id
string
question
string
choices
list
answer_key
string
source
string
44485a06-965b-4085-a189-0ec409968efe
What is a purification process where the components of a liquid mixture are vaporized and then condensed and isolated?
[ "distillation", "sterilization", "conduction", "dispersion" ]
distillation
sciq
258f004f-795b-4be8-8f14-3a82e7afa7e7
What gas comprises about three-fourths of earth's atmosphere?
[ "carbon dioxide", "hydrogen", "oxygen", "nitrogen" ]
nitrogen
sciq
936650b3-1c8f-4d97-bf1a-90b2c6f0ba02
The lymphatic system helps return fluid that leaks from the blood vessels back to what system?
[ "pulmonary", "nervous", "peripheral", "cardiovascular" ]
cardiovascular
sciq
39fe678d-3849-470a-b8f4-d40fb90571cb
Light is energy that travels in the form of what type of wave?
[ "seismic", "particle", "electromagnetic", "molecular" ]
electromagnetic
sciq
4107c333-e576-4341-9adb-46a9530aa71b
Naphthalens is a chemical which is commonly used in what?
[ "shampoo", "mothballs", "inhalers", "fertilizers" ]
mothballs
sciq
607bf786-004b-4663-abd2-7c79cc9f36f6
What substances are secreted by specialized cells usually located in endocrine glands?
[ "lipids", "acid", "protein", "hormones" ]
hormones
sciq
2f2f1714-6b7c-4c69-80f1-28632d8460ec
Chlorine and bromine gases released into the atmosphere have helped damage what layer of the atmosphere?
[ "ozone layer", "stratospheric layer", "polluted layer", "carbon layer" ]
ozone layer
sciq
9f067634-fb3c-44f2-95d6-23b80f2ea091
Which kind of vertebrates are amphibians?
[ "ectothermic vertebrates", "enterococci vertebrates", "endothermic vertebrates", "arachnids vertebrates" ]
ectothermic vertebrates
sciq
8fd42b7b-4545-48a0-8c9b-b3305e9b7bbe
What type of forces are involved when deposited rock forms deltas or barrier islands?
[ "matter forces", "gravity forces", "constructive forces", "accumulation forces" ]
constructive forces
sciq
396c7e07-0027-4259-a89a-e17f63d84147
Vertebrates differ from invertebrates because they lack this?
[ "backbone or a spinal column", "head", "neck", "legs" ]
backbone or a spinal column
sciq
a04628ec-824a-4c2c-9437-ce76c0cb1340
The fluid surrounding cells is hemolymph in insects and other animals with an open type of what system?
[ "pulmonary", "lymphatic", "circulatory", "vascular" ]
circulatory
sciq
b009a816-a3d2-40c1-bf6d-549b7698bbb4
Whan an alkene is aquired by an alkyl halide in an organic reaction, what kind of reaction is this?
[ "migration", "subtraction", "extinction", "elimination" ]
elimination
sciq
9a4edd2a-ade2-4d58-aeed-187ede1ffa68
What is the process by which undigested food leaves the body?
[ "glycolysis", "peristalsis", "digestion", "egestion" ]
egestion
sciq
14be47ef-c18e-43ee-a19f-db051a9c5a4f
Because of its composition, oil does not do what in water?
[ "dissolve", "explode", "form", "separate" ]
dissolve
sciq
64d3734e-5787-4ef0-992c-4b2444eab44c
Linked genes are located on the same what?
[ "genome", "bacterium", "nucleolus", "chromosome" ]
chromosome
sciq
69830f6a-e607-4a1c-8c09-55c2d0b7bd7f
What move the body by contracting against the skeleton?
[ "muscles", "nerves", "tissues", "hormones" ]
muscles
sciq
ee978333-55d7-41d7-863f-1f7fb89f1723
In what energy industry process are fluids pumped through a borehole, creating fractures in the rock that contains the natural gas?
[ "strip mining", "oil wells", "grinding", "fracking" ]
fracking
sciq
133c5caa-68c5-4d27-ade6-a7c0b429532d
What counter provides a sensitive means of detecting radioactivity?
[ "gravity", "geiger", "bouncy", "calorie" ]
geiger
sciq
a81e85c6-cc60-4de7-b4ab-2139e785e0eb
What do stored fats provide our body with for later use?
[ "water", "energy", "hydrogen", "metals" ]
energy
sciq
bb9d5772-3eb0-4486-8f3a-a0d5e2222511
What long molecules are composed of chains of units called monomers?
[ "complexes", "drummers", "polymers", "microbes" ]
polymers
sciq
b5fac2a1-b64e-4f75-8587-063ec71ef71c
Where does an object gain or lose it's energy to during travel through a potential difference?
[ "electric field", "wave field", "particle field", "magnetic field" ]
electric field
sciq
10121d2f-21f2-4627-a756-53c6d6972dd4
Where do biochemical reactions take place?
[ "outside of cells", "between cells", "in atoms", "inside the organisms' cells" ]
inside the organisms' cells
sciq
b612e429-2a43-4675-8125-c85607cd2608
When fuel is burned, most of the energy is released in what form?
[ "carbon dioxide", "heat", "humidity", "precipitation" ]
heat
sciq
95dd9c75-0f56-42f4-900c-84126713d7df
How are voltmeters placed in the circuit?
[ "after parallel", "since parallel", "in parallel", "not parallel" ]
in parallel
sciq
ff0996d7-3602-40ce-aa2e-6549e64abafc
What is an attitude of doubt about the truthfulness of claims that lack empirical evidence?
[ "conspiracy", "skepticism", "speculation", "independent variable" ]
skepticism
sciq
400fea2e-3fab-4ff8-9a1f-07366c10f367
Cardiovascular disease, some types of cancer, type 2 diabetes, and obesity are considered what kind of preventable diseases?
[ "lifestyle diseases", "age diseases", "environmental diseases", "atmosphere diseases" ]
lifestyle diseases
sciq
88f95892-eec9-41c3-ba50-1412a98c39c5
What process is the primary function of the branching internal tubules called protonephridia?
[ "calcification", "enculturation", "thermoregulation", "osmoregulation" ]
osmoregulation
sciq
ecba231b-51db-4f16-a650-df52f5536d35
Which law means that the simplest of competing theories is most likely to be correct?
[ "Law of Conservation", "Newton's law", "law of parsimony", "Murphy's Law" ]
law of parsimony
sciq
7882664f-7536-43a0-82f8-60667f758844
Iron will do what when it is exposed to oxygen and water?
[ "become hot", "rust", "contract", "expand" ]
rust
sciq
ad5218d2-da49-4990-9f32-922184566a92
About how many days does it take the moon to make one orbit around the earth?
[ "28", "21", "22", "30" ]
28
sciq
de63c6f2-4000-45da-8e28-eda248746a88
The most common two-lens telescope, like the simple microscope, uses lenses of what shape?
[ "concave", "cylindrical", "convex", "angular" ]
convex
sciq
7e724e64-e4c4-43e4-b8e5-5e3bf7e8e5d7
Glucose, galactose, and fructose are all what?
[ "alucoxes", "structoxes", "fluxes", "hexoses" ]
hexoses
sciq
0824c248-be89-4e5b-919c-1124dce689c0
Which property can you study by comparing the mass of an object relative to its size?
[ "density", "volume", "motion", "weight" ]
density
sciq
7dcab5e4-dc5b-4d81-9831-f0d67e2bc72b
What term means the percent by mass of each element in a compound?
[ "mass composition", "molecular composition", "calculated composition", "percent composition" ]
percent composition
sciq
ae09078a-36ea-47f0-a815-b976e9e79889
The combined gas law involves three properties of a gas - volume, absolute temperature, and what?
[ "power", "direction", "pressure", "time" ]
pressure
sciq
71db2e4b-8e82-40c8-87fc-a3e94f0ff2ff
What is the force of attraction that holds together positive and negative ions?
[ "ionic bond", "magnetic bond", "integral bond", "electron bond" ]
ionic bond
sciq
abc8b422-e5ce-4af1-9add-e8f75d7779b9
In the lungs, bicarbonate is transported back into the red blood cells in exchange for what?
[ "chloride", "glucose", "oxygen", "phosphate" ]
chloride
sciq
6ba9b3cf-993d-4687-99e4-d00356b761ba
What is defined as an organism in the earliest stages of development?
[ "an embryo", "an nucleus", "a gamete", "a zygote" ]
an embryo
sciq
13956773-6433-4418-adf0-5f57c1fb7a26
Microevolution occuring and taking place over many generations results in?
[ "macroevolution", "microinjection", "fission", "recalibration" ]
macroevolution
sciq
aaa33097-432b-46cc-8a94-19ddedd29c2d
What do craters and rifts become when they fill with water?
[ "lakes", "rivers", "seas", "streams" ]
lakes
sciq
2bc520f6-f0e4-4750-9b08-9b73d01ae57f
What system carries messages from sense organs and internal organs to the central nervous system?
[ "sensitive nervous system", "auxiliary nervous system", "respiratory system", "peripheral nervous system" ]
peripheral nervous system
sciq
73be2db2-bb86-4e50-9ef2-8bf78af69493
What disease is described as a respiratory disorder characterized by wheezing, coughing, and a feeling of constriction in the chest?
[ "asthma", "indigestion", "dementia", "inflammation" ]
asthma
sciq
3635af3f-da6d-4c0a-851a-96bf3f204eb7
What is used to darken images of the sky?
[ "uv filter", "neutral density filter", "polarizing filters", "close-up filter" ]
polarizing filters
sciq
41f39c97-d345-4bcc-8f36-b2d58c2412be
A tumor of what gland can cause hypersecretion of growth hormone?
[ "Pancreas", "tissues gland", "pituitary gland", "Parathyroid" ]
pituitary gland
sciq
fb50ad9a-4590-4a26-a439-0b239c7ed446
After the blood in the pulmonary capillaries becomes saturated with oxygen, it leaves the lungs and travels where?
[ "to the lungs", "to the heart", "to the kidneys", "to the brain" ]
to the heart
sciq
93339a76-6c67-428c-81f3-6155caa6c475
Depending on the surrounding conditions, normal matter usually exists as one of three phases: solid, liquid, or this?
[ "crystal", "fluid", "gas", "ice" ]
gas
sciq
736ac2ad-a1ac-4190-aed0-9031b1d29553
What celestial bodies are classified by color and temperature, ranging from blue to red and hottest to coolest?
[ "stars", "astroids", "planets", "galaxies" ]
stars
sciq
8402aaac-bf68-402d-b392-a0745ea217fe
What carries small pollen grains farther than they otherwise would go?
[ "humidity", "steam", "wind", "birds" ]
wind
sciq
9d76eace-3e93-4f06-bcb2-4db84e69de78
What do rocket-based systems use to propel itself into space?
[ "nuclear reactions", "hydrogen reactions", "chemical reactions", "water reactions" ]
chemical reactions
sciq
8e52c2a3-59e2-4d6e-93d7-69bb48a9f9c6
What term simply means sensitive beyond normal levels of activation?
[ "hyposensitivity", "hypersensitivity", "isosensitivity", "monosensitivity" ]
hypersensitivity
sciq
7216717e-b262-464a-ac4d-f4d2d5715bec
The hypothalamic releasing and inhibiting hormones are secreted near capillaries at the base of the what?
[ "pancreas", "lungs", "hippocampus", "hypothalamus" ]
hypothalamus
sciq
765c0829-aff7-41df-903c-7ab0e3361a3e
A microscope can be made from two of what kind of lenses?
[ "convex", "inner", "angular", "outer" ]
convex
sciq
06a0c23c-83d4-4943-86ff-3a72e72da8f3
What produces almost one-half of the earth's oxygen through photosynthesis?
[ "algae", "arthropods", "protists", "prokaryotes" ]
protists
sciq
6aa7dc5f-3a0f-44af-9a23-cf687c404c38
What is said to occur when both traits appear in a heterozygous offspring?
[ "codominance", "identical twins", "xenophobia", "pollenation" ]
codominance
sciq
5e55407a-ca9c-45c3-a984-cfa77f084cce
What type of response do signal transductions within target cells bring about?
[ "resporatory", "physiological", "psychological", "bacterial" ]
physiological
sciq
accdb401-040d-4c82-9073-f1c05ad35c47
What happens to meteors as they fall through the mesosphere?
[ "they bounce", "they burn", "they grow", "they stop suddenly" ]
they burn
sciq
2cb81813-2dce-4034-9dee-ab717fc40918
What are the three main types of rocks?
[ "plutonic, igneous and metmorphic", "sedimentary, igneous and metamorphic", "limestone , igneous and metamorphic", "crystalline , igneous and metamorphic" ]
sedimentary, igneous and metamorphic
sciq
fb354939-8cae-4b49-abd0-123368b24d24
What is the only continent without amphibians?
[ "antarctica", "Europe", "Australia", "Africa" ]
antarctica
sciq
6423e0e3-4350-464a-8447-23c3a2bbf81b
A hair grows out of a follicle and passes through what before extending above the skin surface?
[ "callus", "epidermis", "cartilage", "dermis" ]
epidermis
sciq
c8ca3b83-fe7f-41c5-a36f-a4da8d446641
What are the long, thin structures that protrude from the cell membrane and help single-celled organisms move or swim towards food?
[ "flagella", "tentacles", "sporangia", "microvilli" ]
flagella
sciq
305e6f15-13d2-4946-9611-2febec7d3219
What is the unit of evolution?
[ "the population", "the cell", "dna", "a phylum" ]
the population
sciq
254bc589-510f-44b9-871a-d54186ff7fde
What occurs where the water motion slows?
[ "diffusion", "vapor", "deposition", "erosion" ]
deposition
sciq
9cb25291-f831-4d01-bc49-c392e88272de
The force on a charged particle in a magnetic field is always perpendicular to both its velocity vector and the?
[ "track vector", "field vector", "position vector", "gravity vector" ]
field vector
sciq
b4aec38e-64ee-41e9-b893-b33482f83c5a
What is the process of removing wastes and excess water from the body called?
[ "diffusion", "ingestion", "excretion", "inspiration" ]
excretion
sciq
4778e05d-89b9-44bc-a136-6c865abbde77
What is the skeleton of the cell?
[ "cell membrane", "cytoplasm", "cytoskeleton", "cell wall" ]
cytoskeleton
sciq
1361533b-dd91-42eb-b640-71799980ff51
A salt concentration of 32 percent is nearly ten times that of what abundant resource?
[ "seawater", "algae", "oxygen", "fresh water" ]
seawater
sciq
1337634c-8e24-45dc-a766-2806557ad8b8
Atoms of one element can be transformed into another through which process?
[ "longer reactions", "nuclear reactions", "magnetic reactions", "developed reactions" ]
nuclear reactions
sciq
49872850-9036-47bd-a131-917e195bc22c
Blood from the body enters what chamber of the heart before it is pumped to the right ventricle and then to the lungs?
[ "left bivalve", "left atrium", "left ventricle", "right atrium" ]
right atrium
sciq
5caa993d-f0e7-4685-81a1-2bd6aaea7078
Dna replication, chromosome segregation, and the separation into two daughter cells are steps in what process?
[ "multiple fission", "reproductive fission", "nuclear fission", "binary fission" ]
binary fission
sciq
c65649e9-f1e6-4652-b57a-49b7a1628459
In science, what is defined as the transfer of energy from a vibrating object in waves that travel through matter?
[ "energy", "vibration", "sound", "photons" ]
sound
sciq
808a8f82-de64-4442-ba87-723885738b18
Where in the cell does transcription occur?
[ "nucleus", "epidermis", "protoplasm", "cell wall" ]
nucleus
sciq
956cce14-8db4-481b-ac20-94cc6c1453d4
Hydrogen peroxide is commonly sold as a 3% by volume solution for use as a what?
[ "surfactant", "disinfectant", "detergent", "antiseptic" ]
disinfectant
sciq
d81f7f29-5206-4015-8daa-dc94d253a854
In plants, pigment molecules absorb only visible light for photosynthesis. the visible light seen by humans as white light actually exists in a what?
[ "transparency", "invisible spectrum", "vacuum", "rainbow of colors" ]
rainbow of colors
sciq
980686c8-f82d-4b0f-a0dd-edda2db29228
When an acid and base solutions react, they produce water and a neutral ionic compound known as what?
[ "pollen", "sand", "salt", "dirt" ]
salt
sciq
a0474462-95a2-436e-a8f5-13b977f7e625
In the body, oxygen is used by cells of the body’s tissues and carbon dioxide is produced as what?
[ "fuel", "waste product", "food", "oxygen" ]
waste product
sciq
c8257381-be10-4953-b77e-67c9e9ccbd31
Chemical digestion in the small intestine cannot occur without the help of the pancreas and what bile-producing organ?
[ "kidney", "stomach", "liver", "heart" ]
liver
sciq
5a936db9-2249-421a-93e4-95014ddad776
What is the name of the smallest planet in our solar system, which is also nearest to the sun?
[ "mars", "mercury", "earth", "jupitor" ]
mercury
sciq
69a799ee-0686-4d9f-9b67-957642920bf2
All gymnosperm species and many eudicot species undergo what?
[ "third growth", "exploitation", "mutations", "secondary growth" ]
secondary growth
sciq
18077885-9ff2-4e4e-91ea-8f400d2b96d2
Slow-twitch or fast-twitch and oxidative or glycolytic describe what type of fibers?
[ "capillaries", "digestion muscle fibers", "coronary muscle fibers", "skeletal muscle fibers" ]
skeletal muscle fibers
sciq
e1396dcd-10b9-409a-abe5-6d1d4f989585
Plants have a touch response known as what?
[ "thigmotropism", "trichina", "photosynthesis", "pollenation" ]
thigmotropism
sciq
f6d6fb6b-5cdc-4f1c-89e3-2807f2004eb1
What is at the center of our solar system?
[ "the moon", "the Kuiper Belt", "the sun", "earth" ]
the sun
sciq
ae4f7f67-9343-4774-b1d4-00c47002d8fa
The different types of what systems work together to carry out all the life functions of the individual?
[ "maturation systems", "organ systems", "heartbeat systems", "digestive systems" ]
organ systems
sciq
6fb2ee5b-58e3-44cf-8034-d6da2609c81b
Why is uranus so faint?
[ "too cold", "far away", "polluted atmosphere", "too small" ]
far away
sciq
930df18c-5614-4881-8a09-c265ccceba7c
Which systems work together to provide cells with the oxygen they need for cellular respiration?
[ "respiratory and circulatory systems", "respiratory and lymph systems", "circulatory and digestive systems", "muscular and lymph systems" ]
respiratory and circulatory systems
sciq
438a6915-2b9b-4be5-b232-fc3c67154290
What organs have tiny tubes leading to and from elastic air sacs that improve airflow and oxygen uptake?
[ "ovaries", "liver", "lungs", "apendix" ]
lungs
sciq
816fba4c-ea9e-4cfe-b6e6-710f959280d0
What is produced when sulfur and oxygen combine?
[ "Acidic oxides", "Basic Oxides", "sulfur oxide", "hydrogen oxide" ]
sulfur oxide
sciq
ab1e711c-7c6f-4855-8b9c-39f91f6a4765
A skeleton that consists of hard, mineralized structures located within the soft tissue of organisms is called what?
[ "endoskeleton", "hydrostatic skeleton", "exoskeleton", "calcium deposits" ]
endoskeleton
sciq
e503f6f9-45f5-411a-ae1d-9562d3bcadf1
What evolutionary process does not favor altruistic behavior that causes the death of the altruist?
[ "flow selection", "random selection", "characteristic selection", "natural selection" ]
natural selection
sciq
b9a38e60-b521-477d-9463-91ac29f21527
In seed plants, after fertilization, what will the ovule eventually develop into?
[ "seed", "cone", "flower", "root" ]
seed
sciq
bf45d4af-c2c0-4380-844c-4325d978bff8
What is the message sent from the nucleus to the ribosome?
[ "mitochondria", "rna", "dna", "mrna" ]
mrna
sciq
d390c136-c30d-456c-9ee2-a3fe2469fef2
The phagocytes that are part of the body’s second line of defense attack any of what that they encounter?
[ "vaccines", "parasites", "viruses", "pathogens" ]
pathogens
sciq
db6c6867-d3e7-4734-be8a-0641af3c1ad7
Fungi are no longer classified as what, possessing cell walls made of chitin rather than cellulose?
[ "roots", "eukaryotes", "flowers", "plants" ]
plants
sciq
97c1cebc-e511-4588-91bd-a20177c05a5d
Endoscopes are used to explore the body through various orifices or these?
[ "major incisions", "minor incisions", "ocular cavity", "dermal tears" ]
minor incisions
sciq
debe16b2-037b-43bb-9806-7885153953cc
Bread has little holes in it from carbon dioxide produced by what?
[ "sugar", "water", "yeast", "bacteria" ]
yeast
sciq
7cbe7d26-81af-4fe7-ad01-f3cd983a2cb1
What unit are atomic radii typically measured in?
[ "picometers", "powers", "radons", "sporozoans" ]
picometers
sciq
4b0d746e-d3a1-432b-8ed4-078c7e055068
What are fungus like protists?
[ "lichen and kelp", "slime molds and water molds", "water molds and mushrooms", "slime molds and water lilies" ]
slime molds and water molds
sciq
791914e8-1fb3-45f8-b331-2013b46c28d1
Alpha, beta, and gamma emissions are associated with what kind of energy?
[ "electrical", "potential", "kinetic", "radiation" ]
radiation
sciq
12f318b7-0b9e-4fa1-9a22-6660b7ffa416
Transport of nutrients and regulation of body temperature through fluid flow are characteristics of which bodily system?
[ "gastrointestinal", "reproductive", "peripheral", "cardiovascular" ]
cardiovascular
sciq
514515ee-75a1-4601-85a2-f47030cff91c
What are the two components of a mixture called?
[ "solute and a solvent", "nutrients and a solvent", "concentration and a solvent", "acid and base" ]
solute and a solvent
sciq
97d79661-cb3d-43ec-a68a-8403470369fc
Insulin is produced by what cells of the pancreas?
[ "beta", "platelet", "alpha", "gamma" ]
beta
sciq