id
string
question
string
choices
list
answer_key
string
source
string
e1db1389-6a22-45c0-8957-b9ea5a791538
Which human body system is a complex network of nervous tissue that carries electrical messages throughout the body?
[ "the bacterial system", "the nervous system", "the lymph system", "the localized system" ]
the nervous system
sciq
4c6e69b7-6364-4583-873a-8c0b7d861163
What is a sheet of muscle that spreads across the bottom of the rib cage?
[ "diagram", "thorax", "cartilage", "diaphragm" ]
diaphragm
sciq
e57ba53c-cdfe-4f17-add4-e008ddbca4c0
What creates charged regions in a water molecule?
[ "nonpolar bonds", "polar covalent bonds", "noncovalent bonds", "ionic bonds" ]
polar covalent bonds
sciq
66b80c2d-ae6a-48dd-8285-3d4afd570dcd
Phosphorus exists as several allotropes, the most common being red, black, and what?
[ "purple phosphorus​", "white phosphorus", "green phosphorus​", "yellow phosphorous" ]
white phosphorus
sciq
2e73e099-8f15-4b26-9adc-d9cfd268a393
What is the term for environmental causes of mutations?
[ "carcinogens", "mutagens", "pollutants", "catalysts" ]
mutagens
sciq
bf2ee1b3-f164-41cd-94b8-06ddca70936f
How are classic sedimentary rocks group?
[ "size of sediment", "density", "particle depth", "color" ]
size of sediment
sciq
849903b7-702a-42ab-88a8-234c7b1ba882
How many eyelid membranes do frogs have?
[ "three", "one", "two", "four" ]
three
sciq
a82684c2-26b4-46ae-8f51-e0e5a6ddca76
What is another word for saturated hydrocarbons?
[ "enzymes", "aldehydes", "catalysts", "alkanes" ]
alkanes
sciq
98428c77-d47a-4cb6-83b1-4f2194e2bec1
Where is the pressure of gases in the atmosphere at its greatest?
[ "sea level", "core", "mountain ranges", "stratosphere" ]
sea level
sciq
570a1333-9491-4f29-9998-b17b394fed8d
What strong and lightweight manmade material is derived from hydrocarbons and used in ropes, tents and parachutes?
[ "styrofoam", "nylon", "cellophane", "aluminum" ]
nylon
sciq
b125e6ba-ce91-4c23-b270-fa54e8aa0652
What is the third male reprodutive structure after the penis and testes?
[ "epididymis", "clitoris", "anus", "scrotum" ]
epididymis
sciq
a8d89a5e-2473-4583-a60c-c2e7aa9f2a46
What are considered solid lipids that animals use to store energy?
[ "acids", "proteins", "sugars", "fats" ]
fats
sciq
829da139-532e-463e-b9c0-071f2477c78b
The small, egg-shaped organs that lie on either side of the uterus are called?
[ "ovaries", "glands", "kidneys", "lungs" ]
ovaries
sciq
4e6c2859-9936-43c1-b6bb-de0b121ea074
Which competition leads to one species going extinct or both becoming more specialized?
[ "interspecific", "beneficial", "mimicry", "intraspecific" ]
interspecific
sciq
894c2558-54e6-493d-87ed-1e25447a2a4e
Who discovered that the andromeda nebula is over 2 million light years away
[ "richter hubble", "mills hubble", "edwin hubble", "smith hubble" ]
edwin hubble
sciq
942ad09f-6319-47d5-b6bd-6ab51c65a7b9
What does every star emit that humans cannot see?
[ "dust", "radiation", "sound", "light" ]
radiation
sciq
e07acfe9-2816-49ad-9662-f71cba76d1e7
What type pf mining is used to obtain mineral ores that are near the surface?
[ "surface mining", "core mining", "function mining", "multi-layered mining" ]
surface mining
sciq
aa3c4c3f-b3c1-4ac1-855c-aa85fbfb1dcd
The external female reproductive structures are referred to collectively as what?
[ "the Fallopian tube", "the uterus", "the cervix", "the vulva" ]
the vulva
sciq
086d2aca-3666-4b88-ac56-aaf7e27e2024
Acid rain may be caused by what?
[ "hurricanes", "water pollution", "air pollution", "volcanos" ]
air pollution
sciq
f4f11230-c464-49ab-901b-d3dba22e438b
What process is used to chemically and mechanically break down the food you eat into smaller parts?
[ "digestion", "filtration", "absorption", "regression" ]
digestion
sciq
2c8c2dd8-5f39-445d-8f3c-215ad5d2602a
What is the study of matter and the changes that material substances undergo.
[ "geology", "physiology", "chemistry", "biology" ]
chemistry
sciq
d80f4c01-9560-4bd8-865a-7c484f6b28eb
What occurs when the presence or absence of a specific behavior prevents reproduction from taking place?
[ "spontaneous mutation", "behavioral isolation", "primary speciation", "natural selection" ]
behavioral isolation
sciq
67492ac3-0f9b-4b75-b572-4abbf7b240af
Why have rivers in arid regions been reduced to trickles?
[ "rainforest destruction", "global warming", "emigration", "diversion of water" ]
diversion of water
sciq
72014739-5a3b-4643-9df1-d7274af2a082
Having extra chromosomes or damaged chromosomes can cause what?
[ "problems", "diseases", "deformities", "disorders" ]
disorders
sciq
6dccd5e2-ddb1-4bfa-9d3a-3ff2a2f01cae
What do farmers use greenhouses for?
[ "to extend the growing season", "to allow the growing season", "to decrease the growing season", "to predict the growing season" ]
to extend the growing season
sciq
569e2f3a-6cfd-4bfc-847c-9bf4e8a017d1
What is it called when two waves in the same medium pass one another?
[ "accumulation", "synchrony", "interference", "frequency" ]
interference
sciq
31637578-2208-4c90-ab87-6d6475c14699
Which forests are found throughout the ocean in temperate and arctic climates?
[ "mangrove", "coral reefs", "kelp", "cedar" ]
kelp
sciq
bb668a15-7e53-4f3f-8f8a-ae539f8887d5
What is the type of cancer in which bone marrow produces abnormal white blood cells that cannot fight infections?
[ "melanoma", "lymphedema", "leukemia", "pneumonia" ]
leukemia
sciq
d8480189-1421-4541-b73e-a5aa93fddc3d
Mechanical energy can also usually be expressed as the sum of kinetic energy and what other kind of energy?
[ "reflective energy", "potential energy", "directional energy", "partial energy" ]
potential energy
sciq
19a9fd40-476c-41e4-a631-5ae28f4bb71b
What kind of bonds are forces of attraction between positive metal ions and the valence electrons that are constantly moving around them?
[ "neutron bonds", "liquid bonds", "ionized bonds", "metallic bonds" ]
metallic bonds
sciq
501a3214-18bc-4252-a728-eef8e11c96d5
Aldehydes and ketones can work weak hydrogen bonds with water through what atom?
[ "carbonyl oxygen atom", "carbon carbon atom", "pyridinium oxygen atom", "basalt oxygen atom" ]
carbonyl oxygen atom
sciq
362d070c-4fe9-449c-a727-b662f883a1bb
Asexual reproduction in plants is typically an extension of the capacity for what?
[ "indeterminate growth", "extracellular growth", "blooming growth", "substrate growth" ]
indeterminate growth
sciq
85bf52e0-4fa1-409d-b531-ca79bc0df786
A type of what in a cow's gut enables the animal to digest grass?
[ "bacteria", "algae", "pests", "virus" ]
bacteria
sciq
345e1d58-a1f0-4d7c-a028-2b9e6861cab5
What basic structures are called the building blocks of life and comprise all living things?
[ "cells", "lipids", "pigments", "seeds" ]
cells
sciq
58f5395c-36bd-4696-b1b1-cfa2cf8c9b46
What kind of behavior occurs only after experience or practice and describes most human behaviors?
[ "learned behavior", "innate behavior", "practiced behavior", "inherited behavior" ]
learned behavior
sciq
d387ee53-c928-4b29-93d9-2df2d8324729
What is the study of the interaction between matter and energy called?
[ "geology", "astronomy", "climatology", "chemistry" ]
chemistry
sciq
793f4830-c589-4250-b8aa-72c833509885
Prescribed to treat allergies, antihistamines and corticosteroids help control what system that attacks allergens?
[ "nervous system", "reproductive system", "cardiovascular", "immune system" ]
immune system
sciq
2ace754d-0efc-4da9-a954-af610810ca39
The main advantage of urea is its very low what?
[ "toxicity", "temperature", "cost", "energy requirement" ]
toxicity
sciq
802a6f74-e9a1-4b65-a2b1-c5383f279d54
What type of blood cells transport oxygen to the tissues so they can function?
[ "white blood cells", "depleted blood cells", "red blood cells", "mutated blood cells" ]
red blood cells
sciq
e408086b-5751-454f-b7a2-da342d4b086b
What title is used to describe health professionals who use nonsurgical techniques to help patients with musculoskeletal system problems that involve the bones, muscles, ligaments, tendons, or nervous system?
[ "dentist", "podiatrist", "physical therapist", "chiropractor chiropractors" ]
chiropractor chiropractors
sciq
99a15386-94f8-4526-8c96-a074811928d3
Flowers pollinated by what means generally lack brightly colored parts?
[ "butterflies", "larvae", "wind", "bees" ]
wind
sciq
8985e52d-550b-43de-ad16-8183b88e7cca
Fog disappears when the water droplets change back to what?
[ "solid vapor", "ice vapor", "water vapor", "cold vapor" ]
water vapor
sciq
a1c48c8d-a911-4cf5-8fcf-626eff9bd1aa
What is the name of the type of combustion engine that you would find in a car?
[ "internal vapor engine", "internal modern engine", "internal combustion engine", "internal oxide engine" ]
internal combustion engine
sciq
0ba354b9-b0e9-4097-971f-dd4891983db4
What must molecules have to be cis-trans isomers?
[ "single bond", "triple bond", "last bond", "double bond" ]
double bond
sciq
388ce830-6928-4b94-90f0-43912193ce0e
In physics, work means the use of what to move an object?
[ "force", "mass", "energy", "leverage" ]
force
sciq
9b1384c9-4a5d-4964-863f-59a0c4057ad4
Types of radiation that cause cancer include ultraviolet (uv) radiation and what?
[ "molecular", "vibrational", "thermal", "radon" ]
radon
sciq
97e27137-70b9-476f-a4c3-57631a4be155
How many calories of energy does one gram of sugar or starch provide?
[ "4", "5", "3", "10" ]
4
sciq
19e8a1af-af89-4cec-8ac5-e7254d75a04f
Defecating, urination, and even childbirth involve cooperation between the diaphragm and these?
[ "heart muscles", "lung muscles", "abdominal muscles", "skeletal muscles" ]
abdominal muscles
sciq
c93ef680-1e28-42c9-b475-87ffb134a1da
When we move down a group of elements on the periodic table, what happens to their electronegativity?
[ "it increases", "it stays the same", "it decreases", "it doubles" ]
it decreases
sciq
44a49a74-55f2-4a11-901b-f651038c14d8
What two elements do chloroplasts split water into?
[ "Salt and sodium", "Carbon and water", "hydrogen and oxygen", "vaporize and oxygen" ]
hydrogen and oxygen
sciq
f657a165-a986-4428-9cad-8a58ed4ccf60
Continuous-flow reactors are chemical reaction vessels in which the what are mixed and allowed to react as they flow along a tube?
[ "propellants", "reactants", "generators", "reactives" ]
reactants
sciq
8f330553-116f-44fe-a268-d5e0dd872262
What is it called when one or more ending digits are dropped to get the correct number of significant figures?
[ "rounding", "scientific notation", "turning", "basing" ]
rounding
sciq
42f803ae-a8e8-4390-9d65-ed730898cb0b
Hair sticks out from the epidermis, but it grows from the?
[ "humus", "bone", "dermis", "fat" ]
dermis
sciq
31fcb523-c444-4afb-a485-19208cdfa27c
The milky way galaxy is which shape type of galaxy?
[ "spiral", "cylindrical", "helical", "spherical" ]
spiral
sciq
3848f597-e818-4532-a075-65b71abefb59
Atmospheric pressure is low in what anatomically named part of a hurricane?
[ "mouth", "eye", "nose", "leg" ]
eye
sciq
6fe6bd98-d799-41ec-a2c9-f1c2b6657c75
What occurs when a substance diffuses through a cell membrane without any help from other molecules?
[ "simple filtration", "simple diffusion", "visual diffusion", "visible diffusion" ]
simple diffusion
sciq
184143ed-3296-4cc0-9b56-6b3056ca1f45
Sodium and chloride ions have equal but what charges?
[ "positive", "path", "opposite", "simple" ]
opposite
sciq
19b270ce-7170-44ed-bd4d-4a8f9797abb0
What is making measurements that are close to the true value known as?
[ "estimation", "accuracy", "prediction", "frequency" ]
accuracy
sciq
206f2295-d2b2-4414-9c9e-f6552eace68f
What are muscle cells in the muscles called?
[ "human fibers", "job fibers", "use fibers", "muscle fibers" ]
muscle fibers
sciq
2cde7190-6664-4fbd-bbb8-4bcffb35b73f
What term means the minimum energy required in order for a collision between molecules to result in a chemical reaction?
[ "maximum energy", "activation energy", "depletion energy", "solar energy" ]
activation energy
sciq
1e286079-4a15-4272-8dd0-fcdc98e8ee2a
What term is used to describe the change in size or volume of a given mass with temperature?
[ "atmospheric expansion", "freezing", "thermal contraction", "thermal expansion" ]
thermal expansion
sciq
ad9a9313-bf23-46eb-a765-1f9ae079011d
What are created based upon the loss or gain of electrons?
[ "hydrogens", "ions", "atoms", "crystals" ]
ions
sciq
f185482e-905e-4404-86d3-40cd1ecfcabb
All atoms of the same element have the same number of what?
[ "charge", "electrons", "protons", "molecules" ]
protons
sciq
813af7cf-266e-4e40-a930-fd452bba69f2
What kind of chain is formed by subduction of oceanic crust beneath a continental or oceanic plate?
[ "chain reaction", "mountain", "tsunami", "volcano" ]
volcano
sciq
41f9db75-f572-45bc-96d9-e30ae2941dcf
Which kinds of cells have nuclei and other membrane bound organelles?
[ "eukaryotes", "monocytes", "lipids", "prokaryotes" ]
eukaryotes
sciq
e1cfa044-4816-4af7-aa81-7db52563bcd0
What regulates the thyroid gland in a body?
[ "negative feedback loop", "positive feedback loop", "upper feedback loop", "normal feedback loop" ]
negative feedback loop
sciq
2e3e68f2-8245-4960-9830-e5ecd50265a4
Females of what mammalian group have mammary glands but lack nipples?
[ "monotreme", "Eutheria", "prosauropod", "Metatheria" ]
monotreme
sciq
14e9480f-f8f2-4c16-93dc-584fd4d9ea9c
What helps fungus digest cellulose and other materials found in rotting matter?
[ "carbohydrates", "soil", "hormones", "enzymes" ]
enzymes
sciq
339c4866-9bdd-4662-aa12-826c9abf0f76
In what form of lipids cells store energy for long-term use?
[ "treasure", "fat", "nuts", "meat" ]
fat
sciq
c3bdad55-71b2-4429-8cf3-92aaa8f38de4
What is used to fluoridate drinking water to promote dental health
[ "carbon fluorine", "carbon fluoride", "calcium fluoride", "calcium fluorine" ]
calcium fluoride
sciq
c6c3f13b-31df-4e3c-9e01-f4c112491504
Light reactions also release oxygen gas as a what?
[ "strange process", "formal process", "waste product", "detritus product" ]
waste product
sciq
594556a6-5350-48f0-a01b-a9bcb4c21c3e
What is the term for rain that has a ph less than 5, due to carbon dioxide dissolving?
[ "carbon rain", "basic rain", "frozen rain", "acid rain" ]
acid rain
sciq
14e2757c-fd23-4400-95b6-006e920fbcf5
What gas is released into the atmosphere when fossil fuels are burned?
[ "helium", "glucose", "hydrogen", "co2" ]
co2
sciq
412f068f-fe0c-4239-acce-e63d6d8f8640
What are the most energetic of all electromagnetic waves, which can be used to treat cancer?
[ "ultraviolet", "X-ray", "gamma rays", "infrared" ]
gamma rays
sciq
e7dd1778-576e-45fb-a33f-f296eb8f97ac
When does a baby double in length and triple in weight?
[ "infancy", "pre-adolescence", "fetal stage", "terrible twos" ]
infancy
sciq
83dcd2d4-db01-406e-ac6b-25f8c0d7de3b
Where do the cells in your body get oxygen from?
[ "white blood cells", "the digestive system", "red blood cells", "pores" ]
red blood cells
sciq
01052632-9237-40f7-a127-e371dd502c57
What type of generations do plants alternate between during a life cycle?
[ "haploid and diploid", "haploid and clump", "algal and diploid", "vitro and diploid" ]
haploid and diploid
sciq
44a74632-c36e-41a6-81ea-e6f101bc0771
Genetic diversity in a population comes from two main sources - sexual reproduction and what else?
[ "pathogen", "radiation", "education", "mutation" ]
mutation
sciq
647f23a0-2a23-4adb-a454-72afffd2981a
What state of matter completes the list: solid, liquid, gas?
[ "power", "energy", "plasma", "ice" ]
plasma
sciq
28e182f1-b02b-4915-9dfc-7d7b4c3c646c
The heart, blood vessels, and blood make up which system in the body?
[ "respiratory", "pulminary", "digestive", "cardiovascular" ]
cardiovascular
sciq
18ae30d6-97f0-4a4d-856e-c152ddc0f853
What unit of measurement is typically used for rainfall?
[ "gallons", "pounds", "inches", "feet" ]
inches
sciq
d31215f7-c1b5-4ab9-ba44-9eea053683e1
Which elements fall between metals and nonmetals in the periodic table?
[ "metalloids", "halogens", "noble gases", "synthetics" ]
metalloids
sciq
af8e05c2-79e6-49af-99cf-bcbb0b22beb9
What is it called when bones get longer and bigger?
[ "growth", "reproduction", "expansion", "replication" ]
growth
sciq
02f43219-d539-4ad0-928d-4deffa6c2b31
What kind of reactions are involved in processes ranging from the contraction of muscles to the digestion of food?
[ "mineral", "liquid", "chemical", "atomical" ]
chemical
sciq
d3961659-8c3e-4be0-9f16-844f7a006533
Mycorrhizae functions as a physical barrier to what?
[ "bacteria", "parasites", "vaccines", "pathogens" ]
pathogens
sciq
2fde3610-28e5-463c-89ad-f6a390625269
What do skeletal muscles enable the body to do?
[ "look", "move", "breathe", "eat" ]
move
sciq
c59f80d1-219a-4586-9802-8b4ace197497
What is the sum total of all body reactions?
[ "growth", "metabolism", "immunity", "respiration" ]
metabolism
sciq
5f9e4882-6eda-4443-9847-b4fdb36e1e68
What type of reproduction involves combining genetic material from two parents to create distinct offspring?
[ "mild reproduction", "bsexual reproduction", "sexual reproduction", "asexual reproduction" ]
sexual reproduction
sciq
e5befba2-27a0-4bb9-b199-fd446d64bffe
What kind of molecule is made from one or more long chains of amino acids?
[ "amino molecule", "protein molecule", "chain molecule", "membrane molecule" ]
protein molecule
sciq
7bdc9320-fd53-4cba-a114-8edeb2aff240
What part of the heart receives the blood is pumped from veins of the systemic circuit?
[ "left ventricle", "right ventricle", "left atrium", "right atrium" ]
right atrium
sciq
c62ab02e-1a5f-4a27-94e5-ea91c512be86
What type of properties are characteristics that describe matter?
[ "visible", "thermal", "invisible", "physical" ]
physical
sciq
3735aa49-7201-4a6c-94f7-e574b8ee0caf
What is the leading cause of death in the united states?
[ "automobile accidents", "heart disease", "lung cancer", "suicide" ]
heart disease
sciq
9434a4d6-c25e-4eab-86b5-c55ccfc141b1
What results when gas particles rebound off the walls of their container?
[ "pull", "pressure", "weight", "light" ]
pressure
sciq
793aaca4-f3e8-4496-a3f2-0cfd84a18e2f
How do most fish reproduce with one another?
[ "asexually", "same sex", "on land", "sexually" ]
sexually
sciq
780fa5fd-0157-41a7-b4dd-05cf94973b83
What is the ability to cause changes in matter?
[ "force", "energy", "hydrogen", "pressure" ]
energy
sciq
9b48c93b-7a16-485c-9029-3550ca1f7977
The group 18 gases that have 8 valence electrons are referred to as what type of gases?
[ "important", "metal", "noble", "novel" ]
noble
sciq
8aab03b6-ecb8-4a12-90a0-9c7c09ff17a0
Competition is a relationship between organisms that depend on the same resources. the resources might be food, water, or what?
[ "time", "space", "language", "thought" ]
space
sciq
4f60bff2-46ac-4b81-86f4-3597bfc3a416
What does phagocytosis defend the body from?
[ "allergies", "parasites", "obesity", "pathogens" ]
pathogens
sciq
69007e77-b5af-46e4-aaf6-1b1b779e574f
What measures the force of gravity pulling on an object?
[ "density", "volume", "velocity", "weight" ]
weight
sciq
a9ac410e-5982-46d9-88f5-c52be99d5aec
Are coral reefs found in warm or cold water?
[ "cool", "cold", "warm", "both" ]
warm
sciq