id
string
question
string
choices
list
answer_key
string
source
string
43d29009-2433-4d59-96b7-3d7215ade665
The role that a particular species plays in its ecosystem is also known as what?
[ "type", "market", "niche", "unique" ]
niche
sciq
f6f9bf28-d48b-44bd-99b6-13b56299607f
What element has the atomic number 16?
[ "neon", "sulfur", "oxygen", "helium" ]
sulfur
sciq
200d9187-dc7c-4411-aaf5-8832bd31118d
Name the most famous satellite of the earth?
[ "the moon", "skylab", "sputnik", "demos" ]
the moon
sciq
4d429495-f879-4271-af2c-a23826850ca4
What is the minimum number of loops a circuit can have?
[ "1", "3", ".1", "2" ]
1
sciq
6487cc5e-85c7-400d-a6e3-96db07d17765
What type of organism is algae?
[ "amoeba", "virus", "yeast", "bacteria (cyanobacteria)" ]
bacteria (cyanobacteria)
sciq
0fad8a91-8926-4852-a9a1-09c0cc269538
When water slows down, it starts depositing sediment, starting with which particles first?
[ "lightest", "finest", "smallest", "largest" ]
largest
sciq
a17f9d40-36b0-48f8-8ceb-fce81fb667df
Because they control many cell activities - as well as being controlled by feedback mechanisms - what substances are very important for homeostasis?
[ "acids", "proteins", "hormones", "enzymes" ]
hormones
sciq
4159180d-7653-4535-924a-e70ce2b4c530
Contraction of what large, sheet-like muscle results in inhalation?
[ "pelvic floor", "uterus", "deltoid", "diaphragm" ]
diaphragm
sciq
65647fbc-0ae9-4d08-a450-6525ed315c32
What type of ionic compound is formed from acid and bases reacting with each other?
[ "isolated", "common", "salt", "dry" ]
salt
sciq
f1f3fdeb-8999-452a-919b-4c452cfbaf66
The iron ion used to bind oxygen is on what type of "ring"?
[ "DNA ring", "porphyrin ring", "reagent ring", "petrarchan ring" ]
porphyrin ring
sciq
eb992240-be4c-41de-9ab3-8382aa06dbfa
In police radar, a radar gun sends out short bursts of which waves?
[ "soundwaves", "electrodes", "microwaves", "photons" ]
microwaves
sciq
f54e2147-71c5-4112-8757-20757546f0e7
Oxides of small, highly charged ions of what type tend to be acidic?
[ "metal", "liquid", "plastic", "steel" ]
metal
sciq
6bfe8be8-58a0-4284-a28b-419f216c507b
A lewis acid is a substance that accepts a pair of electrons to form what?
[ "functionality bond", "ambivalent bond", "accretion bond", "covalent bond" ]
covalent bond
sciq
3b83e97a-0af4-479e-994e-62893cfc9a78
What is the amount of force pushing against a given area?
[ "power", "energy", "inertia", "pressure" ]
pressure
sciq
99d1a504-dd3b-4fd5-91ea-4d3b8f8fd8fb
What is another word for seed plants?
[ "gymnosperm", "protosperm", "phyla", "echinoderm" ]
gymnosperm
sciq
3585bd75-aeb5-446e-8bcf-03f4f56f3b9c
What process takes place when echinoderms release their gametes into the water?
[ "fertilization", "migration", "stimulation", "isolation" ]
fertilization
sciq
0a0e41a3-4b1a-4c78-af08-8d1f357b8937
Salt hydrolysis is a reaction in which one of the ions from a salt reacts with what?
[ "water", "fat", "proteins", "air" ]
water
sciq
6b2ee0ed-0835-4ac1-8cba-b3d5e84f3599
Do motile cilia usually occur in small or large numbers on the cell surface?
[ "small", "neither", "mixed", "large" ]
large
sciq
84528dc3-0368-4ee6-a19f-cfbc778e549c
Potassium is a soft, silvery metal that ignites explosively in what?
[ "water", "acid", "cold", "air" ]
water
sciq
e6540a66-d60b-4293-bd40-d82b808c1f03
When a solid substance is involved in a chemical reaction, only the matter from which part of the solid is exposed to other reactants?
[ "the interior", "the base", "the top", "the surface" ]
the surface
sciq
0d66eae5-9450-496a-8f83-4eff5bd5dd6c
Which word describes how an extracellular solution can change the volume of a cell by affecting osmosis?
[ "trichina", "velocity", "tonicity", "instability" ]
tonicity
sciq
6409b49d-68dc-4735-ba43-aae5d246dfe5
What was the first amino acid to be isolated?
[ "glutathione", "histon", "histamine", "asparagine" ]
asparagine
sciq
62123336-4d2e-42ac-b4ab-d07f2d69383e
Where is the food stored before being mixed with the chyme?
[ "hemispherical of the stomach", "histopathology of the stomach", "top of the stomach", "fundus of the stomach" ]
fundus of the stomach
sciq
691bbfd4-563c-4d44-b762-e84db3a270b3
What kind of biome or climate might you find very close to the earth's poles, as well as up on high mountains?
[ "tundra", "taiga", "desert", "tropical" ]
tundra
sciq
672de628-285d-4352-89a8-9a0f148b34c2
What type of waves travel through the body of a planet?
[ "gas waves", "energy waves", "body waves", "vacuum waves" ]
body waves
sciq
efb63c97-e1fd-495d-b475-ad5f46bb70be
What type of energy occurs by splitting the nuclei of radioactive uranium?
[ "microwave", "kinetic", "atomic", "nuclear" ]
nuclear
sciq
d9d911de-4608-4183-8e6b-f9edb8590341
Like skeletal muscle, cardiac muscle is what?
[ "tissue", "cylindrical", "striated", "atrophied" ]
striated
sciq
ffe66496-6c09-4303-9f45-0708deccc4d6
Rising and falling levels of what will result in progression of the ovarian and menstrual cycles?
[ "red blood cells", "hormones", "oxygen", "blood pressure" ]
hormones
sciq
127043e0-87a4-44c0-830b-600f60413c00
What is the term for how much matter is packed into a given space?
[ "density", "volume", "opacity", "mass" ]
density
sciq
abbdaa9b-b117-47e7-962b-e294e807e53c
Phototrophic organisms capture light energy from the sun and convert it into what type of energy inside their cells?
[ "solar power", "radiation energy", "chemical energy", "mechanical energy" ]
chemical energy
sciq
0a01eef1-5ca7-4442-8913-fc8a880d93a4
What is an animal that picks up pollen on its body and carries it to another flower called?
[ "rodent", "fungi", "lizard", "pollinator" ]
pollinator
sciq
268ff119-20b8-48c2-b5f3-8d67fbf3c594
How many bones make up an adult human skeleton?
[ "130", "244", "206", "186" ]
206
sciq
3f68f581-d957-4c3c-a0b9-3f79618ab081
The process in which a sperm unites with an egg is called?
[ "fertilization", "infection", "migration", "absorption" ]
fertilization
sciq
567323cc-9ba7-4c6f-ad30-96c4de112995
What is the term for the height of the wave?
[ "magnitude", "frequency", "vibration", "amplitude" ]
amplitude
sciq
3609472e-adb9-42a4-bc6b-5eb4655a2381
When a plant has what deficiency, guard cells may lose turgor and close stomata?
[ "water", "cold", "air", "light" ]
water
sciq
ff2cc0b6-8b2d-408f-9a57-45d9dcd2acca
What is a combination of two or more substances in any proportions called?
[ "mix", "structure", "Combination", "mixture" ]
mixture
sciq
d245cbef-ceef-4932-b783-81c72647485c
What does subduction of a plate lead to?
[ "bending and volcanism", "pressure and volcanism", "melting and volcanism", "swell and volcanism" ]
melting and volcanism
sciq
f41f6c45-7830-4661-a64c-a87b3d03e990
The mixture of gases that surrounds the planet and makes up the atmosphere is known as ________.
[ "fuel", "energy", "air", "vaccum" ]
air
sciq
5a4f9f7c-f489-46e5-ac11-d083fdd46d7c
What system protects the soft organs of the body?
[ "nervous system", "digestive system", "Cardiovascular system", "skeletal system" ]
skeletal system
sciq
5505a2ca-3c61-4609-ba09-06ba3357c802
Before the atmosphere became oxygenated, the planet was subjected to what harmful energy source, meaning the first organisms would have flourished where they were more protected?
[ "evaporation", "radiation", "convection", "conduction" ]
radiation
sciq
46e39ef3-7a2d-408f-bca2-a0fbeeea139d
Turbulent sounds, at the onset of blood flow when the cuff pressure becomes sufficiently small are called?
[ "korotkoff sounds", "whooping sounds", "choanocyte sounds", "pinworm sounds" ]
korotkoff sounds
sciq
8da0cced-c621-484f-9775-a6a6635c0900
What is the simple sugar that living things us to store energy?
[ "nicotine", "glucose", "brown", "chloride" ]
glucose
sciq
d8160b85-97af-4bad-8a88-c83270df05f3
Reversing the orientation of a chromosomal segment is called what?
[ "spontaneous mutation", "inversions", "occurrences", "volatiles" ]
inversions
sciq
b24cf1b5-1d00-47fa-b65d-a7476faf0a53
What does the clitellum secrete, while the sperm received are stored temporarily?
[ "pathogen of mucus", "amoeba of mucus", "cocoon of mucus", "discharge of mucus" ]
cocoon of mucus
sciq
c0ce1ae4-bcc8-4f85-a3e7-bac7c51e8058
What forms when water vapor condenses around particles in the air?
[ "storms", "wind", "clouds", "humididty" ]
clouds
sciq
29f7f84f-b335-4fe8-8b5a-b39a63318065
The cycle of copper reacting is a good example of what principle?
[ "law of inertia", "conservation of energy", "conservation of mass", "conservation of momentum" ]
conservation of mass
sciq
7de3eb4c-9254-43a0-91c0-a95a67240e89
A ramp is an example of what?
[ "inclined plane", "level plane", "move plane", "change plane" ]
inclined plane
sciq
494c4846-0d91-4367-8b72-eec982cbcd97
What kind of muscle is responsible for hollow organs contracting?
[ "rough muscle", "tough muscle", "smooth muscle", "micro muscle" ]
smooth muscle
sciq
6f4fee04-e76c-4828-91f5-411d0d44ed8c
In vascular plants, do primary roots grow downward or to the side?
[ "to the side", "it depends", "downward", "neither" ]
downward
sciq
30bdbed4-a67b-4584-94dd-3a90f2e0bee3
What type of light has shorter wavelengths than visible light and has enough energy to kill bacteria?
[ "ultraviolet", "reflected light", "luminescence", "infrared" ]
ultraviolet
sciq
c13bb77c-281e-4bf2-8083-0f09ea52f4d8
What characteristic of the endothelium structure minimizes resistance to the flow of blood?
[ "transition surface", "liquid surface", "smooth surface", "uneven surface" ]
smooth surface
sciq
7cd5fd76-8395-4197-930b-9ac92ed3cb33
What type of bonds contain atoms that possess either a partial positive or a partial negative charge?
[ "ionic bonds", "geologic bonds", "hot bonds", "polar bonds" ]
polar bonds
sciq
8cce4e5d-ef82-499b-9791-76ea6731785e
The body contains how many types of muscle tissue?
[ "three", "two", "seven", "four" ]
three
sciq
3304105f-cbb2-4d96-95a2-9f2070fd52b2
The eyes of all vertebrates possess a single one of these structures?
[ "stalk", "lens", "sty", "vessel" ]
lens
sciq
b61de0f4-a1db-4e1c-b033-6dd095596b0c
The final stage of labor is delivery of the what?
[ "placenta", "embryo", "umbilical cord", "uterus" ]
placenta
sciq
707c883c-cfb5-4923-9a80-f231670a1fa2
All proteins are made of monomers called what?
[ "aminotides", "amino acids", "peptides", "monotides" ]
amino acids
sciq
306f80b1-8826-4be9-85cb-bf801a92c097
What system consists of all the muscles of the body?
[ "endocrine", "vascular", "digestive", "muscular" ]
muscular
sciq
3e1cfe57-134b-4c64-8d27-eb30a71ddb2d
Photoautotrophs and chemoautotrophs are two basic types of what?
[ "autotrophs", "consumers", "decomposers", "plants" ]
autotrophs
sciq
3c0f3dfa-8a37-4cba-b4ce-5608e14cc3f6
Many genetic disorders are caused by mutations in one or a few of?
[ "lesions", "blood cells", "organs", "genes" ]
genes
sciq
dfffb26c-bfa6-4512-b758-5799a0371f9a
In some cases, the nervous system directly stimulates endocrine glands to release hormones, which is referred to as what?
[ "brain stimuli", "active stimuli", "functional stimuli", "neural stimuli" ]
neural stimuli
sciq
67d85e4f-d21e-40b3-b607-2fddf13cc3df
What kind of reproduction results in offspring that are generally all genetically different?
[ "asexual", "perceptual", "individual", "sexual" ]
sexual
sciq
cfc57376-f317-49ee-8481-bd01665b9bca
When traveling through space what do mechanical waves lose?
[ "Force", "Mass", "energy", "Speed" ]
energy
sciq
8e159175-d170-47a3-9530-af69947b0767
How many types of major tissues do modern plants have?
[ "three", "two", "seven", "four" ]
three
sciq
21d8d7d8-c980-4b00-8ba4-fb8d91346ab1
How does a reduced sweating ability affect elderly people?
[ "less energy", "extreme tiredness", "loss of mental ability", "extreme heat intolerance" ]
extreme heat intolerance
sciq
716cc787-b902-4c00-92dc-d4bc8f58308f
What substance do developing seeds produce which promotes fruit growth?
[ "xenon", "auxin", "interferon", "pepsin" ]
auxin
sciq
b16610aa-69bc-4ed2-b53e-2c91012332f2
Different clouds are associated with different types of what?
[ "weather conditions", "biomes", "magnetic fields", "zodiac signs" ]
weather conditions
sciq
f8bea2ab-ee63-4a2f-9c95-53394d8178c0
The testes produce sperm and secrete what?
[ "estrogen", "melanin", "testosterone", "thyroxine" ]
testosterone
sciq
c6215690-1d12-42b7-b903-7c5e02f99b8e
Friction does negative work and removes some of the energy the person expends and converts it to which kind of energy?
[ "hydro", "erosion", "evaporation", "thermal" ]
thermal
sciq
4a9656dc-100e-41e1-9dbc-42f67d32e3f2
What happens when forces of evolution work over a long period of time?
[ "macroevolution", "developmental evolution", "substantial evolution", "Microevolution" ]
macroevolution
sciq
0a473868-3ed3-4ec8-a29f-df131723de35
What measurement is used to describe the amount of water vapor in the air?
[ "humidity", "heat", "precipitation", "barometric pressure" ]
humidity
sciq
c2ed6bc0-be3b-46b4-84f2-58893b22fa84
Sebaceous glands produce an oily substance called what?
[ "sebum", "synovial fluid", "pus", "ear wax" ]
sebum
sciq
902f9851-0d45-4598-b113-4b9d82d750ef
In what kind of a series does the genetic code work?
[ "four-letter codes", "universal codes", "nine letter-codes", "three-letter codes" ]
three-letter codes
sciq
477ce421-e2bc-409d-90b3-b2fcdb1f1548
Free-flowing electrons enable what materials to conduct electricity and heat very well?
[ "acids", "alloys", "noble gases", "metals" ]
metals
sciq
7987e756-92bb-489a-a5f4-68f8a523f67b
What is the difference in voltage across a resistor or other electrical devices called?
[ "voltage drop", "falling voltage", "power drop", "volt effect" ]
voltage drop
sciq
7e84d002-4cd0-4537-8f6c-2cace0e48937
What is the science that describes the ancestral and descendant connections between organisms?
[ "phylogeny", "experimentally", "organic science", "polygamy" ]
phylogeny
sciq
1d130573-34e7-4e46-8989-730b73e254f2
According to collision theory, particles that lack what kind of energy may collide, but the particles will simply bounce off one another unchanged?
[ "elastic energy", "kinetic energy", "residual energy", "viscosity energy" ]
kinetic energy
sciq
5af09d85-4511-4b82-ab1e-4720d54721fc
Muscles that move what long bone originate on the pelvic girdle?
[ "patella", "femur", "sacrum", "tibia" ]
femur
sciq
10bebf3f-063e-465e-bc05-6ae31f86b9d8
In an atom, what is determined by electron distribution in shells?
[ "electromagnetism", "ionic bonds", "covalence", "chemical behavior" ]
chemical behavior
sciq
cb641de4-283d-4152-8315-37a0d5e25449
What term is defined as a way of writing very large or small numbers that uses exponents?
[ "exponential notation", "scientific notation", "quadratic notation", "certain notation" ]
scientific notation
sciq
eae4ef37-7aa9-4cf0-8945-4e7128d59e71
Electrons are always added to which energy level first?
[ "the major", "the second", "the highest", "the lowest" ]
the lowest
sciq
08272dd9-cce8-4ec3-a26e-aadc919940a2
What type of symmetry do echinoderms show?
[ "lateral", "mirrored", "radial", "parallel" ]
radial
sciq
ca71b030-f9ce-4fb8-aff7-c6c77421c1a4
Nails cover the tips of what?
[ "fingers and toes", "fingers and lips", "ribs and nerves", "lips and teeth" ]
fingers and toes
sciq
bf35c285-b31e-4ce6-9772-77682e75788f
Which carrier molecule becomes less effective at binding oxygen as temperature increases?
[ "water", "helium", "hydrogen", "hemoglobin" ]
hemoglobin
sciq
ff3cdbbb-9824-4f9d-be3c-2113909eb2a8
What is found at the top of the stamen?
[ "pistil", "petals", "pollen", "fungi" ]
pollen
sciq
26069565-43f5-42c5-b100-c2bd967f5e78
What field of study is called the language of science?
[ "logic", "physics", "linguistics", "mathematics" ]
mathematics
sciq
e3feeb41-00a2-419f-997d-ba3ce6027947
What is the term for tough, flexible connective tissue that contains the protein collagen?
[ "muscle", "membrane", "cuticle", "cartilage" ]
cartilage
sciq
e2269db9-0385-4a4d-a02f-1ec6e16275b0
Liquid water changing to water vapor is called?
[ "evaporation", "oxidation", "transpiration", "respiration" ]
evaporation
sciq
91832583-b5ae-49f0-9eb9-b8be99e5513d
What is used to prevent some infectious diseases?
[ "vaccines", "pesticides", "radiation", "pathogens" ]
vaccines
sciq
aa8ed385-e862-4cc7-af75-5cd92a3e149d
The change in the characteristics of living things over time is known as _________
[ "evolution", "spontaneous mutation", "generation", "variation" ]
evolution
sciq
ae01bd36-6bfd-4a0d-9b48-85b6eb6d2cee
What provides building materials for the body?
[ "water", "heat", "energy", "food" ]
food
sciq
335c615a-7466-43e4-a1c0-7044a1b72b4b
What is the term for animals that eat producers to get energy?
[ "predators", "herbivores", "carnivores", "secondary consumers" ]
herbivores
sciq
39d35c2a-3a48-43ac-92e5-508925476e5a
Farsightedness, or hyperopia, is the condition in which distant objects are seen clearly, but nearby objects are?
[ "blurry", "invisible", "inverted", "darker" ]
blurry
sciq
04ca182d-b1f3-4b1c-9a44-2adb33536338
Melting ice and grinding wood into sawdust are examples of what?
[ "chemical changes", "physical changes", "reversible changes", "unpredictable changes" ]
physical changes
sciq
0d9cf30f-beac-4e83-aa2b-9ef4117adbc3
In humans and other multicellular organisms, different types of what basic structures are specialized for specific jobs?
[ "cells", "proteins", "organs", "lipids" ]
cells
sciq
9eb559ca-9707-44bf-827e-2d5136414728
How much unpolarized light does a polarized filter block?
[ "60 %", "50%", "40 %", "100%" ]
50%
sciq
87a46ba6-e3ac-46f3-9d48-926243b7fade
What is the term for cellular eating?
[ "ancylosis", "phagocytosis", "consumption", "Pinocytosis" ]
phagocytosis
sciq
f9f4c3cf-b917-4cd0-be47-a3d1a419d13f
Genes are used to make mrna by the process of transcription; mrna is used to synthesize proteins by the process of what?
[ "translation", "modification", "production", "moderation" ]
translation
sciq
4c1c4bf9-f303-474b-b7d3-0e5b5bc1a15e
What is the most important way that humans communicate?
[ "instinct", "painting", "language", "inheritance" ]
language
sciq
aa88af2a-0ab2-4b27-a6eb-d60b52093a48
Duckweed and cattails serve what role in the food chain in freshwater biomes?
[ "primary producer", "tertiary consumer", "primary consumer", "secondary consumer" ]
primary producer
sciq
3491bcd6-2b7e-4254-bcfc-5d4420021925
If humans were to artificially intervene and fertilize the egg of a bald eagle with the sperm of an african fish eagle and a chick did hatch, that offspring, called a hybrid (a cross between two species), would probably be this?
[ "mutated", "nonviable", "infertile", "fertile" ]
infertile
sciq