id
string
question
string
choices
list
answer_key
string
source
string
bdd4271e-db78-40bb-8976-5794d7b2f0bd
Acceleration is a vector, and thus has a both a magnitude and what else?
[ "temperature", "pressure", "wavelength", "direction" ]
direction
sciq
e5626032-08f9-49fe-876a-359f5aa5f8d2
What is it called when individual organisms work together with one another?
[ "continuation", "dualism", "cooperation", "competition" ]
cooperation
sciq
bc202669-9f84-456c-85af-fe99fd6a41a1
How thick is the earth's continental crust, on average?
[ "35 kilometers", "25 kilometers", "60 kilometers", "15 kilometers" ]
35 kilometers
sciq
95c1fe1a-ce5e-49f5-b65a-4cdfb2806832
Which organ has a thick mucus lining that protects the underlying tissue from the action of the digestive juices?
[ "spleen", "stomach", "liver", "colon" ]
stomach
sciq
31fb739f-0fb1-4601-be5d-116db71ef4dc
What historical event taught people that soil could be lost by plowing and growing crops and encouraged new methods to prevent erosion?
[ "the debris bowl", "the flow bowl", "the dust bowl", "the land bowl" ]
the dust bowl
sciq
4ebf5abd-25b6-4949-bf42-7a00ae19a3e2
In what phase is the moon brightly illuminated?
[ "blue moon", "new moon", "full moon", "crescent" ]
full moon
sciq
e30db6a0-314e-4ba0-a560-c78f59b095fc
What do vectors possess that scalars do not?
[ "magnitude and weight", "magnitude and direction", "height and polarity", "direction and texture" ]
magnitude and direction
sciq
db5cd5ea-6395-4dd4-b97d-54442fc1857c
What are the food making factories of plants?
[ "fruits", "leaves", "roots", "stems" ]
leaves
sciq
f90a4758-4e41-48f5-bb4d-05f4bb105748
What does a pollinator pick from its body and carry directly to another plant of the same species?
[ "egg", "pathogen", "spore", "pollen" ]
pollen
sciq
e0a04a51-067d-4996-9909-10abd869f810
What is the term for heterotrophs that eat only or mainly animals?
[ "predators", "parasites", "carnivores", "omnivores" ]
carnivores
sciq
8d5e0b4d-4a60-4204-be28-cac4df1e05a8
How much work is done when a force is applied in a different direction than the direction of movement?
[ "half", "none", "full", "minimum" ]
none
sciq
2a27a72e-fc82-43b9-a9f1-cc42dee4697a
The mercury or alcohol in a common glass what changes its volume as the temperature changes?
[ "calculator", "barometer", "thermometer", "compass" ]
thermometer
sciq
0acec092-4de5-44ee-adaf-26777a86c56d
What are commonly used to control insect pests, but can have harmful effects on the environment?
[ "toxins", "Herbicides", "fertilizers", "insecticides" ]
insecticides
sciq
7f336f4c-8243-49ad-baa1-dca0bbfdd9f0
The components of what keep their own identity when they combine and can usually be easily separated?
[ "alloy", "solution", "mixture", "compound" ]
mixture
sciq
b688ce48-5cb9-4f86-9c32-122f2b283061
What type of light can mosquitoes see?
[ "trichina", "neon", "infared", "spicule" ]
infared
sciq
2bcdeb1a-ed06-472a-a1cc-e3c41da1275c
What subject is a way of learning about the natural world that is based on evidence and logic?
[ "evolution", "geography", "science", "geology" ]
science
sciq
cd4eacbb-7f80-49f9-85a3-6779ba0e309a
Chloroplasts are present only in cells of eukaryotes capable of what process?
[ "photosynthesis", "digestion", "hydrolysis", "sexual reproduction" ]
photosynthesis
sciq
714391e4-f1e6-473c-9b92-6d2b966fd873
Shielding should be used when receiving x-rays to limit exposure to what potentially harmful form of energy?
[ "convection", "evaporation", "radiation", "pollution" ]
radiation
sciq
d9e0786f-9df5-457f-8439-5f16f6860e59
What is the way animals act either alone or with other animals called?
[ "animal behavior", "animal point", "animal way", "animal lifestyle" ]
animal behavior
sciq
d621ba81-5b42-45b3-ba36-1cc24e0a027e
What three primary colors of light can be distinguished by the human eye?
[ "red, green, yellow", "red, green, blue", "yellow, green, blue", "blue, red, orange" ]
red, green, blue
sciq
92eba157-abcb-4cc3-bed7-b280712f068c
Which body system releases hormones that act on target cells to regulate development, growth, energy metabolism, reproduction, and many behaviors?
[ "endocrine system", "exocrine system", "pituitary", "lymphatic" ]
endocrine system
sciq
08944012-fef8-4696-a838-6899c1e65588
What is the main difference between eukaryotic and prokaryotic cells?
[ "prokaryotic cells have a nucleus", "eukaryotic cells have a cell wall", "eukaryotic cells have a flagella", "eukaryotic cells have a nucleus" ]
eukaryotic cells have a nucleus
sciq
3dd30894-b922-4591-855d-3909555b181e
What forms when cells start to grow out of control?
[ "fat", "moles", "tumor", "inflammation" ]
tumor
sciq
86434910-c795-4d5a-ac83-3dc3f35a029b
Organs, vessels, and lymph make up what system?
[ "nervous", "lymphatic", "digestive", "circulatory" ]
lymphatic
sciq
e2693d1e-a0b5-4b26-bd2e-b799c5d38638
Like the marketplace, the metabolic economy is regulated by what basic principle?
[ "price and demand", "industrial and demand", "jobs and demand", "supply and demand" ]
supply and demand
sciq
060f7703-4024-41e1-94af-a3ed7195dbf4
As roots grow longer they will always do what?
[ "grow downward", "get larger", "get thicker", "change direction" ]
grow downward
sciq
abd6a338-7f4d-458c-b4ea-d5ba79967e62
Which virus causes cold sores?
[ "flu virus", "herpes virus", "stilts virus", "microbes virus" ]
herpes virus
sciq
9de7238f-6a4a-4b02-ab14-3d153e9a11ff
Duplicated chromosomes are composed of two sister what?
[ "chromatids", "karyotypes", "eukaryotes", "nucleotides" ]
chromatids
sciq
cacb6a49-fcb8-44fb-86c7-f6c0571103fc
What is the name of anything that has mass and takes up space?
[ "matter", "solid", "carbon", "depth" ]
matter
sciq
82306e46-c33f-4131-8ba8-aa9374d77e0f
The units of time, day and year are based on what?
[ "motions of earth", "motions of the sun", "gravitational waves", "moon phases" ]
motions of earth
sciq
1685a494-e962-474f-b1f4-9316e96b01a5
What is the term for an amount of force pushing against a given area?
[ "force", "mass", "pressure", "resistance" ]
pressure
sciq
c3744283-885c-406b-8142-dd4fed17fc5d
What is the region called where an electron is most likely to be found?
[ "the nucleus", "the ellipse", "the shell", "the orbital" ]
the orbital
sciq
ea4f0262-dfc4-4a03-9b18-f1a66a87ca66
Many glasses eventually crystallize, rendering them brittle and this?
[ "soft", "powdered", "molten", "opaque" ]
opaque
sciq
bf3a8d4d-ab4e-4b3f-bf5d-5774015c9227
What is magnetism produced by an electrical current?
[ "strong magnetism", "electromagnetism", "hydromagnetism", "exomagnetism" ]
electromagnetism
sciq
b58a97ac-137b-4fd7-8633-a3522a1db3ce
A weak and temporary dipole that influences nearby atoms through electrostatic attraction and repulsion is known as what?
[ "an instantaneous dipole", "an incomplete dipole", "an debased dipole", "a fused dipole" ]
an instantaneous dipole
sciq
9f225e2a-4f3a-4317-875b-aee5f6b6d3e9
The motion of molecules in a gas is random in magnitude and direction for individual molecules, but a gas of many molecules has a predictable distribution of what, which is called the maxwell-boltzmann distribution?
[ "molecular speeds", "molecular size", "molecular shape", "molecular rate" ]
molecular speeds
sciq
c6c57bf4-9500-44a6-a573-995b61ecc28a
What helps the cell continually renew itself?
[ "lysosomes", "vacuole", "lymphocytes", "centrosome" ]
lysosomes
sciq
8dce72af-6821-4d17-8228-99d236b222ac
One of the fundamental laws of chemistry deals with the fact that we cannot create or destroy what?
[ "matter", "stars", "protein", "time" ]
matter
sciq
8be62b27-a421-4faa-a0d3-d7d1ba6c5ad6
What are the tiny, tube-shaped structures found inside a kidney called?
[ "neurons", "jejunum", "dendrites", "nephrons" ]
nephrons
sciq
b7f615a6-f6aa-49af-9cfb-ff3af3f9623e
How many sperm does it take to fertilize an egg?
[ "ten", "five", "one", "two" ]
one
sciq
08709b59-3d1d-412c-8933-36465c72feaa
What type of climate is found mostly near the equator?
[ "cool tropical", "hot dessert", "warm subtropical", "warm tropical" ]
warm tropical
sciq
d8350828-9213-441d-b82c-19e13fd73c31
Metabolism is the collection of what that occur in an organism?
[ "growth reactions", "mechanical reactions", "chemical reactions", "mineral reactions" ]
chemical reactions
sciq
d0574f1f-0792-4870-8cae-b3c22f9f299f
What is the arrangement of a t-tubule with the membranes of sr on either side called?
[ "orchid", "triad", "aracnid", "acid" ]
triad
sciq
1e1cdfcb-a8c2-431a-b98a-bb60228240c2
What is the name of the order that salamanders belong to?
[ "aneuploid", "platyhelminth", "oronthalic", "urodela" ]
urodela
sciq
b6568527-4cf8-43b0-a5dd-5be5700b3bda
What is the tough tissue that contains collagen?
[ "muscle", "membrane", "cartilage", "fiber" ]
cartilage
sciq
c6178092-2b20-42eb-93ea-1ddf9df5ac19
What common ailment is typically caused by tense muscles in the shoulders, head and neck?
[ "pollution", "fever", "disturbances", "headache" ]
headache
sciq
7611daa4-94bd-44db-8843-77cdf30a77b8
How many watts equals a horse power?
[ "695", "904", "375", "745" ]
745
sciq
074d10ae-e994-4594-99ea-a750073e286b
Some microorganisms can digest cellulose, breaking it down into what?
[ "fructose monomers", "gluclose polymers", "glucose monomers", "fructose polymers" ]
glucose monomers
sciq
c2523a29-0866-4b9a-8326-d28fe350c507
Where does most geological activity take place?
[ "plate buildings", "plate waves", "plate medians", "plate boundaries" ]
plate boundaries
sciq
fab956eb-ca61-42d0-a82d-42a434c2dd8d
What can be used to mechanically separate the two elements by attracting the iron filings out of the mixture and leaving the sulfur behind?
[ "graduated cylinder", "centrifuge", "laser", "magnet" ]
magnet
sciq
550bd074-95ef-42e6-a789-fd4721c08467
What forms when a solute dissolves in a solvent?
[ "liquid", "solution", "chemical", "gas" ]
solution
sciq
7e7cd377-7d84-4524-bd8c-fbefa69873ab
The enteric nervous system provides intrinsic innervation, and the autonomic nervous system provides this?
[ "complex innervation", "arise innervation", "extrinsic innervation", "autonomic innervation" ]
extrinsic innervation
sciq
0437e701-e575-4e31-b98b-cef281426222
Virtually all aquatic organisms depend directly or indirectly on what for food?
[ "ground beef", "growths", "protists", "prokaryotes" ]
protists
sciq
0d8d4ec0-d1bb-48a1-aa05-bd22256158b8
Saltwater is a homogeneous mixture, another term for what?
[ "lipid", "structure", "solution", "element" ]
solution
sciq
1fb4d29c-9bdb-43ac-8a33-641e296d3185
What connects the two hemispheres of the brain?
[ "The brain stem", "corpus callosum", "holy callosum", "disruption callosum" ]
corpus callosum
sciq
b74d6837-915c-4484-b17c-06a9719f85d9
Cells like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus (meaning its dna is surrounded by a membrane), and has other membrane-bound organelles that allow for what?
[ "replicating of functions", "compartmentalization of functions", "misuse of functions", "scrobipalpa of functions" ]
compartmentalization of functions
sciq
a690ea1a-ac59-4c3a-b83f-a0f0a67163f4
Colonial organisms were probably one of the first evolutionary steps towards which type of organisms?
[ "mutated", "multicellular", "double cellular", "fetus" ]
multicellular
sciq
32aa3023-92f2-4cab-b5e7-b8918b769062
What do you call accumulation of excess water in the tissues?
[ "edema", "asthma", "diuretic", "gout" ]
edema
sciq
0d106c15-80cd-492d-ab44-30d7e6f3f165
Transport epithelia that function in maintaining water balance also often function in disposal of what?
[ "bacteria", "metabolic wastes", "absorption wastes", "organisms wastes" ]
metabolic wastes
sciq
da0940be-b0e6-4d68-83ce-1cb42ea1a2b9
What is magnetism produced by electricity called?
[ "excitation", "momentum", "electromagnetism", "electrical attraction" ]
electromagnetism
sciq
411993d2-38ed-4057-894b-5395763e16ad
What is an area that is saturated with water or covered by water for at least one season of the year?
[ "a bog", "a wetland", "a valley", "a peat" ]
a wetland
sciq
0cd2e1f7-da9b-41f3-8692-83f99481fc2f
How are bacteria identified and classified?
[ "by their shape", "by there movement", "by there cell count", "by their color" ]
by their shape
sciq
f0402675-07f8-498a-bf96-7f0414bca4ac
What do we call forces that act on the system from outside?
[ "material", "static", "internal", "external" ]
external
sciq
b739fdb5-7a2b-4834-9877-5635fc6c7447
Prostaglandins also help regulate the aggregation of platelets, one step in the formation of what?
[ "blood clots", "bloats", "cysts", "acne" ]
blood clots
sciq
4dcc07c3-a449-4b9b-9826-a0a78856313b
Deceleration is the opposite of what?
[ "acceleration", "vibration", "stimulation", "stopping" ]
acceleration
sciq
70f96d4d-0e2c-471d-a2fe-e9cc06809efd
Each cell and every living thing requires what?
[ "energy", "potassium", "salt", "calcium" ]
energy
sciq
6d02e208-fe2b-49e3-8856-a6106219490a
In the human body, what do you call the intersection where the paths for air and food cross.?
[ "pharynx", "larynx", "esophagus", "cloaca" ]
pharynx
sciq
56a5d326-7c5e-4763-9df6-a1587f16ecb1
Air conditioning systems can incubate certain bacteria and what else?
[ "Cancer", "wood", "mold", "root" ]
mold
sciq
3cea8d33-b290-443f-9f2d-1b8442292422
The toothlessness of modern birds, which serves to trim the weight of the head, is an example of what?
[ "adaptation", "variety", "genetic drift", "mutation" ]
adaptation
sciq
da1f49e8-72f5-456c-bc35-bb3da3da70c4
What are the active transport mechanisms by which molecules enter and leave the cell inside vesicles?
[ "endocytosis and oxidation", "endocytosis and exocytosis", "dielectric and exocytosis", "oxidation and exocytosis" ]
endocytosis and exocytosis
sciq
1661278e-4691-4b0e-98ca-6af935529060
Fractures, rickets, and osteoarthritis all affect what part(s) of the body?
[ "fossils", "Heart", "bones", "animals" ]
bones
sciq
cd57facd-4132-4f42-928e-17fb5ef30337
Name the closest living relatives of tetrapods?
[ "lumpfishes", "lungfishes", "spinefishes", "shrimp" ]
lungfishes
sciq
452d196e-ca67-4b9e-8697-20775d258442
What type of air may get stuck on the windward side of a mountain range?
[ "steady air", "brisk air", "live air", "maritime air" ]
maritime air
sciq
da8bd9a7-6bda-4a7a-a309-deab41be0fca
Most protists are aquatic organisms and need what kind of environment to survive?
[ "cold", "dry", "warm", "moist" ]
moist
sciq
43b6a506-f28f-4e01-b670-5c94aaa1bd50
The help with diffusion comes from special proteins in the membrane known as what?
[ "lazy proteins", "installation proteins", "navigation proteins", "transport proteins" ]
transport proteins
sciq
2f3fe4dc-a842-4a37-ae37-809a053dc63d
The extracellular matrix of most animal cells contains abundant amounts of what protein, which helps hold things together?
[ "collagen", "keratin", "elastin", "actin" ]
collagen
sciq
c1d0d0ef-0a64-462d-984b-b5c84c9872f7
What are two types of lobe finned fish?
[ "piranha and pike", "coelacanths and lungfish", "moles and lungfish", "sharks and piranha" ]
coelacanths and lungfish
sciq
7276609a-b502-4d82-b835-ea1d57ae1991
What is the rate of change of velocity called?
[ "acceleration", "speed", "transmission", "vibration" ]
acceleration
sciq
592e4aaf-05d5-4824-96ac-bd8855d4e6ac
What is the main organ required for respiration in mammals?
[ "the lungs", "the heart", "the diaphragm", "the brain" ]
the lungs
sciq
2aedd258-8946-440c-8f72-48b4dfeccdbc
Molecules are represented by symbols that all who agree on?
[ "chemists", "physics", "astrologists", "geologists" ]
chemists
sciq
0426af6a-76a5-41bb-98c4-addf562055f6
What is the smallest unit of time commonly based on?
[ "hour", "millimeter", "second", "minute" ]
second
sciq
747c0329-3616-49b0-9cd0-bd065268eee3
Atoms cannot be subdivided, created, or what?
[ "observed", "contained", "destroyed", "contaminated" ]
destroyed
sciq
2e836bf8-fdba-4e13-8354-bd3eccaa181a
What process changes a liquid to a gas without boiling?
[ "bubbling", "evaporation", "absorption", "melting" ]
evaporation
sciq
2ad42930-becd-43bc-bb50-d96e7e40ea77
Every peripheral nerve is connected directly or indirectly to what?
[ "the umbilical chord", "the spinal cord", "the optimal cord", "the functional cord" ]
the spinal cord
sciq
0d847b61-f134-4868-8fc0-d43b251e13f7
The four phases of mitosis are prophase, metaphase, anaphase and what?
[ "trichina", "telophase", "postphase", "spirogyra" ]
telophase
sciq
40b5eaa4-6463-4472-a1cc-3788ff0549a6
Pathogenic prokaryotes usually cause illness by producing what?
[ "poisons", "ions", "insects", "organisms" ]
poisons
sciq
ec376f9d-85fb-4863-831d-8889497f47d5
Once cells _______, they can no longer divide
[ "propagate", "migrate", "mature", "differentiate" ]
differentiate
sciq
917b2bbd-2b33-4b1f-a26a-02329004b406
Phase labels - and even special conditions - are sometimes included for the substances that are part of what?
[ "carbon equations", "solid equations", "chemical equations", "toxic equations" ]
chemical equations
sciq
bef514f3-00cc-4fa7-b5f8-1b22a11c9ab8
Body waves travel through the earth and arrive at seismograms before what?
[ "function waves", "surface waves", "sound waves", "velocity waves" ]
surface waves
sciq
90b4f7f8-14d9-42b0-9989-ff83f36851f9
What are the outpocketings of the digestive tract that remove nitrogenous wastes and function in osmoregulation?
[ "malpighian tubules", "integumentary tubules", "olivary tubules", "intestinal tubules" ]
malpighian tubules
sciq
e82d6d61-f9e3-4c94-9fec-2b8d87394657
What were the first photosynthetic organisms on earth?
[ "bacteria", "mosses", "fungi", "trees" ]
bacteria
sciq
dac01943-bcd7-42f4-823c-62e06fce650d
What do you call the substance in a cooling system that has a low boiling point and changes between liquid and gaseous states?
[ "coolant", "byproduct", "emission", "refrigerant" ]
refrigerant
sciq
b783bc57-0fed-45c1-a8b5-8a6a5f5c0694
Certain characteristics are frequently inherited together because of what?
[ "correlation", "mitosis", "linkage", "genetic combination" ]
linkage
sciq
d71c3b42-c053-4f6f-87ad-7a7258e2d5c3
Which organ protects the body from injury, water loss, and microorganisms?
[ "kidney", "stomach", "liver", "skin" ]
skin
sciq
ba8e6f97-39c4-45b0-98d1-060d64e10707
What is the term for the sudden movement of large blocks of rock and soil down a slope?
[ "sludge", "hurricane", "torrent", "slump" ]
slump
sciq
4cfbac57-62e5-4250-bc1c-74d78f8e9705
What is the comparison of two factors within a population?
[ "correlation", "hypothesis", "curve", "variable" ]
correlation
sciq
f2d2503b-ccba-449b-bad3-937cb28a2494
What process is the opposite of nitrogen fixation?
[ "digestion", "denitrification", "percolation", "respiration" ]
denitrification
sciq
13968932-6c2a-4d13-8626-8da30cc29856
Plant-like protists produce oxygen through which process?
[ "glycolysis", "photosynthesis", "metamorphosis", "respiration" ]
photosynthesis
sciq
b51a895c-f7fc-4946-8f7f-15c2896141d9
Insulin is produced by what part of the body?
[ "liver", "pancreas", "kidneys", "thyroid" ]
pancreas
sciq
ef92c42c-e6b1-4737-8437-b454925374ab
What color is the brittle metalloid tallurium?
[ "yellowish green", "brownish black", "silvery white", "purplish blue" ]
silvery white
sciq