101b2860 | What once most common bird in north america became extinct in the 1800s? | [
"the rock penguin",
"the homing piegon",
"the passenger piegon",
"the dodo"
] | the passenger piegon | sciq |
e00c2a1b-1051-4f43-beb2-6f50cc10446a | What is the process called where nitrogen is repeatedly recycled through the biosphere? | [
"ammonia cycle",
"water cycle",
"nitrogen cycle",
"nitrogen path"
] | nitrogen cycle | sciq |
a3325b3e-d088-4172-8143-62f94cdca553 | What does pepsin help break down into amino acids? | [
"carbohydrates",
"proteins",
"glucose",
"fats"
] | proteins | sciq |
35bc5643-12fa-4a40-9db7-4199c8140e13 | What are the most successful phylum of plants? | [
"gymnosperms",
"ferns",
"spores",
"angiosperms"
] | angiosperms | sciq |
9e677d07-5642-42b0-85aa-ba96a965387a | The muscular layer is much thicker in which ventricle of the heart? | [
"right",
"left",
"upper",
"middle"
] | left | sciq |
cb15297f-3a1e-4643-ba5c-4d2a5fde5997 | In many places, small hills rise above the ocean floor. these hills are undersea volcanoes, called what? | [
"corals",
"ridges",
"reefs",
"seamounts"
] | seamounts | sciq |
4181ec03-a9c8-4a74-b5ea-e1b3b54f6106 | Ants, termites, bees, and wasps live in what type of social structure that may include millions of individual insects? | [
"habitat",
"family",
"community",
"colony"
] | colony | sciq |
dfd33966-b333-45f6-b1c2-e40bd1f39a6e | Schrödinger’s approach uses three quantum numbers (n, l, and ml) to specify any of what type of function, associated with a particular energy? | [
"shift function",
"wave function",
"green function",
"rush function"
] | wave function | sciq |
427944b2-dd4e-4770-868d-8b76b287c728 | What is the term for the ability of an atom to emit, or give off, charged particles and energy from its nucleus? | [
"magnetism",
"radioactivity",
"conductivity",
"electrical attraction"
] | radioactivity | sciq |
3bfce468-3314-4205-9832-a3004ff34fd6 | What type of fluid cushions the fetus and helps protect it from injury? | [
"amniotic",
"plasmid",
"epithelial",
"aqueous"
] | amniotic | sciq |
99bec344-f46e-4653-a6ea-01ac5261e2dc | How can you prevent diseases such as whooping cough and flu? | [
"nutrition",
"vacuuming",
"exercise",
"preventive vaccinations"
] | preventive vaccinations | sciq |
df28ff34-527f-49ce-bd6d-f83d66706e06 | Why do snakes have venomous bites? | [
"to clean themselves",
"to scare humans",
"to kill prey",
"to kill rival snakes"
] | to kill prey | sciq |
cea5876e-cb43-4600-b0db-b938818e5193 | Chelicerae in spiders are often modified into fangs that perform what function? | [
"tearing flesh",
"inject venom",
"chewing",
"courtship display"
] | inject venom | sciq |
338985fe-9e7d-42be-ad8f-37515a2a63d2 | What results from uncontrolled cell division? | [
"diabetes",
"cancers",
"high blood pressure",
"obesity"
] | cancers | sciq |
98e8954e-9c60-4405-8e8c-429048773288 | Where do angiosperms form seeds? | [
"ovaries",
"stamen",
"testes",
"cones"
] | ovaries | sciq |
b2ede500-d204-458a-becd-7b8b6ccfc642 | What term is used to describe the development of new technology? | [
"industrial design",
"mechanical engineering",
"technological design",
"technological expansion"
] | technological design | sciq |
ee2ab8d0-fd63-4496-a071-75936b3371d6 | All of the populations that live in the same area make up what type of group, which includes populations of different organisms? | [
"environment",
"community",
"hive",
"colony"
] | community | sciq |
cdad8f4d-edd7-4884-b4d2-143d35938f2d | What model describing atomic structure is often referred to as a planetary model? | [
"Newton's model",
"kinetic model",
"bohr model",
"Pascal model"
] | bohr model | sciq |
e88f3886-e6ba-47a8-8363-1268bc2d17b9 | The medium moves back and forth in the same direction as the wave in what type of wave? | [
"longitudinal wave",
"latitudinal wave",
"kinetic wave",
"variable wave"
] | longitudinal wave | sciq |
5517f1cb-f473-4930-9eb6-e2ac1bb751a5 | A ramp is a type of simple machine called what? | [
"extension plane",
"inclined plane",
"allow plane",
"rough plane"
] | inclined plane | sciq |
ac5ac636-4cd7-4ed4-81d7-629cd66a5d26 | Where do plants take in air? | [
"their flowers",
"their leaves",
"their roots",
"their stems"
] | their leaves | sciq |
a0362adc-d686-46af-bd08-2e4f2378d810 | Under the right conditions, what energy source can be used to eject electrons from a solid material? | [
"force",
"gravity",
"weight",
"light"
] | light | sciq |
60b306f2-2347-412a-b1f8-89cb5fc03859 | The type of bond that forms between molecules is called what? | [
"helium bond",
"hydrogen bond",
"fission bond",
"covalent bond"
] | hydrogen bond | sciq |
4799c646-30cf-4f45-867d-23eb482ef3e7 | Radiation, chemicals, and infectious agents are examples of what? | [
"mutagens",
"inhibitors",
"catalysts",
"pathogens"
] | mutagens | sciq |
90f39018-c771-4991-b9ab-090f0f07980d | What is the name for a tool commonly used by molecular biologists to place genetic material into cells? | [
"a viral vector",
"a embryonic vector",
"an rna vector",
"a dna vector"
] | a viral vector | sciq |
377052d7-6227-4a40-8959-2f071784b45e | What is the study of how forces affect the motion of objects? | [
"acceleration",
"behaviors",
"kinematics",
"dynamics"
] | dynamics | sciq |
19e21a24-74d6-4cc3-80e6-f0e690365810 | Compounds containing which element are the basis of all known life? | [
"helium",
"hydrogen",
"carbon",
"oxygen"
] | carbon | sciq |
472c4b43-874d-4134-840c-c47557015149 | What type of rocks form when an existing rock is changed by heat or pressure? | [
"metamorphic",
"sediments",
"Molten",
"igneous"
] | metamorphic | sciq |
3d5d48c2-f719-4cbc-8e5e-da5ced6273c9 | What does jupiter reflect a lot of due to its size? | [
"moisture",
"sunlight",
"carbon",
"molecules"
] | sunlight | sciq |
95ba4330-9595-47f7-acb7-a4371939f9dd | Invertebrates (and higher animals) can also be placed in one of two groups based on how they develop as what? | [
"cells",
"embryos",
"hormones",
"chromosomes"
] | embryos | sciq |
2a7c6f0a-984d-4dd2-9a48-60e5f208b980 | Which chemist developed a process to remove carbon and dust particles in smoke? | [
"james carpenter",
"roger granger",
"frederick cottrell",
"harold black"
] | frederick cottrell | sciq |
e86b855c-8a32-49b7-8668-9761e18967b8 | What are gases called that absorb heat in the atmosphere? | [
"ozone gases",
"microwave gases",
"carbonate gases",
"greenhouse gases"
] | greenhouse gases | sciq |
8cb8a239-550e-4e26-a9ac-1c9765c8f87c | What are the specialized cells that sponges have? | [
"blood cells",
"collar cells",
"magnet cells",
"tune cells"
] | collar cells | sciq |
e5b0e695-ac27-4b2f-a510-6d8483a9cced | What shape are the muscles that control the anus? | [
"circular",
"triangular",
"elliptical",
"irregular"
] | circular | sciq |
823d74c2-4cd4-4b80-8708-5bf626205025 | What are the small molecules or proteins produced by bacteria that regulate gene expression? | [
"autoinducers",
"sporozoans",
"protazoas",
"fluxes"
] | autoinducers | sciq |
d2651410-2ba7-4f30-b829-7ce4d2186e3b | Channel proteins form what in the membrane? | [
"fibers",
"atoms",
"walls",
"pores"
] | pores | sciq |
5b2daa9d-6b1c-497e-af72-e3c752389a68 | The sun gives off energy in tiny packets called what? | [
"atoms",
"ions",
"electrons",
"photons"
] | photons | sciq |
b01057a1-f600-4cca-b32a-a4cb39354f0d | What is a rock that contains important minerals called? | [
"steel",
"carbonic",
"copper",
"ore"
] | ore | sciq |
1cb54437-83ae-44b8-8cf7-9c797f745b6e | A high metabolic rate and hair are ways mammals generate and conserve what? | [
"water",
"heat",
"energy",
"resources"
] | heat | sciq |
2c393c6b-8fa4-4a58-934b-1765a69e2083 | What is made of molecules of many different gases, and is something we usually can’t see, taste, or smell; we can only feel it when it moves? | [
"water",
"sound",
"air",
"light"
] | air | sciq |
1439f094-16f6-46f4-9981-47d06e449004 | What navigation technology works on the same principle as echolocation? | [
"sonar",
"radar",
"GPS",
"topography"
] | sonar | sciq |
8adfc764-f807-4121-ab97-c5314a56cdcc | A reaction producing heat is what type of reaction? | [
"physical",
"chemistry",
"carbon",
"chemical"
] | chemical | sciq |
c3128019-55c0-415b-9375-d16106a55cce | What evolutionary process has adapted protonephridia to different tasks in different environments? | [
"natural reproduction",
"natural variety",
"natural change",
"natural selection"
] | natural selection | sciq |
91f9bb48-5824-41ab-bc4f-43ea886e4b3f | Some bacteria cannot be cultured because they are obligate intracellular parasites and cannot be grown outside what? | [
"brain cell",
"sponsor cell",
"anchor cell",
"host cell"
] | host cell | sciq |
6d6a6d96-4488-4aeb-aa1b-968cfa588ead | What are living things that produce food for themselves and other organisms called? | [
"harvesters",
"refiners",
"producers",
"growers"
] | producers | sciq |
64bd0050-68da-4d0b-b7b4-7c052c56e8f3 | What is the second largest class of elements? | [
"nonmetals",
"silicates",
"carbonates",
"metalloids"
] | nonmetals | sciq |
63e3658f-3764-4c6c-8eaa-d476ef02cae0 | The process in which a gas changes to a liquid is called what? | [
"diffusion",
"condensation",
"fermentation",
"vaporing"
] | condensation | sciq |
0c434dfc-45a7-4e38-8892-974f5e17ccb5 | What are solids with high melting and boiling points? | [
"metal alloys",
"ionic compounds",
"magnetic compounds",
"superheated compounds"
] | ionic compounds | sciq |
7843ec3f-c6d5-4282-9f56-a4b831dc66d6 | What kind of cells are polyribosomes found in? | [
"chloroplasts and nuclei",
"Prokaryotic and eukaryotic",
"yeast and prokaryotic",
"bacterial and eukaryotic"
] | bacterial and eukaryotic | sciq |
07627872-b031-4e8d-a1a8-64502e90c3c1 | Which gland is controlled by a negative feedback loop that includes the hypothalamus and pituitary gland? | [
"stomach",
"pituitary",
"thyroid",
"adrenal"
] | thyroid | sciq |
f60cb3f4-b47c-4fdf-a7da-be656469511c | What term means the set of processes by which metals are extracted from their ores and converted to more useful forms? | [
"ceramics",
"introversion",
"metamorphisis",
"metallurgy"
] | metallurgy | sciq |
c0473555-83e6-4857-a6b4-790853334413 | What blood-carrying structures contain one-way valves that contribute to the return of blood to the heart? | [
"veins",
"glands",
"clots",
"brains"
] | veins | sciq |
59b14adf-f06a-44a3-a7aa-126ab0c32656 | What type of components of the biosphere do chemical elements and water pass through during ecosystem recycle? | [
"water and air",
"biotic and abiotic",
"tropic and subtropic",
"photic and aphotic"
] | biotic and abiotic | sciq |
15660ef3-55ad-4633-ae34-0dac0a4607ad | The relationship between a nucleotide codon and its corresponding amino acid is called what? | [
"dna",
"rna",
"protein",
"genetic code"
] | genetic code | sciq |
d46c56cd-1529-4a81-9d53-b27ba5f60f92 | Traditionally, what preventative measure used weakened or inactive forms of microorganisms or viruses to stimulate the immune system? | [
"infection",
"pathogen",
"vaccine",
"assimilation"
] | vaccine | sciq |
31fc67ee-5a33-4dac-a967-4f167573905c | What form the skeletons of most organic molecules? | [
"hydrocarbons",
"carbon chains",
"peptide groups",
"amino acid chains"
] | carbon chains | sciq |
dc073c13-a5bb-4c62-9818-c1380912570f | What term describes the process of vesicles fusing with the plasma membrane and releasing their contents to the outside of the cell? | [
"endocytosis",
"exocytosis",
"plasmosis",
"biosynthesis"
] | exocytosis | sciq |
c39b717e-c27e-4b3d-b4e2-31968c2ec2ec | A sealed, vacuum-insulated reaction flask approximates what condition, in which neither matter nor heat can be exchanged between system and surroundings? | [
"isolated system",
"shared system",
"sure system",
"changing system"
] | isolated system | sciq |
cf0b8c5f-255c-47eb-ae25-07aaae21b2d5 | A metarteriole is a type of vessel that has structural characteristics of both an arteriole and this? | [
"capillary",
"electron",
"layer",
"tendon"
] | capillary | sciq |
94656bb9-8d0b-483a-bda1-a395ebaa31f5 | What sort of walls are helpful for keeping a slope stable? | [
"diverting walls",
"relocating walls",
"retaining walls",
"managing walls"
] | retaining walls | sciq |
762c7e28-bd89-4980-828a-5eae25c15bd7 | What is the most direct way of recovering a metal from its ores? | [
"electrolysis",
"osmosis",
"molecules",
"drilling"
] | electrolysis | sciq |
57c88d03-a75e-4891-91b2-b1ef4f131144 | What is the term used to describe the minerals and vitamins that are not needed for providing the body with energy but are still essential for good health? | [
"pigments",
"salts",
"micronutrients",
"non-energetic nutrients"
] | micronutrients | sciq |
f43afa97-9a04-4f10-9b66-7aa76bb577d6 | What type of map reveals the shape of a landscape? | [
"geographic",
"meteorological",
"geologic",
"topographic"
] | topographic | sciq |
ed024b8f-f8f0-462c-a3c5-c218ca51f932 | Does atmospheric pressure increase or decrease as the altitude increases? | [
"increase",
"depends on other factors",
"stays the same",
"decreases"
] | decreases | sciq |
4afd4138-3bc2-467e-9dd8-5497d980fbb8 | What term always refers to acceleration in the direction opposite to the direction of the velocity and always reduces speed, unlike negative acceleration? | [
"extraction",
"calibration",
"deceleration",
"progression"
] | deceleration | sciq |
4bd2857e-16cf-4a27-a216-55bad7c0a58e | What do you call a quantity of motion that has both size as well as direction? | [
"speed",
"vector",
"wave",
"vibration"
] | vector | sciq |
109b8d8a-c5ad-406a-820a-4fc564a3db34 | What process done by bacteria makes them important producers in aquatic ecosystems? | [
"infection",
"photosynthesis",
"reproduction",
"maturation"
] | photosynthesis | sciq |
ae66d8a7-84c0-49bf-be58-5e37afe8ee2b | Monosaccharides, disaccharides, and polysaccharides are types of what kind of macromolecule? | [
"nutrients",
"glucose",
"protein",
"carbohydrate"
] | carbohydrate | sciq |
ea7c1e28-f00f-42de-ac20-ddcd26967a32 | What action do particles of the same charge do to each other? | [
"pull",
"propagate",
"repel",
"destroy"
] | repel | sciq |
a4e62502-920f-471e-ae05-08da372f6a7a | A cold front is formed when a cold air mass runs into what? | [
"hurricane",
"warm air mass",
"dry air mass",
"cool air mass"
] | warm air mass | sciq |
cc7fd966-3854-412b-9f16-2fd97e9a7e98 | What is the the process by which remains or traces of living things become fossils called? | [
"fossilization",
"extirpation",
"fasciculation",
"gentrification"
] | fossilization | sciq |
47f9c8b4-166b-46cd-b156-138b00b034d0 | Light is a form of what kind of energy? | [
"gravitational energy",
"magnetic energy",
"static energy",
"electromagnetic energy"
] | electromagnetic energy | sciq |
6c5a7713-bef2-48d4-9496-44a4d424febf | When compared to anaerobic respiration, what does aerobic respiration release more of? | [
"carbon dioxide",
"heat",
"energy",
"pressure"
] | energy | sciq |
75ba12dd-4dd4-4038-8496-72acc57974e7 | As the telencephalon enlarges and grows into the cranial cavity, it is limited by the space within what bone structure? | [
"skull",
"skeleton",
"chest",
"spine"
] | skull | sciq |
69eacf82-5e80-49ef-af59-693db1e6aed7 | What is a relationship where one species benefits and the other is unaffected? | [
"parasitism",
"commensalism",
"mutualism",
"pollenation"
] | commensalism | sciq |
ab2b19da-5e2e-49ab-b183-ca1cdde8a295 | Quarks are very tiny particles of matter that make up what? | [
"electrons and neutrons",
"protons and neutrons",
"protons and electrons",
"atoms and neutrons"
] | protons and neutrons | sciq |
4d9a0b8e-e2db-4f13-bae2-f3ce3bda890a | What term is used to describe is the spontaneous emission of particles and radiation from atomic nuclei? | [
"intensity",
"radioactivity",
"microscopic",
"vibration"
] | radioactivity | sciq |
e1be3acc-7ec6-4b38-8b84-67c5344a0c57 | The right and left hip bones, with the addition of the sacrum and coccyx form what section of the skeleton? | [
"pelvis",
"necklash",
"tail bone",
"uterus"
] | pelvis | sciq |
a2716add-d9b6-4347-ade0-a7d705e083f6 | What do metals start out as? | [
"Metal molecules",
"nickel",
"aluminum",
"ore"
] | ore | sciq |
d9e894de-2e56-473d-b18f-ab0feddecd3b | What is the si unit for weight? | [
"pounds (lbs)",
"newton (n)",
"meters (m)",
"kilograms (kg)"
] | newton (n) | sciq |
aaffb49f-282e-4059-a326-66f710b15595 | The flower is an angiosperm structure specialized for what function? | [
"asexual reproduction",
"protection from cold",
"sexual reproduction",
"nutrient production"
] | sexual reproduction | sciq |
4e7bcc56-ba86-4b78-87d1-6ce8b71f2a61 | Recent evidence indicates some of what type of cells remain within the heart, continuing to divide and potentially replace dead cells? | [
"dendritic cells",
"stem cells",
"osteoclast cells",
"human cells"
] | stem cells | sciq |
1351c70b-9539-4649-ae5a-9bb11675eeeb | About what percentage of the earth's water is fresh water? | [
"nine percent",
"thirty percent",
"two percent",
"three percent"
] | three percent | sciq |
e0f4d9b3-68e5-4d8b-b356-a4ac7241e78f | While numerous elements can undergo fission, only a few can be used as fuels in what nuclear devices? | [
"laser beams",
"colliders",
"reactors",
"accelerators"
] | reactors | sciq |
197e1e61-10e0-45d6-9fb3-8f38d1afac28 | What is an estimation of all of the organic matter available as food, and involves measuring biomass in terrestrial environments? | [
"food chain",
"trophic level total",
"net primary productivity",
"decomposition energy"
] | net primary productivity | sciq |
0fa8fe34-f348-407c-95ff-2d12f2b0f79b | Twenty-four hours before fertilization, the egg has finished meiosis and becomes a mature what? | [
"fetus",
"zygote",
"spermatozoa",
"oocyte"
] | oocyte | sciq |
04ebedeb-48bd-40f2-bbf4-51dd349fbc34 | Oxygen is combined with what to form water? | [
"glucose",
"hydrogen",
"carbon",
"helium"
] | hydrogen | sciq |
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