id
string
question
string
choices
list
answer_key
string
source
string
30d2a72f-c9a7-4940-b717-ad84df8f3395
Tropical rainforests are an example of a climate that occurs near what?
[ "deserts", "equator", "poles", "tundras" ]
equator
sciq
9f6bfb07-11c2-4090-b7b6-110dbe8da7c5
What changes the chemical composition of a substance and can only occur through a chemical reaction?
[ "chemical changes", "carbon changes", "mineral changes", "Oxygen Changes" ]
chemical changes
sciq
8fb276c0-868e-4072-9b6d-493eeea2d675
What term is used to describe the way that animals interact with each other or their environment?
[ "animal behavior", "animal range", "animal decline", "animal magnetism" ]
animal behavior
sciq
2a8917f8-07bd-4c21-a325-2b0a71ce8f38
What kind of bees are most adult bees in a hive?
[ "worker bees", "queens", "larvae", "drones" ]
worker bees
sciq
88e41af3-1fbf-4bfa-96c2-3ba610123012
In most animals, the circulatory system is used to transport blood through the what?
[ "nerves", "stratum corneum", "body", "fur" ]
body
sciq
77824d6b-cf2c-499c-939c-6d5a0230e3b8
In sexually reproducing organisms, parents pass a copy of each type of what to their offspring by producing gametes?
[ "genome", "molecule", "phenotype", "chromosome" ]
chromosome
sciq
e3ac7984-6001-42e3-99c2-7dd9461ea29e
At transform plate boundaries, two plates move in which directions?
[ "parallel", "opposite", "same", "north and south" ]
opposite
sciq
469a9b70-a5b1-4e0c-8c5a-1b4f1c71638b
The voltages generated at a power plant are stepped up by what passive devices, which then reduce voltage to a safe level at the point of use?
[ "batteries", "capacitors", "transistors", "transformers" ]
transformers
sciq
12c02431-b29d-476e-9778-ee1dc8a45032
What is the term for the dark brown or black coating found on exposed desert rocks, which is formed of iron and manganese oxides?
[ "desert varnish", "desert rust", "desert shadow", "desert patina" ]
desert varnish
sciq
e7a28fd7-61a6-4714-901a-be88a7627693
What two ways may catalyst be classified?
[ "reactive or nonreactive", "oxygenated or heterogenous", "homogeneous or heterogeneous", "fast or slow" ]
homogeneous or heterogeneous
sciq
3d7e8549-8c9e-4b93-9960-6316edebcb95
What phylum has the highest number of species on earth?
[ "arthropods", "lichens", "cephalopods", "lophotrochozoa" ]
arthropods
sciq
3ed16fb1-b8fa-46be-8a6c-261902e6f641
The speed of a wave is a product of its wavelength and what else?
[ "density", "frequency", "voltage", "magnitude" ]
frequency
sciq
ad0d47cb-f58f-4e51-adc5-ae0187ea2327
What type of gas are stars made up of?
[ "freon", "water vapor", "hydrogen", "calcium" ]
hydrogen
sciq
d4ae0fea-22c4-48af-bfb8-8a58968a150e
What are one of the most abundant organic molecules in living systems and have the most diverse range of functions of all macromolecules?
[ "acids", "proteins", "cells", "carbons" ]
proteins
sciq
57b65eff-6a2a-457a-911d-36466b714857
A geiger counter is used for detecting what?
[ "pressure", "radiation", "convection", "mutation" ]
radiation
sciq
b9584bc3-8224-4606-aaf7-8f2d7ef6caf5
All species have evolved a pattern of living, called a life history strategy, in which they partition energy for growth, maintenance, and what?
[ "abundance", "deatn", "reproduction", "variation" ]
reproduction
sciq
cb599c05-04d1-431e-a16c-54575e91e03a
What are the most diverse plants on earth?
[ "gymnosperms", "conifers", "grasses", "angiosperms" ]
angiosperms
sciq
6e6ef624-5ad0-4ed5-9b75-eab19aeb0e63
What is the second line of defense?
[ "inflammatory response", "rejection of foreign bodies", "immune response", "fight or flight" ]
inflammatory response
sciq
27cd6402-2adb-4e0e-8f07-dc126f5c9fbc
What is the term for when organisms need other organisms to survive?
[ "realization", "coexistence", "interdependence", "intradependence" ]
interdependence
sciq
5fbf6dcf-0da4-44ae-87d3-622af55fe260
What is an organic compound that is made up of only carbon and hydrogen?
[ "a catalyst", "a component", "an acid", "a hydrocarbon" ]
a hydrocarbon
sciq
f77dd6b9-58b3-4b43-923a-518a8a5dee1e
Bile salts produced by the liver assist in breaking apart what kind of fats?
[ "carbohydrates", "dietary", "Sugar", "soluble" ]
dietary
sciq
6818a781-e3e1-4e05-a14f-a3e66c1c8334
Where does most of the sound we hear travel through?
[ "water", "the ground", "air", "light" ]
air
sciq
a8997c7e-3add-4c24-bbf9-66b37a4f74ed
A reptile's what doesn't generate enough energy to keep their body temperature stable?
[ "tissue", "skin", "metabolism", "respiration" ]
metabolism
sciq
fd58c14e-0478-4edb-b2f2-4507b73054cb
Bar, circle, and line are examples of what kind of data visualization?
[ "graphs", "maps", "spreadsheets", "formulas" ]
graphs
sciq
e34a9fdb-f50b-4bd4-b1ee-976148e003da
What is the first phase of mitosis?
[ "telophase", "prophase", "meiosis", "metaphase" ]
prophase
sciq
8002797a-8bc7-4030-b48a-fb3d3f9e24be
What term means an area where two closely related species continue to interact and reproduce?
[ "common zone", "hybrid zone", "homozone", "heterozone" ]
hybrid zone
sciq
e19f99ab-8dd9-4f3c-85d8-46de2c03f781
Fungi may have both asexual and sexual stages of what?
[ "photosynthesis", "absorption", "reproduction", "development" ]
reproduction
sciq
5b9aa97b-7b69-4390-bd73-82914bad0649
Geysers erupt because what boiling hot substance is trapped beneath their surface?
[ "water", "lava", "gas", "oil" ]
water
sciq
e275c99c-db9f-44cb-b139-7b574756eb1d
About one-third of the human cerebral cortex is dedicated to analyzing and perceiving information related to what sense?
[ "taste", "vision", "touch", "hearing" ]
vision
sciq
87f5e5a1-f7d0-4807-9ed6-d5aa8a7d18aa
Fungus-like protists are what kind of feeders?
[ "refractive", "absorptive", "reverse", "demonstrative" ]
absorptive
sciq
9a156324-317c-4e51-9451-e81792eee899
What is the process in which many new species evolve in a short period of time to fill available niches called?
[ "adaptation", "adaptive radiation", "spontaneous mutation", "learned behavior" ]
adaptive radiation
sciq
ac0962a3-1d0f-41b1-b97e-2ccf32a37932
After fertilization, how many cells does a zygote form into?
[ "two", "one", "six", "three" ]
two
sciq
2a76b59b-2dc1-41ab-9278-82d4838e5c32
Which common oxidizing agent can be used to oxidize alcohols?
[ "hydrogen chloride", "potassium chloride", "potassium dichromate", "hydrogen dichromate" ]
potassium dichromate
sciq
4e18ee78-13ff-4e75-be56-5f517cd2ae88
What are gemstones known as when light cannot pass through them?
[ "blocking", "protective", "opaque", "inorganic" ]
opaque
sciq
94cc809f-e6ff-40ba-9a11-23467866a645
In biology, a relationship that benefits both entities is known as what?
[ "naturalism", "mutualism", "predatory", "altruism" ]
mutualism
sciq
d2b83062-f8f3-4810-b6bc-3884b8f6b80e
Some animals prepare for the long winters by storing food and going dormant, a behavior called what?
[ "hibernation", "gestation", "pollination", "resting" ]
hibernation
sciq
ef0e21db-37bc-4540-bc32-cf2d75cfc523
Biochemical reactions are optimal at physiological temperatures because many what lose function at lower and higher temperatures?
[ "carbohydrates", "neurons", "hormones", "enzymes" ]
enzymes
sciq
71e68f12-72e5-4a48-82aa-08e938a5d359
What is the attachment of ducklings to their mother an example of?
[ "validating", "magnetism", "imprinting", "impressionism" ]
imprinting
sciq
cf52626a-e419-4ca4-a356-3217fb521d29
All chordates are deuterostomes possessing a what?
[ "notochord", "zygote", "hydrochord", "endoderm" ]
notochord
sciq
e9da645e-32a1-4ebf-b0d2-bbfa2fb4bd67
In vascular plants, the sporophyte generation is what?
[ "dominant", "evident", "fast", "submissive" ]
dominant
sciq
08a9511e-18bf-48fb-8239-c5c1731e9035
The combined gradient that affects an ion includes its concentration gradient and its what?
[ "cell membrane", "radiation gradient", "electron bond", "electrical gradient" ]
electrical gradient
sciq
80eb7468-9f8c-4562-b712-97f7e72ca8a0
What is the first cell of a new organism?
[ "nucleus", "zygote", "egg", "seed" ]
zygote
sciq
7f9f347f-d717-4ca1-b819-4a0114928044
What part of the cell in plants and algae does photosynthesis take place?
[ "mitochondria", "fibers", "cell wall", "organelles" ]
organelles
sciq
ebd55ff5-4b6a-49a2-8f64-c57f71f791a2
Exemplified by canada and alaska, what kind of climate has cool, short summers and long, cold winters, little precipitation, and abundant conifers?
[ "droughts climate", "temperate climate", "subarctic climate", "tropical climate" ]
subarctic climate
sciq
b5f5f392-6ac4-460c-b9f4-a163fce17206
What are the only organelles that prokaryotic cells have?
[ "chloroplasts", "ribosomes", "nuclei", "fibroblasts" ]
ribosomes
sciq
71ba5bdc-ce9f-4732-bbc1-a0c92a61d1fd
What is the name of the cloud where most long-period comets come from?
[ "oort cloud", "stellar cloud", "bulge cloud", "volt cloud" ]
oort cloud
sciq
50214673-a7a5-4147-8eab-2945495f1bb0
Different feeding "positions" in a food chain or web are associated with what kinds of levels?
[ "benthic", "trophic", "heptic", "autotrophic" ]
trophic
sciq
4ffc93fa-25d6-4ad0-9627-51ce75234b3b
Ionic compound atoms of various elements gain or lose electrons to?
[ "expel ions", "become ions", "flatten ions", "produce ions" ]
produce ions
sciq
1d55509c-da88-4f82-968a-1853f7842d61
Sedimentary rocks form in what kind of layers?
[ "magnetic", "horizontal", "stacked", "vertical" ]
horizontal
sciq
37b0a304-aec4-41c7-8275-b5057e61e929
Plants obtain the molecules for cellular function though what?
[ "nutrients", "photosynthesis", "tissues", "Plants" ]
photosynthesis
sciq
5439de05-0f15-4973-b134-0ed212bc5d36
The group of plants that can make their own food from inorganic raw materials in the presence of sunlight are referred to as what?
[ "autotrophic", "symbiotic", "heterotrophic", "autosynonomys" ]
autotrophic
sciq
e2b8db5e-c9d4-439d-93d6-756eea5fdd0d
What type of disorders are caused by mutations in genes or abnormal numbers of chromosomes?
[ "immune system disorders", "emotional disorders", "thyroid disorders", "genetic disorders" ]
genetic disorders
sciq
118c13b2-7d8f-4691-b3a4-12ea14dfa0d3
What is the measure of sound intensity levels?
[ "octaves", "decibels", "centimeters", "moles" ]
decibels
sciq
98911d17-0d95-4481-be55-c83027b9a7cb
What is the temperature at which a substance freezes known as?
[ "absolute zero", "freezing point", "drop point", "zero point" ]
freezing point
sciq
b50384ce-7bdc-4335-8118-7966d3ddaa62
Blood from what organs enters the left atrium of the heart?
[ "Brain", "lungs", "intestines", "Lymph nodes" ]
lungs
sciq
a1620eb3-ec5c-4413-8478-76cbb498f0aa
The farther an area is from the equator, what happens to the temperature?
[ "it stabilizes", "it increases", "it fluctuates", "it gets lower" ]
it gets lower
sciq
08684dad-f058-44b1-ad30-8bd5147560ed
What sort of issues can be determined by looking for certain particles in amniotic fluid?
[ "artificial disorders", "impossible disorders", "genetic disorders", "organic disorders" ]
genetic disorders
sciq
c22d96a6-3fd5-489f-ad1b-63a4091a4b30
The lunar landscape is covered by craters caused by what?
[ "asteroid impacts", "earth impacts", "water", "volcanoes" ]
asteroid impacts
sciq
dea665d7-1312-4854-8c95-f09abd24c0aa
What is the name for the line dividing the earth's hemispheres?
[ "latitude", "longitude", "equator", "plate" ]
equator
sciq
72189420-0176-4b4a-8463-0ee4f2eedfa0
Dependent on the frequency of sound waves, what term described how high or low a sound seems to a listener?
[ "direction", "wavelength", "curve", "pitch" ]
pitch
sciq
186d0dd0-e1a7-4d99-81ef-86edc481fc46
Solar cells convert the energy in sunlight to what type of energy?
[ "stellar energy", "electrical energy", "radical energy", "active energy" ]
electrical energy
sciq
e94d7d0b-60da-4a78-b225-d4585691f615
What occurs when a parent cell splits into two identical daughter cells of the same size?
[ "symbiotic fission", "twin fission", "binary fission", "linear fission" ]
binary fission
sciq
52900b5a-e221-4fdd-a23e-76a78e7ba538
A group of individuals that consists of genetically related individuals that can breed to produce fertile young is known as what?
[ "population", "community", "species", "colonies" ]
species
sciq
faa50e53-81df-4d9f-9d4a-ba190b59765d
What is the most dangerous type of radiation?
[ "beta rays", "plasma rays", "gamma rays", "sunlight rays" ]
gamma rays
sciq
e308df9b-f130-4720-8773-6d0cde922c38
What is the result when two monosaccharides are bound together?
[ "Peroxide", "hydrolysis", "polyketide", "disaccharide" ]
disaccharide
sciq
9e6c462d-5d3a-47b3-ba19-675e411191c0
What are the two major atmospheric gases?
[ "nitrogen and hydrogen", "hydrogen and oxygen", "carbon and helium", "nitrogen and oxygen" ]
nitrogen and oxygen
sciq
d412e1da-c869-494e-b1c0-1f189b55a365
What do you call the strands of dna wrapped around proteins, which are located inside the nucleus?
[ "fibrils", "ribosomes", "receptors", "chromosomes" ]
chromosomes
sciq
96e9e0d3-3f2c-4bb9-ad7a-47e5d0476b7f
Land could not be colonized by other organisms until what became established?
[ "gases", "carbon dioxide", "oxygen", "plants" ]
plants
sciq
d7d97269-ec40-44a3-9512-670fe803332b
What are bacteria that stain purple are called?
[ "complex bacteria", "gram-positive bacteria", "gram-neutral bacteria", "gram-negative bacteria" ]
gram-positive bacteria
sciq
d2ab2f0f-8dd0-42b8-b369-a13f4e338b6d
When the bud is fully developed, it breaks away from the parent cell and forms a new what?
[ "flower", "organism", "leaf", "stem" ]
organism
sciq
c0732d01-8c34-4286-a8ae-eb050f886d78
Arrows and cannon balls are examples of objects with what kind of motion?
[ "fluid", "velocity", "projectile", "accelerating" ]
projectile
sciq
72b81cbb-f8f3-465f-97ed-3697e09bf2cb
What is the sugar that the cells of living things use for energy?
[ "sucrose", "glucose", "chlorophyll", "insulin" ]
glucose
sciq
5c09ef86-ca91-4744-81ea-c767efed6ea1
What is the most important muscle involved in the process of breathing?
[ "mouth", "chest", "trachea", "diaphragm" ]
diaphragm
sciq
dcb82b3f-a9db-4327-8853-ca24f3f01461
What is the basic characteristic of monoprotic bases?
[ "accepts no neutrons", "accepts no protons", "accepts one neutron", "accepts one proton" ]
accepts one proton
sciq
a13cd02a-1409-4d68-87a7-053a0f3a598e
What do we call a device used to store electric charge?
[ "charger", "battery", "capacitor", "amplifier" ]
capacitor
sciq
b692b693-dff2-474a-ad36-8068639e9dad
Has this ever happened to you? you walk across a carpet, reach out to touch a metal doorknob, and get an unpleasant electric shock? .the reason you get a shock is because of what?
[ "electrical charge", "temperature charge", "solar charge", "sunlight charge" ]
electrical charge
sciq
9cecfbd1-0228-4d7f-a820-95abe03656b1
What planet is closest to our sun?
[ "Pluto", "Venus", "mercury", "Earth" ]
mercury
sciq
c52f9d5e-7be4-4597-96bb-1406cfe11168
The ordovician-silurian extinction event is the first recorded mass extinction and the second largest. during this period, about what percent of marine species went extinct?
[ "40 percent", "10 percent", "85 percent", "99 percent" ]
85 percent
sciq
ca693bd6-9268-4e71-9171-fd8404613525
A small molecule that binds to a larger molecule is known as a?
[ "lipid", "enzyme", "oxide", "ligand" ]
ligand
sciq
c426a0f0-bba2-4945-857a-14a3999d812b
What process that begins in utero during fetal development and continues on into adolescence involves closing of the skull?
[ "calcification", "elongation", "ossification", "incubation" ]
ossification
sciq
ddcfc584-4144-4da3-b922-b9d18f9b128b
What traits are those that are inherited unchanged in a hybridization?
[ "recessive traits", "dominant traits", "alleles", "mutations" ]
dominant traits
sciq
239a93da-f310-4631-83d3-36c3b172d272
What is required to break down and build up molecules and to transport molecules across plasma membranes?
[ "energy", "electricity", "salt", "calcium" ]
energy
sciq
c8b8eebf-586f-4fb3-9ad1-6d88ed2fe0b6
The three main rock types are igneous, metamorphic, and what?
[ "sedimentary", "crystalline", "silicate", "basalt" ]
sedimentary
sciq
1396df87-e19e-47d1-9617-dfef248024e7
What body part does encephalitis attack?
[ "liver", "brain", "lungs", "heart" ]
brain
sciq
4f4dde8e-e07b-4a11-ba00-ff629534c8b8
What type of reproduction takes place when an animal simply divides into two parts?
[ "budding", "fusion", "fission", "sexual reproduction" ]
fission
sciq
42afde6b-aaee-47c1-8484-830058d79e2f
Winds moving air masses causes what?
[ "tremors", "earthquake", "weather", "tsunami" ]
weather
sciq
0f1bea6f-43e5-41e5-b19e-f370516bef0c
How many orders of magnitudes bigger is the electric force?
[ "36", "33", "45", "39" ]
39
sciq
5850989a-be00-45be-91be-754f6e4240b7
What is the term for any way that an animal interacts with other animals or the environment?
[ "animal behavior", "animal way", "animal biology", "immunity" ]
animal behavior
sciq
bb21c791-43cf-4035-aae7-c1a98464c49e
A mushroom is only a specialised reproductive part of the whole fungus. the main part of the fungi is underground in a whole web of hyphae, called this?
[ "hypothalamus", "detritus", "bacterium", "mycelium" ]
mycelium
sciq
8588409a-1d90-47e8-88c4-44152077af54
Most oxygen in blood is bound to a protein called what, and carried to the tissues?
[ "plasma", "hydrogen", "hemoglobin", "platelete" ]
hemoglobin
sciq
718d24e6-6a35-47bb-aea4-3c4e5537eab0
What do we call the only light that people can see?
[ "spectral light", "natural light", "visible light", "wave light" ]
visible light
sciq
edcfe0a3-77cd-41a8-8b50-9f7e66ba1527
Carnivores are animals that eat other animals. the word carnivore is derived from latin and literally means this?
[ "amount eater", "meat eater", "leaf eater", "thick eater" ]
meat eater
sciq
e7d68076-cca7-4879-bcce-8a4ef77b701f
What term describes the sequential appearance and disappearance of species in a community over time after a severe disturbance?
[ "succession", "pattern", "generational replacement", "supression" ]
succession
sciq
0df43aa3-c775-434d-9e54-a6565c1a0ed7
What can water's high surface tension be attributed t?
[ "territorial molecules sticking together", "electric impulses in atoms", "polar molecules sticking together", "molecules create a thin film-like substance" ]
polar molecules sticking together
sciq
caf3435a-df1d-473b-920d-339264f0b4b2
What supports life, and is also needed for the water cycle and weather?
[ "atmosphere", "fossil fuels", "oxygen", "greenhouse gas" ]
atmosphere
sciq
79454944-f643-4392-a9ad-b92b362e3553
The zoospores develop into haploid, multicellular male and female gametophytes, which produce?
[ "microorganisms", "toxins", "gametes", "spores" ]
gametes
sciq
801dad52-8703-4faa-bdac-860689098efb
Reducing the number of molecules in a rigid container causes what to decrease?
[ "demand", "velocity", "energy", "pressure" ]
pressure
sciq
04f232a1-beee-44f5-ae27-5d33fe8b20a1
What causes a lot of geological activity on the earth?
[ "landslides", "weather", "plate tectonics", "natural selection" ]
plate tectonics
sciq
806ee003-7172-4a32-830c-3aeb2d8c46e0
The fuel that burns in a combustion reaction in many fossil fuels such as natural gas that consists of carbon hydrogen is known as what?
[ "catalyst", "helium", "fossil", "hydrocarbon" ]
hydrocarbon
sciq
f8ee900f-5413-4a32-b7c0-0209f05f3142
What describes a combination of two or more substances, each of which maintains its own chemical identity?
[ "bond", "solute", "structure", "mixture" ]
mixture
sciq