id string | question string | choices list | answer_key string | source string |
|---|---|---|---|---|
55e5e21c-8cbc-48b7-906f-8d96c8cafdb1 | What do you call the fast-moving air currents high in the troposphere? | [
"wind streams",
"jet streams",
"cyclones",
"stationary fronts"
] | jet streams | sciq |
e456d028-c02d-4066-8690-7f7d2142954b | What describes a close and long-term interaction between different species? | [
"dermatitis",
"parasitic",
"symbiosis",
"endosymbiosis"
] | symbiosis | sciq |
5d8d70ca-5c2a-486c-86f0-f80bcb95894e | Rudolf virchow developed the hypothesis that cells only come from other cells in what year? | [
"1898",
"1848",
"1858",
"1868"
] | 1858 | sciq |
4bc0fcd3-3ce1-4ee2-999e-e9019396e8de | Because they have free electrons, metals are able to conduct what? | [
"radiation",
"electricity",
"sound",
"light"
] | electricity | sciq |
dd935ae4-830d-482a-ab13-6a9a47dd06cb | What are oil in folded layers of rock called? | [
"macroparticle",
"oscillations",
"dendrites",
"anticlines"
] | anticlines | sciq |
1e2555af-38c1-4a6c-b80f-b667b9297490 | Lymph vessels are like blood vessels, except they move what instead of blood? | [
"sperm",
"marrow",
"air",
"lymph"
] | lymph | sciq |
62e7d673-539c-4ab4-af49-4b28ffbef836 | During the first several weeks of development, the cells of the endometrium nourish what? | [
"nucleus",
"embryo",
"egg",
"uterus"
] | embryo | sciq |
6887b4fc-a15f-4093-89d2-0e6e35d3ce8f | Which type of joints do not allow any movement of the bones? | [
"fitted",
"fixed",
"linked",
"attached"
] | fixed | sciq |
84dc941c-88a0-4f3a-945f-475ad2866e70 | What type of waves carry energy through matter or space as vibrating electric and magnetic fields? | [
"sound waves",
"mechanical waves",
"light waves",
"electromagnetic waves"
] | electromagnetic waves | sciq |
51e7e1b6-deb7-4d35-945b-dc932c5ee51f | What happens when water is removed from the endospore? | [
"its metabolism halts",
"reversal",
"hibernation",
"suspension"
] | its metabolism halts | sciq |
7f770b80-8fe0-481e-afe1-94779cbd3a48 | What is the term for the intentional release or spread of agents of disease? | [
"bioterrorism",
"pandemic",
"plague",
"diversion"
] | bioterrorism | sciq |
3a09e3c7-e667-428d-9bb7-f8bccf94fc4d | Two important types of waves include longitudinal waves and what other kind? | [
"irregular",
"transverse",
"slow",
"phenomena"
] | transverse | sciq |
d18c7bb5-f414-4d3a-8f75-efd7de142449 | The motion of stars in galaxies imply that there is about 10 times as much what as in the luminous objects we can see? | [
"mass",
"heat",
"density",
"light"
] | mass | sciq |
3bb63dd9-ea87-4192-97f6-ea21353196da | Polymers, ceramics, adhesives, coatings, and liquid crystals are examples of materials recently discovered or developed by what type of scientists? | [
"chemists",
"engineers",
"geologists",
"material scientists"
] | chemists | sciq |
bda87a1e-adb1-4117-b54a-31681ad61445 | What does the urethra do? | [
"stores sperm and urine",
"makes sperm and evacuates bowels",
"filters urine and makes sperm",
"carries urine and sperm out of the body"
] | carries urine and sperm out of the body | sciq |
d6c9be96-2c49-4a9a-a7b4-add46baa091f | What is the term used to measure the intensity of sound waves? | [
"phon",
"hertz",
"decibel",
"amplitude"
] | decibel | sciq |
3aa263a7-0e47-488a-a48a-759af39064c9 | What can be thought of as the most biologically productive regions on earth? | [
"coasts",
"swamps",
"estuaries",
"forests"
] | estuaries | sciq |
f1ec2b1e-bf56-478a-836b-468f5481f5af | What is the scientific term for farsightedness? | [
"hyperopia",
"myopia",
"hypoxia",
"micropsia"
] | hyperopia | sciq |
dfae0cde-98fd-4109-bd0d-a8575862929e | During fetal development of the heart, what does the bulbus cordis develop into? | [
"right ventricle",
"last ventricle",
"left atrium",
"right atrium"
] | right ventricle | sciq |
9d0c1f7e-b3e8-4989-a8c7-f84854f7cc3d | A more crucial use of rc circuits for timing purposes is in the artificial pacemaker, used to control what? | [
"iron levels",
"breathing rate",
"heart rate",
"blood pressure"
] | heart rate | sciq |
8eb9b6e1-18f1-4fcb-aba0-77bfcf122d25 | What causes earthquakes at mid-ocean ridges to be small and shallow? | [
"plates are thick , old , and hot",
"plates are thin , young , and cold",
"plates are thin , young , and hot",
"plates are thick , young , and cold"
] | plates are thin , young , and hot | sciq |
dbee41d1-b9ce-474b-83a4-652789b82dd2 | Most geological activity takes place where? | [
"high altitudes",
"ocean floor",
"at plate boundaries",
"center of plates"
] | at plate boundaries | sciq |
b655acd2-4157-4636-991b-ca4c2dfc218e | What do we call the amount of time it will take for half of the radioactive material to decay? | [
"one partial-life",
"one full-life",
"one quarter-life",
"one half-life"
] | one half-life | sciq |
2e45756f-8c21-44d8-ae8e-5f1e166c1be5 | What are organisms that depend on other living things for food? | [
"consumers",
"customers",
"products",
"buyers"
] | consumers | sciq |
01fb95e5-57a3-4d32-81c0-abdbd65d83b6 | Which part of the nerve cell helps transmit nerve impulses? | [
"cell walls",
"long, threadlike extensions",
"synapses",
"dendrites"
] | long, threadlike extensions | sciq |
07e7631f-2eed-4d1e-9b24-6c5d97472b8f | Mount kilimanjaro has ________ climates at the top and bottom? | [
"rainy",
"different",
"similar",
"dangerous"
] | different | sciq |
834a57ea-0b55-4427-b71c-83dbca5ecde0 | What physical process occurs when large chunks of food are broken down into smaller pieces? | [
"peristalsis",
"mechanical digestion",
"swallowing",
"chemical digestion"
] | mechanical digestion | sciq |
e3472126-fa00-4f07-95b8-dde3f6632909 | What is the term for the early growth and development of a plant embryo inside a seed? | [
"fertilization",
"rumination",
"germination",
"secretion"
] | germination | sciq |
6633d54e-07d9-43c8-bbaf-c6a80dfb7803 | Elements are either metals, nonmetals, or what? | [
"semimetals",
"reactive metals",
"unstable metals",
"partial metals"
] | semimetals | sciq |
29c15af7-8487-4ecf-ac39-fa3e1c4914a8 | Shield volcanoes often form along which locations? | [
"fault lines",
"convergent boundaries",
"tectonic plates",
"divergent plate boundaries"
] | divergent plate boundaries | sciq |
24652bd4-139b-44be-a743-63db729d4f4d | What is the study of the vital statistics of populations and how they change over time? | [
"ethnography",
"anthropology",
"demography",
"sociology"
] | demography | sciq |
9c6ef909-de17-423f-9403-3651bd4a748a | Compared to free-floating bacteria, bacteria in biofilms often show increased resistance to what? | [
"antibiotics and detergents",
"acid and antibiotics",
"acid and detergents",
"alcohol and detergents"
] | antibiotics and detergents | sciq |
e1e89db9-e29a-49fc-a493-162f91e68f8b | What type of energy travels in waves across space as well as through matter? | [
"kinetic energy",
"electromagnetic radiation",
"thermal energy",
"mechanical radiation"
] | electromagnetic radiation | sciq |
0411e444-23a7-4a11-a900-6a00e2bcefcb | If an elephant and a boy are falling towards the ground, who will land first? | [
"the boy",
"both same time",
"neither will land",
"the elephant"
] | both same time | sciq |
b9989c08-e1d5-438e-9519-df2a98d8c687 | Designed to support the weight of the upper body when sitting and transfer this weight to the lower limbs when standing, what body structure consists of four bones: right and left hip bones, sacrum, and coccyx? | [
"pelvis",
"tissues",
"lungs",
"Chest"
] | pelvis | sciq |
aeec2367-1fc3-44c9-aaa2-5a83f2d36c32 | Of all the electromagnetic waves, which have the lowest frequencies? | [
"X-rays",
"radio waves",
"ultraviolet rays",
"gamma rays"
] | radio waves | sciq |
bf67f615-f3e6-4646-ace4-0487c2038300 | What do you call reversible changes that do not change matter’s chemical makeup or chemical properties? | [
"chemical changes",
"physical changes",
"element changes",
"potential changes"
] | physical changes | sciq |
2b9d5591-9097-4711-8ace-774ccd8f6699 | Free atoms are spherical in shape, so the relative sizes of the elements can be compared by looking at each atom's atomic what? | [
"angles",
"axis",
"radius",
"weight"
] | radius | sciq |
7fca2c1b-2558-4218-80c2-0602c5171214 | What types of energy is released during a chemical reaction? | [
"temperature , electricity , light",
"heat, electricity, light",
"human, magnetic, electrical",
"magnetism, electricity, light"
] | heat, electricity, light | sciq |
9ba8919f-318f-4e12-b770-f8af90c94b2e | What is the most common type of organic compound? | [
"carbohydrates",
"hydrocarbons",
"proteins",
"lipids"
] | carbohydrates | sciq |
5aa783a2-c1f2-4cb2-bc34-18bbc41b8ca1 | Hormones, ions, and neurotransmitters are all types of what? | [
"nutrients",
"proteins",
"pathogens",
"chemical signals"
] | chemical signals | sciq |
c7f6d93d-e434-4593-a3ea-25c06683de00 | What explains why water molecules tend to stick together? | [
"mineral bonds",
"covalent bonds",
"hydrogen bonds",
"helium bonds"
] | hydrogen bonds | sciq |
562f9f23-d1d0-4ea5-ab3a-6e7965933315 | The maturing follicle, containing a fluid-filled cavity, enlarges, forming a bulge near the surface of what? | [
"the vagina",
"the abdomen",
"the ovary",
"the pelvis"
] | the ovary | sciq |
eceba27f-398a-4399-9721-9d4a707a3303 | Storm surge is very high water located in the low pressure eye of what? | [
"hurricanes",
"tornados",
"eruptions",
"earthquakes"
] | hurricanes | sciq |
d3621d8f-cb3a-45e8-a271-10909b1fe9c9 | What is a waste product from fossil fuel burning? | [
"co2 emissions",
"oxidation",
"smog",
"hydrogen gas"
] | co2 emissions | sciq |
9c6841bf-44bd-49fc-a5ee-d69b370e9f9a | Carbon dioxide is an example of a material that easily undergoes what? | [
"amplification",
"spontaneous mutation",
"decomposition",
"sublimation"
] | sublimation | sciq |
97352cc0-90f5-4119-a209-ade9c54f0c00 | What is the term for daily cycles of behavior, like the sleep-wake cycle? | [
"daily rhythms",
"circadian rhythms",
"variable rhythms",
"behavioral rhythms"
] | circadian rhythms | sciq |
6e0db428-6853-4945-be0c-9f561aa3a47e | What organ senses sound? | [
"teeth",
"ear",
"brain",
"eyes"
] | ear | sciq |
330c689b-4172-4e2c-baa7-421c4e6cddbe | The total energy assimilated by an ecosystem in a give period is known as what? | [
"size primary production",
"gross primary production",
"mean primary production",
"median primary production"
] | gross primary production | sciq |
956261c6-16bf-4d13-a3b1-55c67e98b5f2 | Class bivalvia (“two shells”) includes clams, oysters, mussels, scallops, and these? | [
"geoducks",
"octopuss",
"grendels",
"crabs"
] | geoducks | sciq |
4fc71da0-3a43-4ec3-86e9-a6abe567443c | When does a caldera form? | [
"after a hurricane",
"after an eruption",
"when faults form",
"before an eruption"
] | after an eruption | sciq |
fa203578-bde3-4e28-bbd4-2f372c2afbc5 | The mass lost in mass defect has gone into energy called what? | [
"kinetic energy",
"momentum",
"enthalpy",
"binding energy"
] | binding energy | sciq |
87555347-b9e9-402b-81d8-637383ca8c46 | What is used for the fermentation process that makes beer, wine, and bread? | [
"whey",
"barley",
"yeast",
"fungi"
] | yeast | sciq |
30a05c18-af57-407a-99ad-f43af2fc8f73 | Plant viruses can seriously disrupt crop growth and development, significantly affecting our what? | [
"harvest supply",
"air supply",
"food supply",
"fuel supply"
] | food supply | sciq |
daf649ea-66f0-4d54-9423-a2f47fcbb217 | In the past, biologists grouped living organisms into five kingdoms: animals, plants, fungi, protists, and what? | [
"bacteria",
"trees",
"lizards",
"pathogens"
] | bacteria | sciq |
4496aaeb-b6d7-427b-ade1-ad1d0cae017e | What kind of joints allow for a wide range of flexibility? | [
"anchor",
"pivot",
"ball and socket",
"lever"
] | ball and socket | sciq |
6958ebe3-da27-405f-bb56-8ead7e4904af | The human body wants to maintain equilibrium or balance, also known as what? | [
"perfection",
"stability",
"heterostasis",
"homeostasis"
] | homeostasis | sciq |
8ca2b27f-0109-4bbd-aa2f-69f5e4fb0082 | Natural gas, such as those burned by gas stoves, is composed mostly of this? | [
"methane",
"sulfur",
"carbon monoxide",
"oxygen"
] | methane | sciq |
d990819e-f201-48be-a2d3-4dfe58493dcf | Which is the process through which leaves collect sunlight and make food? | [
"richness",
"photosynthesis",
"compress",
"Greenhouse"
] | photosynthesis | sciq |
54f958e5-35cf-4c80-b8ea-1c424d4579a1 | What model describes the structure of the plasma membrane as a mosaic of components? | [
"sensors mosaic model",
"solid mosaic model",
"coolant mosaic model",
"fluid mosaic model"
] | fluid mosaic model | sciq |
8d53e2de-148c-484e-af12-70d0ebb8ea4b | The hot liquid rock on the surface is called what? | [
"flow",
"lava",
"Molten",
"volcano"
] | lava | sciq |
39a6059e-4939-48ac-b683-93c70dc22fa6 | The first consumption of breast milk or formula floods the newborn’s sterile gastrointestinal tract with beneficial what? | [
"bacteria",
"pathogens",
"oxygen",
"disease"
] | bacteria | sciq |
24064071-d7d9-4377-9ba4-86a3f50831b4 | Clouds are formed from what? | [
"snow flakes",
"water droplets",
"dust particles",
"ice crystals"
] | water droplets | sciq |
4a0b4fe4-a071-4817-a16a-600d7f4eeea9 | After spermatids form, they move where to mature into sperm? | [
"into the epididymis",
"into the volaris",
"into the prostate",
"into the vans deferens"
] | into the epididymis | sciq |
0250cc28-8b07-4669-ad32-5af382b777d0 | Matter can exist either as a pure substance or as a combination of what? | [
"different substances",
"much substances",
"different vapors",
"Different Liquids"
] | different substances | sciq |
2a7d01ea-d250-43e9-a9c6-387be3c72a58 | What is the separation of compounds on the basis of their solubilities in a given solvent? | [
"fractional crystallization",
"volatile crystallization",
"fractional mass",
"solvent law"
] | fractional crystallization | sciq |
cf8bf0c9-6d65-4b31-a2e8-4c7932c82d7e | Triploblasts include a broad range of animals, from flatworms to arthropods to what? | [
"cells",
"vertebrates",
"invertebrates",
"mammals"
] | vertebrates | sciq |
1dc12855-10e9-4a3c-890b-b0934b66276c | What is the release of particles and/or energy from the nucleus of an atom described as? | [
"temperature",
"radioactivity",
"kinetic energy",
"momentum"
] | radioactivity | sciq |
1a3c109c-8441-4696-877d-2d3fbd1bf544 | Through which process do behaviors that improve fitness increase? | [
"adaptation",
"succession",
"mutation",
"natural selection"
] | natural selection | sciq |
b1309041-f0ec-4f00-845f-99595803ec61 | Enzymes - proteins which speed up what? | [
"physical reactions",
"liquid reactions",
"chemical reactions",
"crystals reactions"
] | chemical reactions | sciq |
da9ac41d-1dee-4234-bba9-3bf00689777d | What do you call the sudden flow of mud down a slope because of gravity? | [
"rockflow",
"mountainside",
"typhoon",
"mudslide"
] | mudslide | sciq |
fc6e5fb9-9ec5-4517-babf-fe0e0cc9a57a | What causes acid rain, ozone depletion, and global warming? | [
"ozone layer",
"water pollution",
"radiation",
"air pollution"
] | air pollution | sciq |
44f8c394-fa80-4c33-96ab-963921ec2b4d | The amniotes are distinguished from amphibians by the presence of a terrestrially adapted egg protected by what? | [
"hard shell",
"amniotic membranes",
"yolk",
"albumen"
] | amniotic membranes | sciq |
0335a21d-ca14-4570-89ee-347aa89da378 | The cells of what basic plant structure lack chloroplasts? | [
"ferns",
"leaf",
"stem",
"root"
] | root | sciq |
a98f6da4-67d0-46f8-aa9f-49eea20c5800 | What muscle in the chest helps inflate and deflate the lungs? | [
"heart",
"cartilage",
"diaphragm",
"pectoral"
] | diaphragm | sciq |
cfd6d280-8554-4507-a24e-8283ebecd056 | Where in the lungs does gas exchange between the air and blood takes place? | [
"ganglion",
"alveoli",
"left lobe",
"bronchial tube"
] | alveoli | sciq |
07f4410c-785a-4641-b97e-d8a2b75c198a | What are hollow cylinders and are the thickest of the cytoskeleton structures? | [
"nucleotides",
"cytoplasm",
"microtubules",
"vesicles"
] | microtubules | sciq |
1ac98ad7-61f7-422f-9541-6b5f5e781ce0 | What simple sugar is the cell's primary source of energy? | [
"nicotine",
"glucose",
"chloride",
"carbon"
] | glucose | sciq |
4976be1e-4c05-4016-8580-6ed5d7c74564 | What is the approximate population on the earth? | [
"9 trillion",
"7.3 billion",
"41 billion",
"7 billion"
] | 7 billion | sciq |
4b8e683b-d75a-4ac9-9772-e64f27334730 | A change in the sequence of bases in dna or rna is called a what? | [
"accumulation",
"infection",
"isolation",
"mutation"
] | mutation | sciq |
3bf7e332-4b7d-4dee-aaa2-036de9054d0e | What is the product of microfilament movement powered by chemical energy? | [
"nerve stimulation",
"blood circulation",
"muscle fusion",
"muscle contraction"
] | muscle contraction | sciq |
d188c3df-e140-4964-933f-4fa232ac1e94 | What is a measure of how much energy is needed to change the temperature of a substance? | [
"specific heat",
"specific gravity",
"thermal potential",
"momentum"
] | specific heat | sciq |
601b880e-b193-4643-ad30-0f8bc50c3553 | What is the common term for animals in the phylum porifera? | [
"corals",
"sharks",
"sponges",
"crustaceans"
] | sponges | sciq |
b88ddb52-b146-4587-a4e9-2490a5810805 | What term is used to describe a change in the characteristics of living things over time? | [
"evolution",
"generation",
"customization",
"reproduction"
] | evolution | sciq |
386677f8-9405-41d3-ad9d-a026815aa2d8 | What can accept a wide range of carbohydrates for catabolism? | [
"glycolysis",
"photosynthesis",
"cellular respiration",
"enzymes"
] | glycolysis | sciq |
0b9d0be5-69a0-4e0d-8b8a-6aa54eb47e83 | What includes all living things within all their environments, including everywhere life exists, from the upper atmosphere, to the top of the soil, to ocean bottoms? | [
"habitat",
"biome",
"biosphere",
"community"
] | biosphere | sciq |
eafc9ac1-e3ac-4a34-9c2e-5330389d3aac | What is unique and found in all living things because it can form up to four covalent bonds between atoms or molecules? | [
"potassium",
"hydrogen",
"carbon",
"oxygen"
] | carbon | sciq |
46bee407-0bbd-4cef-a8d9-146cbda14914 | What kind of rock is gypsum? | [
"sedimentary",
"igneous",
"metamorphic",
"basalt"
] | sedimentary | sciq |
39310763-9043-42fb-8372-49ee756c6966 | What component of a prokaryote is unique in molecular composition and mechanism of propulsion? | [
"the membrane",
"the amoeba",
"the flagella",
"the sporangia"
] | the flagella | sciq |
029eb1b5-62b6-44d9-8e93-83821e0965a2 | The sum of the masses of the atoms in the formula is referred to as what? | [
"magnetic mass",
"atomic mass",
"nucleus mass",
"molecular mass"
] | molecular mass | sciq |
69f42aa9-17ee-46a3-af0d-9f7361e4af19 | What size of ring will a summer drought cause in a tree? | [
"giant",
"smaller",
"larger",
"medium"
] | smaller | sciq |
bc4865f1-2bda-43d6-8aba-a521551f1090 | What is the technical term for species that produce their own body heat and regulate their internal temperature independently of the outside temperature? | [
"hydrostatic",
"Phototrophic",
"endothermic",
"osmotic"
] | endothermic | sciq |
812ca218-3296-4aaa-824b-c05fe98bcf5e | What is the transparent outer covering of the eye? | [
"iris",
"cornea",
"pupil",
"retina"
] | cornea | sciq |
59e4d7ae-d166-43ff-8359-0be34444ac0e | Photoreceptors in each ocellus receive light only through the opening where there are none of which cells? | [
"opqaue",
"secreted",
"pigmented",
"clear"
] | pigmented | sciq |
2e7262ea-d308-4f5f-b285-346a2e91e16d | What helps form the walls of internal organs such as the heart and stomach? | [
"muscles",
"tissues",
"valves",
"blood"
] | muscles | sciq |
b43a94f8-e874-46cf-930b-3a9993f27f45 | How many valence electrons does helium have? | [
"two",
"three",
"six",
"Five"
] | two | sciq |
6e6241b1-bdce-4336-a2f5-4314a4f46807 | What is continuously changing within a circuit in an analog signal? | [
"energy",
"voltage",
"amplitude",
"frequency"
] | voltage | sciq |
78ed5c6b-868b-4ec1-b27b-d42e30c8d551 | What is made and stored primarily in the cells of the liver and muscles? | [
"carbon dioxide",
"glucose",
"glycogen",
"oxygen"
] | glycogen | sciq |
ae610899-d4e9-4754-94d7-c3f1c61f0e03 | Electromagnetic waves vary in wavelength and in what property, which is lower in waves of longer wavelengths? | [
"density",
"frequency",
"resonance",
"size"
] | frequency | sciq |
4246ed9d-f7ae-4199-a055-8218e576d066 | In the case of transverse waves, the movement of the medium is perpendicular to the direction of the what? | [
"energy movement",
"fuel movement",
"friction movement",
"pressure movement"
] | energy movement | sciq |
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