id
string
question
string
choices
list
answer_key
string
source
string
79befe13-677d-4625-a26c-226d91c7ccbf
A mineral can be made of an element or a?
[ "cell", "Sediment", "compound", "component" ]
compound
sciq
2ecd1202-0883-45b3-85fc-c137711a7cf0
Herbivores are heterotrophs that eat only or mainly what?
[ "fish", "animals", "decayed matter", "plants" ]
plants
sciq
af52e8bd-ffc7-49e5-96b6-c17e1a46f08e
The heart is an organ in which system?
[ "nervous system", "circulatory system", "respiratory system", "immune system" ]
circulatory system
sciq
aa77a2d2-cd4f-46f7-a420-e46139796ef6
What are the subatomic particles of the nucleus called?
[ "nucleons", "eukaryotes", "protons", "cores" ]
nucleons
sciq
768ba3de-f9ef-4321-8021-b4cb4054b6c2
Who wrote the book, on the origin of species?
[ "Sagan", "darwin", "shaw", "Scopes" ]
darwin
sciq
4d13e3cf-22c1-42c5-ae69-3b41282349a6
Tar sands are rocky materials mixed with what?
[ "shale", "coal", "magma", "very thick oil" ]
very thick oil
sciq
ddde0798-5c24-454d-a020-5e131b92e9c0
A current in a circuit needs a complete what?
[ "path", "cause", "stream", "speed" ]
path
sciq
5dd6cb6b-b765-45c7-a116-d570d93f9014
How do glucose, ions, and other larger molecules leave the blood?
[ "through intercellular clefts", "through capillary tips", "through veinous fissures", "through cell membranes" ]
through intercellular clefts
sciq
299c39f4-c481-4f2f-aea3-05d75957ebe3
The basal forebrain contains what that are important in learning and memory?
[ "ribosomes", "atoms", "oxygen", "nuclei" ]
nuclei
sciq
35ef30ae-1c40-47f9-a147-04fe15871613
What thin layer of air acts as a barrier to prevent cool air from mixing with warm air in the stratosphere?
[ "liposphere", "tropopause", "methosphere", "endosphere" ]
tropopause
sciq
d842c352-b2ab-471e-97d2-e2f9bd166712
What is the name for the male gamete?
[ "sperm", "chromatid", "egg", "ova" ]
sperm
sciq
23e4d1fb-e875-41a1-b767-da7bfddfbcbe
The strength of acids is measured on what scale?
[ "ph", "μg", "qcd", "Killalot" ]
ph
sciq
4c1006a9-8e2d-49ca-adaa-769aa2595681
What term is also known as the contact activation pathway?
[ "identical pathway", "internal pathway", "intrinsic pathway", "central pathway" ]
intrinsic pathway
sciq
c12124c2-5e29-4782-b0d4-fec8a5be68c4
What comprises the contents of a cell between the plasma membrane and the nuclear envelope?
[ "cerebellum", "cytoplasm", "cytoskeleton", "protoplasm" ]
cytoplasm
sciq
89df98e0-f776-468a-9eda-027282a42491
What is used to convert concentrations to collisions per second?
[ "collision meter", "speeds factor", "frequency factor", "particles factor" ]
frequency factor
sciq
b1e13d01-9315-400f-877e-8e78ca283782
The ovules, which are the female gametophytes, are held in what organ?
[ "ovary", "abdomen", "uterus", "testes" ]
ovary
sciq
671485ee-7bda-4086-b7f2-39eaa31bc241
Snippet 2: one of the reasons the periodic table is so useful is because its structure allows us to qualitatively determine how some properties of the elements vary versus their position on the periodic table. the variation of properties versus position on the periodic table is called what?
[ "acoustic trends", "gravity trends", "periodic trends", "chemical trends" ]
periodic trends
sciq
1442d788-7a72-4133-9422-43406af82e5d
Equilibriums are affected by changes in concentration, total pressure or volume, and this?
[ "temperature", "rate", "oxygen", "time" ]
temperature
sciq
b79ae671-a226-47d2-80c4-dc8ad7fd1da1
What type of seed-bearing structure of a flowering plant usually develop into?
[ "Apple", "Stem", "food", "fruit" ]
fruit
sciq
304b1815-5ea8-48e6-9c0f-6e7416444cad
What are ionic substances completely held together by?
[ "localized bonds", "thermal bonds", "ionic bonds", "magnetic bonds" ]
ionic bonds
sciq
2a7aa8b2-fb81-4249-a8d2-7e629abb513e
What word do get from the arabic al-qili, meaning “ashes of the saltwort plant from salt marshes”?
[ "water", "alkali", "metals", "crystals" ]
alkali
sciq
bb8975e7-a12c-4ab9-9135-211e454780da
Metals are elements that can conduct what?
[ "orchestras", "cycle", "electricity", "pollution" ]
electricity
sciq
7153d8d9-e1f7-4fe2-ac09-7d3ca6864442
The earth is like organisms in that it maintains a stable state, which is also known as what?
[ "hibernation", "ketosis", "dormancy", "homeostasis" ]
homeostasis
sciq
502d5bc5-f863-4d3b-98de-25053274fbea
The purpose of any cooling system is to transfer what type of energy in order to keep things cool?
[ "physical", "atmospheric", "radiation", "thermal" ]
thermal
sciq
6a715c14-7c7b-464b-ac5f-6c1e13e13850
What is the heart's main task?
[ "clean blood", "pump blood", "split blood cells", "make blood" ]
pump blood
sciq
26d7c504-f95b-4191-a7d6-3bf6844b7d00
Which antibacterial protein is found in tears and saliva?
[ "amino acid", "human growth hormone", "human lysozyme", "dopamine" ]
human lysozyme
sciq
05d1f081-57fa-42f8-9409-189b8277b5e1
What elements tend to conduct well?
[ "gases", "oils", "metals", "organics" ]
metals
sciq
fec16f6d-6bc7-4d79-9af0-affbc55b9a95
What type of masses are structureless particles that cannot spin?
[ "weightless masses", "turning masses", "point masses", "inertial mass" ]
point masses
sciq
77d03c44-d38c-4165-bdc9-96085c8f9f4a
What do scientists use to search other planets suitable for living?
[ "microscopes", "optics", "lasers", "telescopes" ]
telescopes
sciq
363697f5-460a-43ac-a2d9-6cd972039cc7
All species of crocodilians have similar body structures, including an elongated snout, powerful jaws, muscular tail, large protective scales, streamlined body, and eyes and nostrils that are positioned on what?
[ "back of head", "top of head", "below the neck", "side of head" ]
top of head
sciq
34156fd2-ed5a-4b72-86c1-367f47efd217
During adulthood, what is needed for the production of sperm?
[ "estrogen", "androgen", "testosterone", "steroids" ]
testosterone
sciq
12285aaa-eb25-48b3-b91d-de2a3390aaa0
What are solid lipids that animals use to store energy called?
[ "cholesterol", "hydrocortisol", "steroids", "fats" ]
fats
sciq
47d9ac9d-a266-4891-a818-1f068469d748
What in science are very important so that we can compare experimental data from one lab to another and make sure we all are talking about the same thing?
[ "Conventional measurements", "available measurements", "standard measurements", "uses measurements" ]
standard measurements
sciq
9e270f4f-8efb-455e-b087-903f224b1bb8
What substances in a car battery can be melted and recycled?
[ "lead and steel", "lead and sodium", "lead and plastic", "steel and sodium" ]
lead and plastic
sciq
394626d1-41c6-435c-a3a1-c6accb04e64e
Unlike a crystalline solid, an amorphous solid is a solid that lacks a what?
[ "color", "ordered internal structure", "atoms", "weight" ]
ordered internal structure
sciq
f52420f8-2a78-4309-9459-993e6ab18dd5
Many carbohydrates can enter glycolysis, most often after conversion to what?
[ "sucrose", "glucose", "fructose", "insulin" ]
glucose
sciq
94353adc-e413-44b6-810d-ad0b649bb33c
If a quantity of a reactant remains unconsumed after complete reaction has occurred, it is?
[ "missing", "static", "in excess", "reduced" ]
in excess
sciq
c83ff279-cd83-4eb7-ac15-5df67313edb9
Name the one metal that melts below room temperature?
[ "bronze", "mercury", "gold", "aluminum" ]
mercury
sciq
66a31db0-9de0-4bfd-ac95-810b39c6861f
The way a mineral cleaves or fractures depends on what part of the mineral?
[ "the fault structure", "the crust", "the crystal structure", "the core" ]
the crystal structure
sciq
5ea7bfe7-b728-4b99-8a7f-7ec757f9d89f
Ultimately, most life forms get their energy from this?
[ "heat", "sun", "food", "earth" ]
sun
sciq
16bc66c7-b58b-40c6-8672-90d513dfe408
What was diorite commonly used for in ancient civilizations?
[ "currency", "school", "art", "medicine" ]
art
sciq
ceb71abf-0835-4704-bde9-1e3caf561781
Aquatic biomes in the ocean are called what?
[ "arid biomes", "artificial biomes", "marine biomes", "jungle biomes" ]
marine biomes
sciq
e545cece-3c6b-46f1-91a9-99eb55a47d7a
When an ionic compound dissociates in water, water molecules surround each ion and separate it from the rest of the what?
[ "electron shell", "solid", "mixture", "gas" ]
solid
sciq
d7482c61-854f-4924-9eb2-ff6bda2f5e97
What device is used to measure temperature?
[ "anemometer", "barometer", "thermometer", "compass" ]
thermometer
sciq
03af780e-f5a4-4ad8-93d3-2ddc54c7cf91
What has the smallest, lightest atoms of all the elements and is colorless, odorless, tasteless and nontoxic, but highly flammable in its pure state?
[ "magnesium", "helium", "hydrogen", "barium" ]
hydrogen
sciq
eb4428da-8c01-4bc2-a868-e8a0f76bb858
If two populations do not mate and produce fertile offspring, what results?
[ "same species", "separate species", "large species", "small species" ]
separate species
sciq
229e582b-dd0a-4cf4-b524-e24b7dc86bf2
What system includes the brain and the spinal cord?
[ "central nervous", "digestive", "muscular", "lymbic" ]
central nervous
sciq
a82488a2-3f81-4d94-ac76-1afca25f40d2
Light is produced when charged particles do what, frequently in the form of oscillating?
[ "increase", "accelerate", "offset", "decelerate" ]
accelerate
sciq
6d2b968f-f948-440e-8f60-d26e68d6a3aa
Respiration rate correlates with what?
[ "energy use", "heat", "size", "pressure" ]
energy use
sciq
a47a94ac-7c67-4ef4-ba80-8f2714e287ea
What is the only commercial way of reproducing plants such as orchids?
[ "cross-breeding", "sexual reproduction", "cloning", "grafting" ]
cloning
sciq
0c47d399-5e51-4670-a503-0be4c1367d72
Birds adapted wings and weathers for flight during what process?
[ "evolution", "migration", "emergence", "variation" ]
evolution
sciq
4486a1f4-529c-4bcb-a1b7-ca7f98240254
Which factor ruins renewable resources like soil and water?
[ "hateful human action", "careless human action", "melancholic human action", "resentful human action" ]
careless human action
sciq
f3f8af99-b219-47dc-b620-4a0537eee57d
How does the solubility of gases in liquids change with increasing temperature?
[ "it stabilizes", "it increases", "no change", "it decreases" ]
it decreases
sciq
3b88d18d-740a-4efc-8e32-674ccd204571
What are all living things made of?
[ "cells", "muscles", "proteins", "water" ]
cells
sciq
8cf9b763-056d-4fbe-afee-7a6bbd5e89d5
Where does the nucleus store chromatin ?
[ "chloroplasts", "xerophyte", "nucleoplasm", "ribosome" ]
nucleoplasm
sciq
0e3b4979-50f1-46e0-86b7-a39e2f581f17
What do the liver, gallbladder, and pancreas contribute that aid in digestion?
[ "chemicals", "plasma", "crystals", "contaminants" ]
chemicals
sciq
6ded5c18-4930-453c-8c6c-492545cc8861
What are all tissues external to the vascular cambium called?
[ "bark", "membranes", "larvae", "nucleus" ]
bark
sciq
39bac002-01dd-4e09-858b-94fe9f19b26d
Spirals, spheres, and rods are examples of what distinguishing property of bacteria?
[ "color", "function", "organ", "shape" ]
shape
sciq
6cd4837c-9143-43ee-b5e5-f2810fca5ac0
The goal of homeostasis is the maintenance of what, around a point or value called a set point?
[ "imbalance", "agitation", "steadiness", "equilibrium" ]
equilibrium
sciq
28e71746-7d06-4dc7-8028-b8966abb1396
What type of energy of a system is the sum of the kinetic and potential energies of its atoms and molecules?
[ "internal energy u", "primary energy u", "deep energy u", "external energy u" ]
internal energy u
sciq
db1be6bb-4031-405c-bc3f-580035cd28ce
Primary batteries are single-use batteries because they cannot be what?
[ "UP ticked.", "plugged", "refreshed", "recharged" ]
recharged
sciq
ac759002-d150-4d6c-8dab-9592e667376e
Layers of fat are formed by what type of tissue?
[ "adipose tissue", "areolar tissue", "trypanosome tissue", "colchis tissue" ]
adipose tissue
sciq
4d350115-0f6d-4696-a9a3-135ccc40c6c6
Basidiomycetes do what to wood and other plant material?
[ "evaporate", "evolve", "decompose", "revive" ]
decompose
sciq
b2169119-498d-4760-8638-2af9eff57b98
Pathogens infect many animals and are agents of what?
[ "disease", "change", "mutation", "drought" ]
disease
sciq
db2bfc23-2adb-4c1e-846c-79959153e8cd
Sediments in oligotrophic lakes contain large amounts of what?
[ "algae", "fertilizer", "igneous rocks", "decomposable organic matter" ]
decomposable organic matter
sciq
d8d09589-e34f-49a0-80ea-b4acf6c9c762
What tides occur during the new moon and full moon?
[ "bottom", "autumn", "spring", "high" ]
spring
sciq
6df0df4e-5485-4f28-970f-fd731e3cf50d
In passive transport, small molecules or ions move across the cell membrane without requiring input of what?
[ "water", "heating", "energy", "pressure" ]
energy
sciq
6c786fd9-cd06-41ef-862b-806c24b0f541
Some bacteria also have tail-like structures called what?
[ "flagella", "plasmids", "nuclei", "sporangia" ]
flagella
sciq
d27db653-4ced-4acc-8466-b807ae8826a5
People with which skin type run a greater risk of vitamin d deficiency?
[ "brighter skin", "darker skin", "weaker skin", "lighter skin" ]
darker skin
sciq
1a4a0af0-9bbd-42cf-947d-cd22c198f6f4
What happens to temperature in the troposphere as the altitude increases?
[ "it increases", "it disappears", "it stays the same", "it decreases" ]
it decreases
sciq
f0254436-c084-4d67-964d-b45c5f0fc435
The kidneys help control acid-base balance by excreting _____ and generating bicarbonate that helps maintain blood plasma ph within a normal range?
[ "sodium ions", "magnesium ions", "hydrogen ions", "lithium ions" ]
hydrogen ions
sciq
6a976b5c-972d-4fad-b4a4-e97da2dda498
What does the geiger counter detect?
[ "vibration", "moisture", "radiation", "convection" ]
radiation
sciq
ecc0fbc5-c916-4faa-9c1a-b4f4e3b56cf9
Mollusks such as squid and octopi, which must hunt to survive, possess what complex organs containing millions of neurons?
[ "tentacles", "brains", "hearts", "gills" ]
brains
sciq
607c4326-dee3-4e91-a373-86e7e3dd632e
Which direction from the source do pollutants in an aquifer spread?
[ "inward", "outward", "forward", "southward" ]
outward
sciq
7e82eef9-0f35-45a0-ade4-2264c56a8c57
What type of activity in the brain causes epilepsy?
[ "abnormal electrical activity", "hormone imbalance", "toxic overload", "bleeding" ]
abnormal electrical activity
sciq
a168172c-209d-4d7a-a49d-df763e8ea44e
What does a healthy immune system fight off?
[ "microorganisms and other dieases", "infections and other dieases", "respiratory and other dieases", "bacteria and viruses" ]
infections and other dieases
sciq
e1f4b8f1-46a1-4906-86a6-1a2e11ad27a5
Groundwater dissolves minerals and rocks into what?
[ "gravel", "ions", "sand", "grit" ]
ions
sciq
f2c81380-8d40-4f8a-b329-acc5177de1c1
What is the term for a certain form of matter that has the same physical properties throughout?
[ "structure", "phase", "balance", "wave" ]
phase
sciq
e8060ff7-1c74-4456-b634-8520062f5ff1
Bacteria are responsible for many types of what in humans?
[ "smells", "food", "diseases", "colors" ]
diseases
sciq
e5094d4f-e4a8-4e19-a83d-b179f727af11
Humans and other animals can suffer from diets lacking in what essential "ingredients"?
[ "liquids", "nutrients", "steroids", "fiber" ]
nutrients
sciq
6a48d361-eb70-41f5-8bc9-b0b0a10ada5b
The size and symmetry of a beetle’s or an elk’s antlers or a grasshopper’s song communicate rather clearly their state of what?
[ "problem", "society", "health", "need" ]
health
sciq
5a3bdf86-b7ec-4b71-a10d-61c75445d39e
How is blood supplied from the mother to the fetus?
[ "brain stem", "umbilical cord", "spinal cord", "vagina" ]
umbilical cord
sciq
592963e1-d985-426b-962e-20d2916e365a
How long does membrane depoloriazation typically last for?
[ "3 seconds", "1 hour", "5 minutes", "one minute" ]
one minute
sciq
30e0346a-f7cb-4181-b9ec-f4c73060f52d
What are the three types of mixtures?
[ "absorbing , suspensions , colloids", "Powders, Gels, Smooth", "solutions, suspensions, colloids", "cosmic , suspensions , colloids" ]
solutions, suspensions, colloids
sciq
94204e09-9bd6-4eec-a44a-c856b5e5c159
Double strands of what wrap around histone proteins to form nucleosomes, which are coiled into a chromatin fiber?
[ "bacteria", "ribosomes", "dna", "chromatids" ]
dna
sciq
c40c5d6b-cb34-4fa6-a44c-1eae864c70fb
What is the process when animals maintain an internal temperature?
[ "homeostasis", "thermoregulation", "osmoregulation", "bioaccumulation" ]
thermoregulation
sciq
46057fef-2146-40f5-b957-33ac12c312e1
Both androgen secretion and spermatogenesis occur continuously starting with what?
[ "walking", "puberty", "birth", "mutation" ]
puberty
sciq
4602ec76-6172-4110-8dc2-d7490f9d4fd4
Where does the process of digestion start?
[ "mouth", "stomach", "esophagus", "small intestine" ]
mouth
sciq
09ffa9d5-b710-479a-a855-be17a5412769
As distance from the source increases, the area covered by the sound waves increases, lessening what?
[ "intensity", "velocity", "density", "duration" ]
intensity
sciq
8f89de38-3fd9-43b4-a581-945ed806ab72
Mountain ranges, plateaus, and plains are features of what large landforms?
[ "continents", "planets", "Countries", "States" ]
continents
sciq
9dbbfaae-be9a-4519-a9fb-396293fc5625
How many pathogens can each droplet contain?
[ "thousands", "hundreds", "billions", "tens" ]
thousands
sciq
3d79854c-acfd-47f4-b676-0e083b889fb4
The ability to change color, separately mobile and stereoscopic eyes, and rapidly extrudable tongues are distinguishing features of what lizards?
[ "snakes", "chameleons", "crocodiles", "geckos" ]
chameleons
sciq
0715cb88-f5a9-4f82-9b3a-dc695c0f582c
What is the other name of newton’s first law?
[ "law of momentum", "law of inertia", "mass and matter", "law of matter" ]
law of inertia
sciq
89d8bfc6-ed87-4001-bdec-5c86f32b9478
The velocity at the beginning of the time interval is called what?
[ "initial velocity", "growing velocity", "previous velocity", "internal velocity" ]
initial velocity
sciq
6c84edc6-4721-4681-a62a-eea7edcd166d
In which sphere of the atmosphere do the northern and southern lights occur?
[ "lithosphere", "ionosphere", "stratosphere", "thermosphere" ]
thermosphere
sciq
be53d12c-9233-4544-8758-ea603cdb6692
What carbohydrate from fruit juices is a gel-forming substance important in jelly making?
[ "gelatin", "pectin", "cellulose", "potassium" ]
pectin
sciq
59a93988-75e7-4091-afd0-8947fb61b2d8
Warm water from the equator mixes with cold water from where?
[ "the poles", "the continents", "the oceans", "the tropics" ]
the poles
sciq
032513b9-3423-4d32-915f-2ea13ccae050
A single amino acid substitution in hemoglobin leads to what disease?
[ "down's syndrome", "AIDS", "sickle cell anemia", "crohn's disease" ]
sickle cell anemia
sciq
47baf84f-5093-4b6a-ab99-d3aaf3d44a3e
Why does the heating element of a toaster get hot so quickly?
[ "good conductor", "good insulator", "charged battery", "magnetic force" ]
good conductor
sciq
0b1a66c4-dcc7-4947-80b2-465cf09e7f9c
What is the industrial chemical produced in greatest quantity worldwide?
[ "sulfuric acid", "boric acid", "liquid acid", "gaseous acid" ]
sulfuric acid
sciq