id
string
question
string
choices
list
answer_key
string
source
string
e2e0a176-bc79-4ecb-a87e-1ae09c6c8113
How does the sun generate energy?
[ "certain fusion", "matter multiplication", "atomic division", "nuclear fusion" ]
nuclear fusion
sciq
9479844c-d381-46b6-87a6-ab48c57bb3d0
What stored form of energy is made up of glycerol and three fatty acid chains?
[ "carbohydrates", "hydrocarbons", "particulates", "triglycerides" ]
triglycerides
sciq
7f1606a7-c62b-4167-83d2-57e094c3df57
What do jellyfish give off to startle possible predators?
[ "energy", "plankton", "electricity", "light" ]
light
sciq
e808d72a-e044-431a-92d5-d7c5f67027b0
What is an example of a metaloid element?
[ "argon", "silicon", "fluorine", "chlorine" ]
silicon
sciq
914f9857-9e64-43cb-bd84-3db1c90ab687
Scientists use a quantity called __________ as a measure of disorder, or randomness.
[ "chance level", "vector count", "entropy", "motion" ]
entropy
sciq
af4bac33-79ee-474b-9ae0-982d3fbf4230
Niche refers to the role a species plays in what?
[ "migration", "the ecosystem", "reproduction", "the habitat" ]
the ecosystem
sciq
cf3a6373-5271-45ac-8bcf-26c4abefaf80
An irreversible increase in size is known as?
[ "growth", "volume", "mass", "strength" ]
growth
sciq
eba142ab-0df4-4bf2-ac2d-45e792457bc1
Bacterial contamination of foods can lead to digestive problems, an illness known as what?
[ "food poisoning", "acid reflux", "ulcers", "headache" ]
food poisoning
sciq
e7705061-2cf5-4bcb-a84f-7c1691981767
All combustion reactions are what type of reactions?
[ "geothermal", "exothermic", "reversible", "flammable" ]
exothermic
sciq
1412542e-c5a2-4c70-a48a-c5b46890d514
What produces microspores that develop into pollen grains containing male gametophytes?
[ "petals", "leaves", "stems", "stamens" ]
stamens
sciq
13c69a5e-d92d-4100-ac03-23c1f1490778
When a star's core collapses inward while the outer layers spread and cool, what "colorful" celestial body forms?
[ "red giant", "blue giant", "white giant", "green giant" ]
red giant
sciq
58d3b4d8-edf8-452d-bdda-31dbb3c97ee3
Timber, obtained from trees that can be replanted to replace those that are cut down, is an example of what type of resource?
[ "fossil fuel", "mineral", "nonrenewable", "renewable" ]
renewable
sciq
dce7ef3f-56c5-42e4-8da1-7b748b94508a
What type of blood does the right side of the heart collect and then pump to the lungs?
[ "nitrogen-rich blood", "oxygen-poor blood", "oxygen-rich blood", "nitrogen-poor blood" ]
oxygen-poor blood
sciq
5dde8d77-46b5-48b6-a743-760d4be2e446
What elements have the highest attraction for electrons?
[ "nonmetals", "gases", "metals", "carbons" ]
nonmetals
sciq
778fd4c9-ba7c-43f9-8bd9-5dcb03faefe3
What is the layman's term for mammals raising their hair with tiny muscles in the skin, something that is automatic in humans sensing cold?
[ "spine tingling", "follicles", "goosebumps", "hypothermia" ]
goosebumps
sciq
98b63ae8-ead0-4487-9f14-700d8e7cbbf5
What are ring-shaped hydrocarbons called?
[ "curved hydrocarbons", "cyclic hydrocarbons", "reverse hydrocarbons", "cylindrical hydrocarbons" ]
cyclic hydrocarbons
sciq
f4a31a68-2a31-43eb-8f03-48be129a38bb
What increases in processes in which solid or liquid reactants form gaseous products and when solid reactants form liquid products?
[ "evaporation", "entropy", "glucose", "respiration" ]
entropy
sciq
2251970d-b82a-43eb-a175-bf6fd4ee0cb1
How many pairs of legs do arachnids have?
[ "4", "6", "8", "ten" ]
4
sciq
8b9ce53c-164e-4584-a3a4-e4b61cb579bb
Besides the uppermost mantle, what else is the lithosphere composed of?
[ "crust", "surface", "inner core", "outer core" ]
crust
sciq
4318ea07-00d6-4bbb-b930-99e22797eca2
What is another term for dry ice?
[ "solid carbon dioxide", "liquid nitrogen", "ice crystals", "carbonated ice" ]
solid carbon dioxide
sciq
808b1952-d6d5-4e89-878c-ac1b31307944
Name the process that produces many copies of a certain gene.
[ "gene addition", "gene diversion", "gene multiplication", "gene cloning" ]
gene cloning
sciq
5190a74b-726d-4ec3-a62a-664573cb39bf
Rupture or blockage of arteries in the head is the usual cause of what condition?
[ "heart disease", "migraine headache", "stroke", "heart attack" ]
stroke
sciq
b9020dd2-b778-4195-8b35-429ce0a5248c
What type of lines run next to each other?
[ "fault lines", "crater lines", "perpendicular lines", "contour lines" ]
contour lines
sciq
2161e504-b320-4fda-bf54-770cf97e5fad
What type of light sensing organs do scaophopoda have?
[ "cilia", "antennae", "radula", "setae" ]
radula
sciq
5aec00fe-e26d-4d4e-8362-c594b96f5f37
What kind of cleavage do mammalian eggs exhibit?
[ "holoblastic", "Meroblastic", "cocklebur", "spicule" ]
holoblastic
sciq
7300222f-243b-4b65-a4a9-c31b97042413
What is the name of the process for delivering water to crops?
[ "reclamation", "bilge", "irrigation", "drainage" ]
irrigation
sciq
d2214efa-e57d-42f6-8182-2b003f14e784
What is the process in which a liquid boils and changes to a gas?
[ "freezing", "sublimation", "melting", "vaporization" ]
vaporization
sciq
9fac94ad-a1fd-4744-9e15-e03ab1196639
What are the two most common common ways that brain and spinal cord injuries occur?
[ "falls and surgical error", "car crashes and athletic activities", "sports and household accidents", "car crashes and falls" ]
car crashes and athletic activities
sciq
230bd327-2c22-4ece-99b3-f79afde50ead
What is the largest planet in the solar system?
[ "mars", "jupiter", "saturn", "pluto" ]
jupiter
sciq
3d3730c1-531d-4e8b-82d4-4ab46e8f9f15
What are elements required in very small amounts?
[ "pollutants", "macronutrients", "micronutrients", "minerals" ]
micronutrients
sciq
e0bd5027-db5b-4155-9641-6bd7f50bc448
What can be calculated by multiplying an object’s mass in kilograms (kg) by its velocity in meters per second (m/s)?
[ "momentum", "energy", "ground speed", "height" ]
momentum
sciq
22a66259-457a-45a0-82dd-66dd511f2e1b
What will happen to a rock when it's under tremendous stress?
[ "it will solidify", "it will rebound", "it will fracture", "it will slow" ]
it will fracture
sciq
fdaa351d-c719-4368-b800-fd1095004e76
Very large stars eventually become what extremely dense space regions, which are so dense that no light can escape from them?
[ "worm holes", "black holes", "moons", "dark matter" ]
black holes
sciq
510fd106-d582-4057-bbe6-805ac0cc3cdb
Which theory suggests plant species richness increases with island size?
[ "island symbolic model", "island ecosystem model", "island equilibrium model", "island biology model" ]
island equilibrium model
sciq
59d39adc-5a59-4eea-9242-9ecd43f7de77
What state of hydrogen can be predicted based on the atoms to which it is bonded?
[ "evaporation", "oxidation", "condensation", "precipitation" ]
oxidation
sciq
ffb994c5-d1eb-42d3-b513-696305f651ff
What occurs when there is little to no rain in a period of time?
[ "hurricanes", "droughts", "pollution", "floods" ]
droughts
sciq
2c7a9f3d-7d14-46dc-83b1-84e7a04a29df
At any specific time, the rate at which a reaction is proceeding is known as its what?
[ "immediate rate", "spontaneous rate", "emitted rate", "instantaneous rate" ]
instantaneous rate
sciq
d077190f-06a5-4c86-bd9b-29bc5401b70a
The skin is a familiar organ made of what kind of tissue?
[ "innate tissue", "epithelial tissue", "recurrent tissue", "aberrant tissue" ]
epithelial tissue
sciq
13d5d4ef-4063-4ac6-8409-4892ff2645ab
Evolution that occurs over a short period of time is known as what?
[ "short term evolution", "microevolution", "relatedness", "pseudoevolution" ]
microevolution
sciq
e700ed37-9503-4a83-a9c1-1898e88360bb
What do osteoblasts secrete that mineralizes to become bone matrix?
[ "collagen", "spongin", "carbon", "calcium" ]
collagen
sciq
bfec695b-faba-4f09-b158-b5c56e2b3d10
Atoms that have gained electrons and become negatively charged are called what?
[ "cations", "anions", "negative ions", "negative atoms" ]
negative ions
sciq
71bd0d4b-2521-4eb1-9c49-798e48f8c87c
Snakes are which type of animal?
[ "carnivorous", "herbivorous", "vegivors", "omnivores" ]
carnivorous
sciq
69545b5f-0e90-42b1-b9af-e06f7d57a0fc
Cancer occurs most often in adults over what age?
[ "twenty", "seventy", "fifty", "thirty" ]
fifty
sciq
cf45fb75-4c6a-45ab-b1e4-ec73deb2ff59
Mammals are either herbivores, carnivores or what?
[ "nematodes", "decomposers", "vegetarians", "omnivores" ]
omnivores
sciq
50e1595e-7e09-4d05-989d-4da7820fd95c
What paired human organs play a vital role in maintaining homeostasis?
[ "eyes", "kidneys", "ears", "lungs" ]
kidneys
sciq
35771157-4165-4364-a351-e4514fc4cc43
What is the process in which glucose is made using energy in light called?
[ "photosynthesis", "glucosynthesis", "gluconeogenesis", "photogenesis" ]
photosynthesis
sciq
8d94da45-b213-4ed9-b137-f878d435a099
What zone is outside the radiative zone?
[ "peripheral zone", "activation zone", "diffusion zone", "convection zone" ]
convection zone
sciq
38d1d1aa-f197-4ae5-8bf7-2b055f067af8
What do you call the temperature at which a liquid boils and starts changing to a gas?
[ "melting point", "boiling point", "transformation point", "vapor point" ]
boiling point
sciq
3ac2eb45-54dc-4e18-9c5d-2d0d3fd49b4a
The distinctive appearance of what tissue is due to polysaccharides called chondroitin sulfates?
[ "membrane", "bone", "collagen", "cartilage" ]
cartilage
sciq
057f83ae-1a84-4e6b-8eab-9bdc2fd4ef20
In the humid subtropical climate, summers are ____ but winters are very cold.
[ "long", "wet", "dry", "windy" ]
wet
sciq
a1f5770c-475c-4750-8037-81cd54aeb327
What are found primarily in lines around the edges of some continents?
[ "volcanoes", "glaciers", "earthquakes", "Reefs" ]
earthquakes
sciq
bb6b0dbe-85a1-4e41-9dd9-b0e1b9db6a4d
What is another name for trisomy 21?
[ "cystic fibrosis", "Tay-Sachs Disease", "Fragile X", "down syndrome" ]
down syndrome
sciq
cda0b245-b733-4044-b495-3d35d48a59d9
Light with the longest wavelengths is called what?
[ "X-rays", "visible light", "infrared light", "UV light" ]
infrared light
sciq
351a2480-81f2-4edb-a9f2-68cb208aacb8
Which gas do people exhale during each breath?
[ "carbon dioxide", "carbon monoxide", "oxygen", "nitrogen" ]
carbon dioxide
sciq
e42d84fc-10a9-43c4-b91c-ece489a0dd81
Nonvascular plants such as liverworts, hornworts, and mosses lack what three typical plant features?
[ "roots, stems, leaves", "chloroplasts, stems, flowers", "roots, leaves, chloroplasts", "flowers, leaves, bark" ]
roots, stems, leaves
sciq
49a1e3d9-5981-418a-9d5c-55044e9bcff5
Much of the iron produced is refined and converted into what?
[ "wood", "sugar", "steel", "plastic" ]
steel
sciq
d0a39f01-4c02-4679-aa60-e6dfdb7f87e1
What can be formed by converging light rays behind a lens, onto a piece of film?
[ "a mirror", "a kaleidoscope", "a photograph", "a prism" ]
a photograph
sciq
1fb12993-bf7d-4ab2-b744-b13aac0acad1
What is the star-like structure inside the paramecia?
[ "the contractile vacuole", "the reflex vacuole", "the baré vacuole", "the elongated vacuole" ]
the contractile vacuole
sciq
e46f2907-b33b-4223-9cef-6b686ba3d2d9
What is the study of the chemical elements necessary for plant growth called?
[ "plant propagation", "photosynthesis", "plant nutrition", "phototropism" ]
plant nutrition
sciq
214d7c90-78c0-4c2e-9ae4-61c48dafd7b1
Both alpha and beta decay change the number of what in an atom's nucleus?
[ "electrons", "protons", "Gamma decay", "neutrons" ]
protons
sciq
0b74be92-6d9e-4b6b-804c-0527e7613a98
What types of living things are divided into nonvascular and vascular groupings?
[ "mammals", "organs", "animals", "plants" ]
plants
sciq
e67e5782-f260-4fde-9c9f-d22f18b7657d
What can exposure to chemical or biological agents cause later in life?
[ "adaptation", "an acquired immunodeficiency", "spontaneous mutation", "regression" ]
an acquired immunodeficiency
sciq
45936df3-1f01-45f9-a34a-a271a833bf29
What direction are sediments deposited?
[ "vertically", "horizontally", "magnetic poles", "diagonally" ]
horizontally
sciq
56e87e19-8b3d-4456-b6a8-655bb5a617d2
When the air temperature reaches the dew point, water vapor starts to do what?
[ "evaporate", "dissipate", "germinate", "condense" ]
condense
sciq
28205ec4-48bb-4787-8cbe-6e53bd102d9b
What do you call the metal elements listed below the periodic table?
[ "rare metals", "transition metals", "shift metals", "process metals" ]
transition metals
sciq
2b7669ee-0b29-470a-9bf0-ab2298c806cd
Each silicon atom shares how many valence electrons with other silicon atoms in a crystal?
[ "ten", "five", "four", "three" ]
four
sciq
21c5ac48-e73e-4326-ab87-79009f41fb47
What is produced by the reaction of metal oxide with water?
[ "heat energy", "rust", "hydrogen gas", "soluble metal hydroxides" ]
soluble metal hydroxides
sciq
6ef55bbc-b146-415e-a4c3-1f1a3a3680b9
Which type of weathering causes changes int he rocks materials, chemical or mechanical?
[ "nuclear", "mineral", "liquid", "chemical" ]
chemical
sciq
b998733d-1e83-44ff-bc69-19f51b6bae4a
What type of rocks form from sediments that are cemented and compacted?
[ "sedimentary", "limestone", "crystalline", "granite" ]
sedimentary
sciq
349ff835-abc6-4d40-83e7-36d0c8624cce
What is the common term for solid carbon dioxide, which is used as a coolant?
[ "liquid nitrogen", "blue ice", "antifreeze", "dry ice" ]
dry ice
sciq
9143f8e5-047d-4fef-adb5-6ad942037fe4
What is the most common type of joint in the human body?
[ "transverse joints", "movable joints", "dorsal joints", "proximal joints" ]
movable joints
sciq
01ea6078-fc95-4f52-b414-fa9716d03900
What kind of relationship exists between living things that depend on the same resources?
[ "symbiotic", "parasitic", "antagonistic", "competition" ]
competition
sciq
d91d497e-308c-49e3-98f1-3c08001781f4
Latitude plays an important role in determining what in a region?
[ "migration", "climate", "landscape", "drought" ]
climate
sciq
f58db718-2682-4bfd-8658-4a9868278912
A very small artery that leads to a capillary is known as what?
[ "arteriole", "arterium", "vein", "capillary junction" ]
arteriole
sciq
66b5f562-86a0-4392-b007-464df95c1da1
What kind of systems use fluid to transmit pressure and increase force?
[ "hydraulic systems", "electromagnetic systems", "plumbing systems", "thermal systems" ]
hydraulic systems
sciq
a54a93ca-721c-4c90-a12d-179355b11bc8
What organ interprets what our sensory organs sense?
[ "nerves", "brain", "thyroid", "lungs" ]
brain
sciq
e013b54b-c4f2-412f-8b44-716e1db34fbf
Gametes are products through meiosis in which organs?
[ "kidneys", "hormones", "cones", "gonads" ]
gonads
sciq
a009ba6e-3e4b-42e5-a178-a41b2ecb558e
Haumea, which is the third brightest kuiper belt object has an odd oval shape which is probably caused by what?
[ "particularly rapid rotation", "unusually rapid rotation", "extremely rapid rotation", "Slow rotation" ]
extremely rapid rotation
sciq
7591ca07-66f3-4897-806f-e119d69aa1fb
A changing magnetic field produces an electric current in what?
[ "matter", "a conductor", "organ", "substance" ]
a conductor
sciq
369e4252-ca56-4db1-974e-b9b57d2c3356
What do plants do to prevent water loss at night?
[ "close their leaves", "shed their petals", "close their stems", "open their petals" ]
close their leaves
sciq
69488f79-b125-46e3-855c-a4af9330fa42
What term describes a colloidal dispersion of a liquid in either a liquid or a solid?
[ "emulsion", "mix", "compound", "suspension" ]
emulsion
sciq
9c9667b0-022d-411b-9389-10efe4eb09bf
What evidence is there that mt. everest was once at the bottom of a sea?
[ "corals", "fossils", "skulls", "glaciers" ]
fossils
sciq
d4a3587b-b3ae-4b3e-aab9-f242cc515408
Because atoms have equal numbers of positive protons and negative electrons, what kind of electric charge do they possess?
[ "positive", "negative", "none", "neutral" ]
neutral
sciq
149fd1b4-ec7f-4f46-9886-3c3a2871f456
What is the term for interactions between individuals of different species over an extended period of time which impact the abundance and distribution of the associating populations?
[ "food chain", "parasitic relationships", "cooperative evolution", "symbiotic relationships" ]
symbiotic relationships
sciq
2664a4c6-8ba3-4374-8cb1-f5a3519d488e
Plane mirrors work because the light rays create what behind the mirror?
[ "a virtual example", "a mirror image", "a virtual image", "a entire image" ]
a virtual image
sciq
031f000c-4438-4089-97fa-aacdc7e43dc3
What do we call natural resources that are remade by natural processes as quickly as people use them?
[ "geothermal", "exotic", "nonrenewable", "renewable" ]
renewable
sciq
e069aaf4-4f9e-46b2-87db-b8f9aaaaf4b8
What is the process of breaking down food into components the body can absorb called?
[ "excretion", "digestion", "filtration", "absorption" ]
digestion
sciq
7ce64805-6f15-4357-9d1d-b0022b965057
What controls what moves inside and outside the cell?
[ "nucleus", "mitochondria", "golgi apparatus", "the plasma membrane" ]
the plasma membrane
sciq
a59e861f-975a-4923-8396-d78cfd97773b
Yeasts are single-celled fungi. about 1,000 species are recognized, but the most common species is saccharomyces cerevisiae, which is used in this?
[ "potatoes making", "cookie making", "bread making", "cake making" ]
bread making
sciq
df76e01e-a4e7-4c26-afc4-ba1cdf5531db
Another measure of the effectiveness of a machine is its what?
[ "cost benefit", "chemical advantage", "aesthetic effect", "mechanical advantage" ]
mechanical advantage
sciq
46888a8b-ce1a-4117-8149-69fb90b10f54
What are biofilms resistant to many common forms of?
[ "vaccination", "sterilization", "assimilation", "termination" ]
sterilization
sciq
1b5ec86d-f96d-4a9d-bea6-1e914c7a1eef
Fractures and faults are terms you hear when talking about?
[ "volcanoes", "storms", "earthquakes", "magnets" ]
earthquakes
sciq
494079a6-e99e-4227-933b-5a9a821d3adb
What are resources that can not be remade, or would take too long to remake to keep up wiht human use called?
[ "green resources", "nonrewable resources", "renewable resources", "photoreactive resources" ]
nonrewable resources
sciq
45a648c4-e298-4b05-8c1e-49d4ddbeeb1e
Alkenes with the same atoms but different shapes are called what?
[ "isomers", "isotopes", "monomers", "alcohols" ]
isomers
sciq
8be1463c-a315-4739-98a5-ef56e88fc62b
Which of the animals digest cellulose with the aid of methanogens?
[ "apes", "cows", "pigs", "goats" ]
cows
sciq
b2a5df78-abd0-4099-82fa-f4040b590820
What is the major source of warmth for earth?
[ "the Moon", "seasons", "the sun", "equator" ]
the sun
sciq
7d7d7359-a893-4a22-a22d-ac7f0a84d822
Like a runner passing a baton, the transmission of nerve impulses between neurons depends on what?
[ "axons", "receptors", "neurotransmitters", "enzymes" ]
neurotransmitters
sciq
50fec333-de24-4525-8cfd-391bd9a11591
Which organ is the control center of the nervous system?
[ "the lungs", "the heart", "the brain", "the spine" ]
the brain
sciq
8978145e-29ad-4cf0-bd4b-b836ac029386
Continental climates are generally found in what areas of landmasses?
[ "northerly", "inland", "wetlands", "buttes" ]
inland
sciq
857b1b20-085c-49c7-a17c-2fc4add527ea
What mainly gives the body energy?
[ "water", "fuel", "sunlight", "food" ]
food
sciq