id
string
question
string
choices
list
answer_key
string
source
string
a49ad46c-6f92-496a-9fb1-a321283c0c6f
The location of an object in a frame of reference is called what?
[ "position", "marker", "fact", "change" ]
position
sciq
4477d393-e296-4316-a22c-38eab4a0b33f
What kind of change causes evolution in population?
[ "paragenic frequency changes", "transgenic frequency changes", "morphogenesis frequency changes", "allele frequency changes" ]
allele frequency changes
sciq
37e0f952-945e-4e1c-8381-e420484995e4
What type of lipids contain the element phosphorus, carbon, hydrogen and oxygen?
[ "phospholipids", "eukaryotes", "alleles", "filaments" ]
phospholipids
sciq
d5b6572a-de0a-4c25-9199-01af1aeaed1b
Photosynthesis requires light, water and what else?
[ "carbon dioxide", "seasons", "soil", "nitrogen" ]
carbon dioxide
sciq
ceb2f1f4-e615-434d-8243-0b5c1455068c
Tropical rainforest, temperate grassland, and tundra are examples of what type of biomes?
[ "atmospheric", "oceanic", "horizontal", "terrestrial" ]
terrestrial
sciq
ab640d2d-f3fa-4521-8669-5357beac014e
What is described by the concentration of hydrogen ions in a solution?
[ "ph", "neutrality", "oxidation", "hydrogeny" ]
ph
sciq
826615ee-34ce-4596-a222-7510825dc17c
Which theory states that all organisms are composed of one or more cells, the cell is the basic unit of life, and new cells arise from existing cells?
[ "unified cell theory", "theory of evolution", "microcellular theory", "natural selection" ]
unified cell theory
sciq
341bedb2-38b9-415b-a8dd-cfc177a40745
Light retains its original color under water because what remains the same when light is refracted?
[ "density", "frequency", "wave length", "sound" ]
frequency
sciq
7351dbb8-7e07-4f96-aa6c-12a92b433761
What are interferons?
[ "T cells", "oncogenes", "cytokines", "pathogens" ]
cytokines
sciq
1f6aab22-5f74-44bc-89ba-234a3a04d846
What is the air that remains after a forced exhalation called?
[ "kinetic volume", "residual volume", "remaining volume", "abundant volume" ]
residual volume
sciq
4675d62a-07e4-4896-b6e4-671f295463c6
What is the term for a gas that completely abides by the kinetic-molecular theory?
[ "ideal gas", "heat gas", "cold gas", "fast gas" ]
ideal gas
sciq
59a5e5a1-59fc-4687-a526-76275c9759f3
What is required to partially overcome the attractive forces between molecules in a solid to form a liquid?
[ "fuel", "energy", "hydrogen", "oxygen" ]
energy
sciq
a8337815-ef97-4ac1-8d01-73fcaca92256
Cephalochordates have a notochord and nerve cord but not a?
[ "nervous system", "digestive system", "brain", "backbone" ]
backbone
sciq
9b0339d1-2602-4547-8384-f3edd6315fc8
Name the physicist who discovered radioactivity?
[ "neal degrasse tyson", "antoine henri becquerel", "louis pasteur", "albert einstein" ]
antoine henri becquerel
sciq
7212fde8-f011-4e17-b608-70962871b12d
Researchers have identified the receptor proteins for all of the tastes except which?
[ "salty", "bitter", "sweet", "acid" ]
salty
sciq
5b2f62da-6b4b-4d79-bbe2-0f606711df55
What has high surface tension because of extensive hydrogen bonding?
[ "water", "gases", "hydrocarbons", "air" ]
water
sciq
d24346aa-3972-4eee-97da-9b98ec2b0535
Where are sponges most likely anchored to?
[ "reef or rock", "beaches", "sand", "sea floor" ]
reef or rock
sciq
4d337820-96a1-426c-aaf7-cb1677699b1c
What do jellyfish use to startle predators?
[ "black light", "visible light", "harsh light", "bicellular light" ]
visible light
sciq
21a3d531-ca96-4e84-8f22-0f8bfbde49c4
What do corals secrete that builds up to become a coral reef?
[ "scales", "membrane", "mucous", "exoskeleton" ]
exoskeleton
sciq
4b511f04-44f1-4747-9b9e-96a489ce733e
What layer covers the bones that make them look tough, shiny, and white?
[ "periosteum", "epithelium", "cuticle", "epidermis" ]
periosteum
sciq
3858ff58-19b9-4c37-a187-28eb2b901eb1
John dalton thought that what unit, which means "indivisible", could not be divided into smaller, simpler particles?
[ "nucleus", "electron", "neutron", "atom" ]
atom
sciq
edf4413c-4c7f-4e37-bd49-1a3f6ed85d7a
What gems are created by mollusks, such as oysters?
[ "turquoise", "pearls", "diamonds", "crystals" ]
pearls
sciq
604c0832-5f60-4a72-a220-1a6b42e2a2fc
Extrusive igneous rocks are also called what?
[ "metamorphic", "magma minerals", "agates", "volcanic rocks" ]
volcanic rocks
sciq
ee051dcc-4704-47de-95b6-7ae22b2fcb22
What happened to chemical reactions when temperature increases?
[ "it became faster", "it becomes slower", "it stays the same", "it slows down for a short time then speeds up" ]
it became faster
sciq
8bd5f65f-df08-46cb-872c-a9bfa0b7a091
Where do living things obtain the energy to carry out all life processes?
[ "waste", "fuel", "food", "oxygen" ]
food
sciq
44912c17-c8ec-49d6-a7a7-3c7711dda2e4
What is another term for all eukaryotic organisms that are neither animals, nor plants, nor fungi?
[ "paramecium", "arthropods", "protists", "prokaryotes" ]
protists
sciq
8b4173f0-697e-4faa-ac6d-849741c6d0e6
Tissues of marine bony fishes gain what from their surroundings?
[ "excess salts", "absorb salts", "toxins", "mercury" ]
excess salts
sciq
b710ccb3-359b-4d9b-bfe0-dc0a21873dc7
When magma reaches the surface through cracks in the earth's crust, what occurs?
[ "volcanic explosion", "tsunami", "magma eruption", "volcanic eruption" ]
volcanic eruption
sciq
eecef54a-3f36-411d-9b5d-91fa2ad38e59
The peripheral nervous system consists of all the nerves that are found outside what?
[ "somatic nervous system", "autonomic nerous system", "large nervous system", "central nervous system" ]
central nervous system
sciq
b018901c-6738-4389-951e-5db72c031eea
Where is gabbro found?
[ "volcanoes", "forest floor", "oceanic crust", "wetlands" ]
oceanic crust
sciq
e746f4b1-f303-4399-8353-45a8c6dd85f3
Mypyramid features colored bands that represent what?
[ "popular diets", "food groups", "caloric content", "essential vitamins" ]
food groups
sciq
76bad12f-4e3c-4b47-9ebe-dab9debb929c
Which type of diseases do antibiotics treat?
[ "nervous diseases", "viral diseases", "genetic disorders", "bacterial diseases" ]
bacterial diseases
sciq
3dab5e49-be44-4c4e-88ad-e6985b07bdfc
What is the loss of energy available to do work called?
[ "force", "entropy", "power", "negentropy" ]
entropy
sciq
70f69f07-a9b9-46b8-ae04-b378d301e746
What do you call the gently sloped ocean floor nearest the edges of continents?
[ "continental stratosphere", "continental divide", "continental solution", "continental shelf" ]
continental shelf
sciq
a26afcfa-6a8a-486d-a9f0-2a3091db8581
What uses oxygen gas to break apart the carbon-hydrogen bonds in glucose and release their energy?
[ "energetic respiration", "classical respiration", "cellular respiration", "electromagnetic respiration" ]
cellular respiration
sciq
9bb1bcab-da72-4e9b-b7c0-918a456648aa
Which human body system system moves nutrients and other substances throughout the body?
[ "cardiovascular system", "Integumentary system", "Digestive system", "Muscular system" ]
cardiovascular system
sciq
d0307d68-8d7d-442b-bd00-31eb8fbe26df
An elastic collision is one that conserves internal energy of what type?
[ "seismic", "potential", "kinetic", "thermal" ]
kinetic
sciq
8bde59db-3780-441b-9a24-2cbd52e4d51d
What term refers to an animal that sleeps during the day and is active at night?
[ "solitary", "crepuscular", "diurnal", "nocturnal" ]
nocturnal
sciq
1d78343b-332d-4281-a70c-c707c3d55927
What do you call a period when temperatures are cooler than normal, causing glaciers to spread?
[ "thermal age", "earth age", "polar age", "ice age" ]
ice age
sciq
c9767f71-7491-4583-bfe2-63a1ae028e86
Every object is attracted to every other object by what force?
[ "gravity", "magnetism", "weight", "pheromones" ]
gravity
sciq
c36b2930-930e-4a87-875a-03b549849364
What begins when an oogonium with the diploid number of chromosomes undergoes mitosis?
[ "morphogenesis", "oogenesis", "gametogenesis", "germination" ]
oogenesis
sciq
91ea5611-9ae6-4a3c-be09-80a5b238390d
What is the most abundant element in the universe?
[ "helium", "hydrogen", "carbon", "nitrogen" ]
hydrogen
sciq
64d0aac6-f417-4c12-a4a1-cd40d3842c96
If the electromagnetic repulsion between protons is greater than the strong nuclear force of attraction between them, what do they become?
[ "unstable, or radioactive", "unstable , or experimental", "destroyed", "slow , or radioactive" ]
unstable, or radioactive
sciq
0718dc3c-8c69-4851-9078-f26dba4fbe61
What disease, caused by vitamin c deficiency, causes bleeding gums, nosebleeds, and other symptoms?
[ "leukemia", "dehydration", "rickets", "scurvy" ]
scurvy
sciq
e44b70a0-ce36-4f3a-9d6c-70a582e79aeb
What type of waves are the slowest of all seismic waves?
[ "surface waves", "thick waves", "central waves", "core waves" ]
surface waves
sciq
aa067b39-1aee-4cbf-ae72-94542af7d2a2
What are the two types of optical telescopes?
[ "refracting and compound", "reflecting and layering", "reflecting and refracting", "reflecting and recapitulating" ]
reflecting and refracting
sciq
afb59b2f-45ed-47f4-99cc-4037230574fc
What can be hard or even impossible to perform in a scientific sense?
[ "hypothesises", "theorys", "idea", "experiments" ]
experiments
sciq
8f4ef5bc-dca0-428f-9210-1f3d1d481dca
In contrast to mammals and birds, freshwater fishes produce large volumes of very dilute what?
[ "blood", "feces", "urine", "nitrogen" ]
urine
sciq
2d607e90-5ce4-45c2-84c8-52aef975c377
What is the matter through which sound waves travel?
[ "mass", "medium", "dust", "air" ]
medium
sciq
70bb8653-c513-4585-80f4-8e7764f6ccc0
Polygenic traits result in a distribution that resembles a curve. what is the shape of the curve?
[ "J-shaped", "W-shaped", "egg-shaped", "bell-shaped" ]
bell-shaped
sciq
5147f761-dc87-4e8a-978f-4d6e54d8a279
Since eddy currents and magnetic damping occur only in conductors, recycling centers can use these to separate metals from other materials?
[ "magnets", "alloys", "cranes", "particles" ]
magnets
sciq
c804791c-db02-4934-81c1-5a7ad014817a
Most plates are made up of a combination of what?
[ "continental and reflective lithosphere", "continental and oceanic lithosphere", "continental and battered lithosphere", "oceanic and reflective lithosphere" ]
continental and oceanic lithosphere
sciq
926d8446-b762-479b-9c9e-dc3b049263bc
Chromosomes further condensed in which stage?
[ "zygum stage", "tracheophyte stage", "zooflagellate stage", "diakinesis stage" ]
diakinesis stage
sciq
b8e150ba-4565-4156-b8b3-9fdfb6ad0b2d
What weak base is applied as an agricultural fertilizer in its pure form and is diluted to make a household cleanser?
[ "vinegar", "carbon monoxide", "ammonia", "nitrogen" ]
ammonia
sciq
68bfcca0-efac-4441-a27f-c38ab79f1d22
During the winter, production of what amine involved in the sleep-wake cycle may be affected by less sunlight hours?
[ "folate", "serotonin", "dopamine", "melatonin" ]
melatonin
sciq
111c3241-c5db-4a61-860d-746d2bb43be9
What is the term for the small particles that rocks are worn down to by water and wind?
[ "pebbles", "fragments", "sediments", "organisms" ]
sediments
sciq
344a5cbf-bda9-4f79-9156-fefa9ab093ec
Physical properties are characteristics that describe what as it exists?
[ "matter", "imagination", "antimatter", "life" ]
matter
sciq
5f12dd8f-73fd-4a45-b35b-cbbd3522a937
What allows for a large and mature fetus before birth, resulting from a long period of fetal growth in the uterus?
[ "the vagina", "the ovaries", "the placenta", "the cervix" ]
the placenta
sciq
33002cf3-0ee4-4a49-a99e-bfc6cf788c21
What type of bonds form only between metals and nonmetals?
[ "harmonic bonds", "non-harmonic bonds", "ionic bonds", "magnetic bonds" ]
ionic bonds
sciq
5cdeff14-679c-4cce-85cf-749eb4f00dac
A system is said to be in stable equilibrium if, when displaced from equilibrium, it experiences a net force or torque in a direction opposite to the direction of the what?
[ "velocity", "displacement", "variation", "dispersement" ]
displacement
sciq
07084f60-6f47-4689-8cba-e826c5fc3d5a
What cycle completes the breakdown of glucose begun in glycolysis?
[ "krebs", "vireos", "bacterium", "priebus" ]
krebs
sciq
bb35dd24-f6be-42ca-9153-38c5dcc7a9a1
What do we call the full range of electromagnetic waves?
[ "electromagnetic scale", "mechanical spectrum", "electromagnetic spectrum", "molecular spectrum" ]
electromagnetic spectrum
sciq
560800ee-0aaa-41bd-b58b-b92032c1714b
What kind of light ranges from red to violet?
[ "visible light", "ultraviolet light", "infrared light", "x rays" ]
visible light
sciq
3bf406b9-f61e-45c2-b29a-b0646422671f
All matter in the universe is composed of one or more unique pure substances called what?
[ "compounds", "atoms", "molecules", "elements" ]
elements
sciq
045d3f4e-37e0-4f09-b4d0-1f01e40dd883
What are the smallest type of blood vessels?
[ "neurons", "viens", "arteries", "capillaries" ]
capillaries
sciq
770407b4-9a8b-4caa-84fe-06f3ffc54ed8
Athletes such as swimmers and bicyclists wear body suits in competition to minimize what forces?
[ "drag forces", "activity forces", "natural forces", "rolling forces" ]
drag forces
sciq
54a531ed-f33e-4ac5-86bc-0127bd11c8a8
During strenuous exercise our muscles perform what kind of fermentation?
[ "nitric acid", "residual acid", "excessive acid", "lactic acid" ]
lactic acid
sciq
d41c7419-830d-4fd3-9ee5-743b29f0c627
What force causes waves to topple over and break on the shore?
[ "vibration", "friction", "momentum", "tension" ]
friction
sciq
c072bc5d-46c1-4416-a9b0-236fc0797201
What type of simple machine is a seesaw an example of?
[ "power", "steam", "single", "lever" ]
lever
sciq
3926753e-1d80-485d-bbf8-4462eb9b10cd
What part of a sample can be represented by the mean, median, and mode?
[ "present tendency", "central tendency", "large tendency", "outer tendency" ]
central tendency
sciq
c7b6fcfb-a67a-46cb-a9e2-011481e2182f
Arteries have thinner wall layers and valves and move blood by the action of skeletal what?
[ "muscle", "hormones", "collagen bands", "marrow" ]
muscle
sciq
8e7039d6-ff12-4102-ba83-6802b86fc62a
The fetal stage begins about how long after fertilization?
[ "four months", "one month", "three months", "two months" ]
two months
sciq
f639b50f-1640-4f1a-9a66-f3ff6fa6c1a4
Which is the best way to maintain a strong, fit body?
[ "regular exercising", "bodybuilding", "being a vegetarian", "a healthy diet" ]
a healthy diet
sciq
041315e9-9e22-4eef-beef-6bc2c4711dde
Which system refers to the skin and its accessory structures?
[ "integumentary system", "digestive system", "malpighian system", "tomoxia system" ]
integumentary system
sciq
31b761d3-bbbf-446c-a705-938a623a52b5
Normally, only traces of protein are found in urine, and when higher amounts are found, damage to what is the likely cause?
[ "Hypothyroid", "aeration", "occidentalis", "glomeruli" ]
glomeruli
sciq
3d168db2-3883-4e75-a80c-7b223223aa76
What is the nickname of the best-known geyser in the world, which erupts reliably every 90 minutes?
[ "old faithful", "old energetic", "victoria falls", "old consistent" ]
old faithful
sciq
336e13cd-cfad-4231-a317-d2dbcf084e17
The two general types of reproduction are sexual and what?
[ "bisexual", "primitive", "asexual", "unisexual" ]
asexual
sciq
c891bd80-d820-4618-bf03-dbab987d730a
Acid rain is corrosive rain caused by rainwater falling to the ground through which gas?
[ "carbon dioxide", "sulfide dioxide", "essential dioxide", "sulfur dioxide" ]
sulfur dioxide
sciq
99a21d93-b60b-4951-9676-1ae86882ecd8
What is the net force when two forces act in the same direction?
[ "arguing forces", "sum of the forces", "group of forces", "number of the forces" ]
sum of the forces
sciq
b3da162f-4367-4e89-a43c-0a7ef57cd535
What hypothesis states that the biosphere is its own living organism
[ "Big Bang theory", "the seager hypothesis", "the gaia hypothesis", "small world theory" ]
the gaia hypothesis
sciq
ea9f8397-d6c3-4a60-ac5d-cacd578429fc
The planet neptune has strange dark spots that sometimes appear on its surface? what are these spots?
[ "storms", "black holes", "earthquakes", "seas" ]
storms
sciq
b9f6d8ca-5c80-4f00-ab02-7f1d911ffcb8
The thalamus acts as a gateway to and from what?
[ "cortex", "medulla oblongata", "pons", "spine" ]
cortex
sciq
bacd62b9-1311-4b84-b9cd-9375ad644434
When describing motion, what factor is just as important as distance?
[ "velocity", "momentum", "direction", "pressure" ]
direction
sciq
374334ea-c8fe-4b96-8543-0b38797c349b
What often relies on cooperation between the motor and autonomic nervous systems?
[ "ketosis", "thermoregulation", "homeostasis", "hypothalamus" ]
homeostasis
sciq
651496e7-f359-404a-9e6f-faa140e3cd7b
What nerves are connected to the spinal cord?
[ "primary nerves", "superior nerves", "posterior nerves", "spinal nerves" ]
spinal nerves
sciq
7dcbf1c4-87e5-436c-972d-5bb58e1b262e
What source of water pollution picks up chemicals from the ground with water and carries them to bodies of water?
[ "fertilizer", "sediment", "runoff", "erosion" ]
runoff
sciq
b9459196-7d20-459e-ae56-28762e457205
Where do all cells come from?
[ "large cells", "busy cells", "pre-existing cells", "dying cells" ]
pre-existing cells
sciq
9dcfa672-d090-49af-b9e5-3f3d96d4b2e2
What is the term for learning from past experiences and reasoning?
[ "insight learning", "experimental learning", "logical learning", "consequence learning" ]
insight learning
sciq
6ca38c56-0fcb-4bb8-bff3-14330ea8c25e
Science is the process of knowing about the natural universe through observation and this?
[ "experimental", "Test", "variation", "experiment" ]
experiment
sciq
e3e3b5d5-2840-4e7d-a1c4-3bcab5055e49
What type of plant keeps it green leaves year-round?
[ "evergreen plant", "conifer", "deciduous", "cactus" ]
evergreen plant
sciq
21dd289f-4eab-427c-9989-ce8430ecf0e3
What are reactions that can occur only in one direction called?
[ "irreversible", "instantaneous", "permanent", "critical" ]
irreversible
sciq
c67c32f2-c720-424b-93fa-f55710bbdd1a
What is the diffusion of water molecules across a semipermeable membrane?
[ "osmosis", "active transport", "organelle motion", "electrolysis" ]
osmosis
sciq
d01785e8-6909-4dbc-bca5-015b4a4d227a
What forms when there is a difference in temperature between the land and the air?
[ "fog", "sandstorms", "smoke", "tsunamis" ]
fog
sciq
91238f7a-7d2a-4888-aa7b-bf0b86cf31ef
What domain-level category of cells can contain more than 1000 times the dna found in a typical bacterial cell?
[ "mutations", "genetic", "eukaryotic", "chromosomes" ]
eukaryotic
sciq
c977c317-75e7-44c4-b3cb-acb5eb47f0e1
What gas is released by burning of fossil fuels and contributes to global warming?
[ "carbon dioxide", "nitrous oxide", "helium", "hydrogen" ]
carbon dioxide
sciq
61ef654d-124e-4298-825e-a3869ef11620
A major disturbance in what results in an episode of severe weather called a storm?
[ "the ozone layer", "the oceans", "the atmosphere", "the core" ]
the atmosphere
sciq
88267991-78b8-4300-98cb-78ee233a2b1d
Bone marrow, the thymus gland, the spleen, and the tonsils are organs in what body system?
[ "nervous system", "reproductive system", "skeletal system", "immune system" ]
immune system
sciq
30f94728-fbc9-4c7c-b464-3403da7f9407
What term refers to the balance, or equilibrium, within the cell or a body, and an organism’s ability to keep a constant internal environment?
[ "consciousness", "metabolism", "ketosis", "homeostasis" ]
homeostasis
sciq
b5ab41c2-ae07-4bcc-9c7d-734742d1bd9a
Atoms of different elements can combine in simple whole number ratios to form what?
[ "mixtures", "carbon compounds", "chemical compounds", "combinations" ]
chemical compounds
sciq
34164bd9-ed95-4f8c-85d1-ef630edde639
What blood component serves both structural and molecular functions in blood clotting?
[ "proteins", "plasma", "molecules", "platelets" ]
platelets
sciq