id string | question string | choices list | answer_key string | source string |
|---|---|---|---|---|
1d531d5d-28c1-4c16-b190-358f6cdda894 | Adding carbon to iron makes what type of metal? | [
"ions",
"steel",
"plastic",
"titanium"
] | steel | sciq |
1770a113-cdae-41f3-bb7c-dc31bf859e10 | Which structure includes sugar-phosphate "backbones", composed of alternating phosphate groups and deoxyribose sugars, and nitrogenous bases? | [
"dna triple helix",
"dna double helix",
"molecule double helix",
"mulecular triplex"
] | dna double helix | sciq |
68a5ecca-0864-4190-8c5c-2031f63a04d1 | In a hydrogen replacement reaction, the hydrogen in the acid is replaced by what? | [
"water",
"gas",
"oxygen",
"an active metal"
] | an active metal | sciq |
4899809c-857c-44cd-bdc9-def2d7742533 | Mitosis and meiosis are both forms of division of the nucleus in these? | [
"converts cells",
"eukaryotic cells",
"endogenous cells",
"reproduction cells"
] | eukaryotic cells | sciq |
278170cd-6dac-4975-8ede-1dd05969f7e5 | What is the last step in a scientific investigation? | [
"documenting findings",
"communicating findings",
"retesting findings",
"verifying findings"
] | communicating findings | sciq |
cd85f88d-7d65-4ab3-93f0-2778c7edfd95 | Where is multiple fission more often observed? | [
"among multi-celled organisms",
"among vertebrates",
"among protists",
"among animals"
] | among protists | sciq |
28a48f8b-ec94-4955-9264-13b489c3c96d | What type of invertebrates where the earliest animals? | [
"arachnids",
"cnidaria",
"aquatic invertebrates",
"annelids"
] | aquatic invertebrates | sciq |
b07e2d97-2c7b-47ff-8807-5cb0bbb025c1 | Unlike wood and glass, steel is an example of a material that responds to what force? | [
"magnetic",
"thermal",
"kinetic",
"electromagnetic"
] | magnetic | sciq |
a1716f69-661a-4f0d-8cb6-017f92258ad1 | Carefully controlling the speed of a fission reaction produces what kind of energy? | [
"chemical",
"thermal",
"atomic",
"nuclear"
] | nuclear | sciq |
4cf8d888-c9a8-4de4-b929-6379ef72cd80 | When two electric contacts come together it completes a what? | [
"atom",
"charge",
"cricuit",
"breaker"
] | cricuit | sciq |
fb027ee8-e542-43f7-b066-be9eb1682574 | Pure nonpolar covalent bonds exist only between what? | [
"two producing atoms",
"two identical atoms",
"three altered atoms",
"two altered atoms"
] | two identical atoms | sciq |
34aae541-61b5-4a58-a94a-8f5e3e68a5c5 | The decay rate is measured in a unit called the what? | [
"half-life",
"radioactive decay",
"decay rate",
"exponential decay"
] | half-life | sciq |
d2a45883-ace2-4918-913c-062353102cca | What is a condition in which a material called plaque builds up inside arteries? | [
"atherosclerosis",
"fibrosis",
"scoliosis",
"arthritis"
] | atherosclerosis | sciq |
04de70db-b39b-4682-b99e-0baf2414a77e | Quarks in the middle energy family are found in cosmic rays and are produced in what? | [
"cosmic accelerators",
"particle splicers",
"particle accelerators",
"particle processors"
] | particle accelerators | sciq |
5e2a2bf8-5ce0-487a-b5e4-e884933c44d2 | What celestial body in the solar system makes up most of its total mass? | [
"Jupiter",
"sun",
"Andromeda",
"earth"
] | sun | sciq |
d6cb0d50-fd17-448b-a071-da077233c45f | Free ear lobes, widow's peak and a dimpled chin are examples of what kind of traits in humans? | [
"adaptations",
"genetic disorders",
"mendelian",
"spontaneous mutations"
] | mendelian | sciq |
d71082cf-7a7b-4e51-ba15-8df02ca38f07 | Producing light without heat is called what? | [
"osmosis",
"thermoluminescence",
"bioluminescence",
"luminescence"
] | luminescence | sciq |
68532b60-fc27-4bd6-90f6-b49383e131f4 | What natural part of the water cycle can cause damage and death? | [
"floods",
"expiration",
"evaporation",
"clouds"
] | floods | sciq |
c02e2668-56ce-4434-9256-6c28db2136d0 | How many large eggs are generated during oogenesis? | [
"4",
"one",
"3",
"2"
] | one | sciq |
77960c58-729b-4c94-8c35-134c9b2badd9 | Gaseous nitrogen is converted into forms that can be used by plants during a process called what? | [
"dioxide fixation",
"nitrogen fixation",
"oxygen fixation",
"plant fixation"
] | nitrogen fixation | sciq |
3ce3a7a0-8f97-49fc-942e-6f92a8ea98e3 | What is an example of a disease that affects the blood? | [
"scoliosis",
"tuberculosis",
"anemia",
"rickets"
] | anemia | sciq |
950edab2-5cb3-4c71-b0e3-0a73762232f7 | Name the term used to described prokaryotes that require oxygen. | [
"mouth breathers",
"anaerobic",
"aerobic",
"hydrophylic"
] | aerobic | sciq |
27a80c46-8849-4752-b3c9-813d19c80ee6 | Many ionic compounds with relatively large cations and a 1:1 cation:anion ratio have this structure, which is called the what? | [
"hydrocarbon structure",
"boron chloride structure",
"cesium chloride structure",
"analogous structure"
] | cesium chloride structure | sciq |
eb7058f8-b0fe-44f9-8462-3b1d58168f82 | What property increases as an object's mass increases, making a full box harder to push than an empty one? | [
"gravity",
"magnetism",
"inertia",
"weight"
] | inertia | sciq |
2d01d129-868f-4ed9-aced-e6d3198e9c94 | What will happen to sea levels due to increased global temperatures? | [
"Drop",
"surge",
"reverse",
"rise"
] | rise | sciq |
cab15426-739d-4e6f-a0d0-2916d122b946 | Sea-lilies, sea cucumbers and sea stars fall into what class of organism? | [
"snakes",
"mollusks",
"crabs",
"echinoderms"
] | echinoderms | sciq |
087ad94a-7109-49e3-b5bc-096e76cb71c5 | What kind of rock forms when material such as gravel, sand, silt or clay is compacted and cemented together? | [
"sedimentary",
"limestone",
"craters",
"ingenious"
] | sedimentary | sciq |
5add2a52-a954-4b5f-9952-3953e65103cb | In science, we need to make observations on various phenomena to form and test what? | [
"assumptions",
"variations",
"hypotheses",
"theories"
] | hypotheses | sciq |
22a747e0-f232-46ae-9d06-46a3d0f08a7b | What do industries use water to generate? | [
"refrigeration",
"electricity",
"pollution",
"light"
] | electricity | sciq |
00616a32-7573-41f8-93aa-49fc4b7f0868 | Mammals are synapsids, meaning they have a single opening in what structure? | [
"heart",
"skull",
"hip",
"spine"
] | skull | sciq |
a32d3bf4-1a02-43b2-890c-c6fd75a78116 | Liquids that mix with each other in all proportions are said to be miscible, maning they have infinite mutual what? | [
"insolubility",
"viscosity",
"solubility",
"salinity"
] | solubility | sciq |
572bf6d1-9818-4b58-96b0-07b66d2ad4ff | Which law relates the pressure, volume, and temperature of a gas? | [
"newton's law",
"combines gas law",
"shifts gas law",
"directions gas law"
] | combines gas law | sciq |
e74bce42-a166-4fce-97d7-37bede2dea49 | Heat and light are forms of what, which refers to the ability to do work? | [
"fuel",
"energy",
"food",
"waves"
] | energy | sciq |
04c6321a-bfd1-4595-aaae-32fd3de69688 | Volcano chains form as an oceanic plate moves over what? | [
"hot spot",
"melt spot",
"dust spot",
"Water spot"
] | hot spot | sciq |
0abd4c0c-67e8-4790-9025-1e771416542a | What type of planet is jupiter? | [
"a phantom",
"a red dwarf",
"a gas giant",
"a noble gas"
] | a gas giant | sciq |
c2e29d77-d2d0-4d70-8f40-aaca8840f985 | What does antifreeze do to the freezing temperature of the water in car radiators? | [
"raises it",
"keeps it constant",
"foresees it",
"lowers it"
] | lowers it | sciq |
cf86d2e8-9627-499f-bb36-8cdf8c8fab2a | What process typically occurs to metal exposed to outside elements? | [
"shrinkage",
"corrosion",
"extraction",
"explosion"
] | corrosion | sciq |
f2176d1c-b3a6-4557-a5f6-f2d3b8da6eb1 | The innermost layer of the sun is known as what? | [
"surface",
"photosphere",
"convective zone",
"core"
] | core | sciq |
b9146f6b-1ab3-446f-b2f0-52c9617bfcf8 | Motor neurons and sensory neurons are part of what nervous system? | [
"central",
"autonomic",
"peripheral",
"sensory-somatic"
] | sensory-somatic | sciq |
d8183835-f1e2-4bc5-bcc1-81f2484f0462 | What type of science is the study of matter and energy and includes chemistry and physics? | [
"genetics",
"Earth science",
"physical science",
"biology"
] | physical science | sciq |
af68db65-c0bb-42de-87ce-67ea78d9e391 | When plants lose their leaves in the fall, what chemical is produced less to cause the change? | [
"oxygen",
"chlorophyll",
"pheromes",
"carbonate"
] | chlorophyll | sciq |
23ebca8e-baad-4cec-a0fa-d6cdff471eb1 | In which kind of animals does parthenogenesis occur? | [
"invertebrates",
"mammals",
"tissues",
"species"
] | invertebrates | sciq |
b1a65785-de1a-484b-8fc4-48f2e65816f5 | What is the name of the temporary organ that begins to form from the trophoblast layer of cells shortly after implantation? | [
"appendix",
"placenta",
"embryo",
"uterus"
] | placenta | sciq |
276de0ad-6fbb-4e2c-8227-834544b3f40f | What term is used to describe anything that takes up space and has mass? | [
"matter",
"opacity",
"size",
"weight"
] | matter | sciq |
60c4b765-dfaa-43f4-8184-fe95f0593e48 | What is the organ that senses sound? | [
"ear",
"eye",
"nose",
"skin"
] | ear | sciq |
4c41334e-b21e-41b5-b0c1-b9bf0e9d6bd7 | What can be described in terms of size, density, and distribution? | [
"habitats",
"biomes",
"dimensions",
"populations"
] | populations | sciq |
06bdbfcd-dcb3-44e4-b1e1-4541a7a7c3e4 | What is the term for the simplest form of matter that has a unique set of properties? | [
"an electron",
"an element",
"a neutron",
"an atom"
] | an element | sciq |
ed5d9fcb-2155-4175-b616-cd3ede9f029b | What causes light to refract? | [
"speeding up",
"slowing down",
"bending",
"blinking"
] | slowing down | sciq |
1606a2b9-d5aa-4161-a05e-7b91b2fa4611 | Capacitors can be used to filter out low frequencies. for example, a capacitor in series with a sound reproduction system rids it of the 60 hz what? | [
"white noise",
"hum",
"vibration",
"echo"
] | hum | sciq |
852403f1-849b-45c8-9f87-9505750a3969 | What is made up of nerve cells that sense stimuli and transmit signals? | [
"nervous tissue",
"dependent tissue",
"blood tissue",
"muscle tissues"
] | nervous tissue | sciq |
4b52adba-9ff4-4daa-b875-d4a3a3003242 | Some animals prepare for the long winter by going into what? | [
"hibernation",
"pollination",
"suspended animation",
"fermentation"
] | hibernation | sciq |
d00788ef-6dff-47f7-9a46-a488edaef656 | It may seem as though burning destroys matter, but the same amount of what, still exists after a campfire as before? | [
"mass",
"energy",
"termperature",
"concentrations"
] | mass | sciq |
82c1969f-b41c-45e4-aca7-6af3ad3e430c | Different isotopes of an element have different mass numbers because they have different numbers of what? | [
"electrons",
"protons",
"nuclei",
"neutrons"
] | neutrons | sciq |
512c2c2d-338b-4df4-8ee2-901a506ed574 | Density is defined as the mass of an object divided by its what? | [
"growth",
"volume",
"liquid",
"size"
] | volume | sciq |
286f554c-d6af-49ca-9237-f1728c23169b | What element is responsible for one-half of the osmotic pressure gradient that exists between the interior of cells and their surrounding environment? | [
"sodium",
"potassium",
"calcium",
"nitrogen"
] | sodium | sciq |
d976dfff-d9a3-4b92-8e7e-2a3b26d47e40 | What types of orbits do comets usually have? | [
"convex",
"spectral",
"elliptical",
"vertical"
] | elliptical | sciq |
2d18e264-6b5b-47fc-9296-9ee316eab2bf | What describes how close an estimate is to a known standard? | [
"precision",
"frequency",
"accuracy",
"diversity"
] | accuracy | sciq |
d77cc23d-0e25-42eb-81ed-9df71ff4e08a | Canoe paddles, nutcracker, and hammer are examples of what type of simple machine? | [
"lock",
"pivot",
"handle",
"lever"
] | lever | sciq |
25f9cbba-1b76-488f-bdd0-3bf1bd6fc1ec | What do most species of monkeys have that no apes or humans do? | [
"fur",
"large brain",
"tail",
"five fingers"
] | tail | sciq |
dd853432-a653-4943-8cda-9e826cc9773c | What are joints in which the bones are connected by a band of connective tissue? | [
"plane",
"syndesmoses",
"cartilaginous",
"saddle"
] | syndesmoses | sciq |
304cfd66-abe3-421c-98e3-9be9d5932824 | What are the four stages of food processing? | [
"ingestion, digestion, absorption, and elimination",
"ingestion, digestion, elimination and extinction",
"ingestion, reproduction, absorption, and elimination",
"ingestion, digestion, absorption, and reproduction"
] | ingestion, digestion, absorption, and elimination | sciq |
86846568-c8a6-40bb-86cd-7a1859c90c0e | What are different forms of the same gene? | [
"genomes",
"nuerons",
"alleles",
"peptides"
] | alleles | sciq |
5026e7f4-32ac-4065-9199-70dcc26e470d | What is the wheeled robot developed by nasa to explore the surface of mars? | [
"mars rover",
"mars robot",
"mars driver",
"mars SUV"
] | mars rover | sciq |
bacb5e0e-697b-4807-9d38-e6507b4e0d78 | What effect does taking anabolic steroids have on testosterone production? | [
"increases it",
"does nothing",
"reduces it",
"eliminates it"
] | reduces it | sciq |
82198afa-0254-4290-8c05-9b3979506c7f | Living in a large colony requires good communication. ants communicate with chemicals called what? | [
"peptides",
"hormones",
"alkalides",
"pheromones"
] | pheromones | sciq |
29d30d8a-bad5-4983-8644-5b2b429b31d6 | What complex carbohydrates are the polymers of glucose? | [
"fruits",
"sugars",
"starches",
"fats"
] | starches | sciq |
6da1fc7e-97ce-402e-bbd7-3da588b2eefe | What is the term for the shallow space above the zygomatic arch in a skull? | [
"temporal fossa",
"angular fossa",
"Medium Fossa",
"distinct fossa"
] | temporal fossa | sciq |
d5a100cf-fbc7-41c1-af79-bf450df65b19 | What is the inner layer of skin called? | [
"the dermis",
"connective layer",
"the epidermis",
"hypodermis"
] | the dermis | sciq |
961036a0-df36-48e5-843a-f91ffa3276ba | Many european and asiatic elms are less susceptible to dutch elm disease than which elms? | [
"caribbean",
"rican",
"american",
"african"
] | american | sciq |
2dd9d905-a9c3-4064-bbb8-bc8edc899dad | What does a thermometer measure? | [
"temperature",
"size",
"precipitation",
"oxygen"
] | temperature | sciq |
8ae7bc4c-1c91-4c57-9146-3d417320e254 | What are plant-like protists called? | [
"algae",
"sponge",
"spores",
"fungi"
] | algae | sciq |
84f455a4-aa67-4a20-ad53-07a389676a05 | What is a series of processes that remove unwanted substances from water called? | [
"water treatment",
"water filtration",
"water dilution",
"water cleaning"
] | water treatment | sciq |
da3d81f3-16d8-4a53-b059-32f99b788958 | Original atoms are called what type of isotopes? | [
"product",
"offspring",
"parent",
"component"
] | parent | sciq |
bbf6558d-c82c-4f1e-9535-47e87cb0d60c | What do you call an area covered with water, or possessing very soggy soil, all or part of the year? | [
"wetland",
"stream",
"island",
"peninsula"
] | wetland | sciq |
84923536-516e-4f5b-a4b0-825c33d22e84 | In which continent are meerkats most likely to be found? | [
"North America",
"africa",
"Australia",
"South America"
] | africa | sciq |
f0c71df7-24d6-414f-92d0-b378b16b0300 | What is the name of the thin layer that acts as a boundary between the stratosphere and the mesosphere? | [
"ozone layer",
"spicule",
"spirogyra",
"stratopause"
] | stratopause | sciq |
fbb80bc1-9d00-4fef-b0c0-07638fee7c72 | What is the process of removing wastes and excess water from the body? | [
"depletion",
"ingestion",
"diffusion",
"excretion"
] | excretion | sciq |
9c5f68ab-e719-4e75-b5a7-baa5583c762e | Which measure shows how individuals in a population are distributed, or spread throughout their area? | [
"population phase",
"population distribution",
"geographical distribution",
"proportional distribution"
] | population distribution | sciq |
1eb2125d-2470-4712-860d-22fee547429e | What is a simple carbohydrate with the chemical formula c 6 h 12 o 6 better known as? | [
"glutamate",
"alcohol",
"glucose",
"fructose"
] | glucose | sciq |
ccb34538-51a3-410f-abb2-6dbbc4b5ba89 | Groups of related organs form what? | [
"maturation systems",
"organ systems",
"community systems",
"artificial systems"
] | organ systems | sciq |
048cf37a-57ea-4bcc-968a-78bc58c9aab5 | Each lymph organ has a different job in what system? | [
"nervous",
"respiratory",
"immune",
"circulatory"
] | immune | sciq |
c6ff0ae1-196f-44ba-8690-98bbb1f05702 | The number of protons in an atom is called what? | [
"metallic number",
"isotope",
"atomic number",
"mass number"
] | atomic number | sciq |
3c6c8544-6970-4f7d-ae6c-cac6127f1a23 | Crevasses are found in glaciers. how do these come about? | [
"god",
"rigidity",
"from movement",
"man made"
] | from movement | sciq |
6b5c040e-f91b-40b9-af16-59abc4054a7e | Combining nonpolar olive oil and polar vinegar yields what type of mixture? | [
"amorphous",
"heterogeneous",
"homogeneous",
"omnigeneous"
] | heterogeneous | sciq |
189a16fa-9727-4a65-bb1a-ee0f922e9660 | If no conclusion is reached after an experiment, the scientist may retest what? | [
"materials",
"hypothesis",
"conclusion",
"suggestions"
] | hypothesis | sciq |
336379dc-5fc5-4d4d-9226-d66090f2fef8 | What builds up in an artery and reduces blood flow? | [
"surface tension",
"plaque",
"pressure",
"calcium deposits"
] | plaque | sciq |
b9ba2e5f-e28c-4ae1-a19f-dc618d7f8ee7 | Compounds with metals and nonmetals sharing electrons are known as what kinds of compounds? | [
"acids",
"ions",
"atoms",
"eons"
] | ions | sciq |
b2b7f776-0159-4666-968c-98d56eb45e54 | What are the only organisms that can perform photosynthesis? | [
"autotrophs",
"heterotrophs",
"monocots",
"sponges"
] | autotrophs | sciq |
f871483a-aabc-4a92-95d6-e70944ba4323 | What is an interesting example of a molecule with two central atoms, which are both c atoms? | [
"water",
"chloride",
"sulfur",
"acetylene"
] | acetylene | sciq |
3dafdd25-ba86-437e-9ad6-1ba6da0cfd32 | What is the name of the fungi that are ubiquitous in lakes and soil? | [
"eomycota",
"sporozoans",
"zygomycota",
"chytrids"
] | chytrids | sciq |
85a2d477-a7d6-46c7-be44-911f8d275aac | All the atoms of a given element have the same number of what in their nucleus, though they may have different numbers of neutrons? | [
"compounds",
"electrons",
"protons",
"molecules"
] | protons | sciq |
7fe7bdc7-0c7b-46f6-a9b0-e348083c1fdb | What causes a voltage to exist across the membrane in cells? | [
"same charge",
"difference in charges",
"insulators",
"increase in energy"
] | difference in charges | sciq |
3138ce68-a3b0-4826-b127-0b844230a292 | A synergist that makes the insertion site more stable is called a what? | [
"lesion",
"dominator",
"fixator",
"kilocalorie"
] | fixator | sciq |
21f2e4ab-17ff-4e44-bb99-4b4b6e33a25d | What system of the body is generally responsible for breathing? | [
"integumentary",
"cardiac",
"respiratory system",
"excretory"
] | respiratory system | sciq |
75ae8de9-f7d5-49c8-b1f1-c875ac1d988f | Carbon dioxide does not rise like other gases because it has a density greater than what? | [
"gravity",
"water",
"air",
"light"
] | air | sciq |
4510b1de-1208-4d01-916d-069bf099961d | What is the property that determines the amount of current flow through a particular material? | [
"demand",
"surface tension",
"pressure",
"resistance"
] | resistance | sciq |
1a157394-e2c3-4605-8627-8ebf7a9cb4ed | In glycolysis, glucose is split into two molecules of pyruvate. this results in a net gain of? | [
"three atp molecules",
"six atp molecules",
"two atp molecules",
"four atp molecules"
] | two atp molecules | sciq |
c6659ed6-f7dc-4ec6-a359-9d205bd27813 | What organ do we use to hear sound? | [
"antennae",
"the ear",
"eye",
"amplifier"
] | the ear | sciq |
215cc082-78e1-4059-8404-809779e5edcb | Mixture of metals is called what? | [
"fusion",
"alloy",
"amalgm",
"compound"
] | alloy | sciq |
44f18e87-9dbb-4229-b015-4905f6480d27 | The rate the magma cools determines what property of the rock? | [
"color",
"location",
"size",
"texture"
] | texture | sciq |
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