id
string
question
string
choices
list
answer_key
string
source
string
c0f7de2c-bf2d-45e8-bf2b-62b76353793d
Why do electronegativities decrease from top to bottom?
[ "larger electric pull", "larger atomic variation", "larger atomic size", "smaller atomic size" ]
larger atomic size
sciq
59eac659-9608-402b-a688-53819aefafa4
What are the three types of symbiosis?
[ "commensalism, osmosis, internalization", "internalization , parasitism , commensalism", "connectionism , parasitism , commensalism", "mutualism, parasitism, commensalism" ]
mutualism, parasitism, commensalism
sciq
fc820a70-4ec5-4b5c-81f1-ca89d6df8105
What term is used to describe the ability to change or move matter?
[ "mass", "energy", "inertia", "speed" ]
energy
sciq
f1566666-a9f3-4857-8455-4ca42c77d78a
What measures exactly how much gravity is pulling on something?
[ "matter", "dimension", "size", "weight" ]
weight
sciq
004e5318-b124-4a3f-a794-14237d97e8c5
Where do producers in an ecosystem generally get their energy from?
[ "predators", "consumers", "the sun", "chlorophyll" ]
the sun
sciq
7ae2a90b-93ef-434c-b583-4ed42b4b8634
Generators usually transform kinetic energy into what kind of energy?
[ "nuclear energy", "potential energy", "electrical energy", "subsequent energy" ]
electrical energy
sciq
ddc8fdaf-6040-4390-8318-c1669a2045f7
Most modern seed plants are angiosperms that produce seeds in the what of flowers?
[ "ovaries", "kidneys", "stems", "lungs" ]
ovaries
sciq
1b5f30ff-10ff-466e-956f-dd4a1287ffd1
Most enzymes are classified as what?
[ "lipids", "hormones", "proteins", "acids" ]
proteins
sciq
dee6579a-5835-4367-8ce3-e9aaa271783c
Each hemisphere of the brain contains regions called what that are involved in different functions?
[ "nodes", "chambers", "lobes", "folds" ]
lobes
sciq
b8742e23-a172-4d77-ba79-ef093eb6eb15
Emphysema is a chronic disease caused by the breakdown of the what tissue?
[ "lung", "liver", "brain", "heart" ]
lung
sciq
f165c530-59a8-407c-a73b-ffbfbef614bf
Lactose is a disaccharide consisting of the monomers glucose and what?
[ "sucrose", "glycerol", "fructose", "galactose" ]
galactose
sciq
3751604f-5f8b-4c57-ac89-570ab5ebd970
Why does photosynthesis not occur in the deep-water zone?
[ "it is dark", "it is cold", "it is pressurized", "it is stagnant" ]
it is dark
sciq
2af8f04b-9b21-4184-95b5-e5fdb134be82
What, now former, planet is small, icy, and rocky?
[ "neptune", "jupiter", "mercury", "pluto" ]
pluto
sciq
4e791e3d-4860-4ce3-bcc8-1aa59b9d24ea
What process allows plants to convert light energy into sugars and energy for food?
[ "glycolysis", "photosynthesis", "digestion", "respiration" ]
photosynthesis
sciq
12ca6c4e-e466-4173-b551-5f798aa9dcd9
What is the equation of power released?
[ "detonation x current", "amplitude x current", "uptake x current", "voltage x current" ]
voltage x current
sciq
5f3434f0-3270-4682-9896-4a02f0ed447d
Silencing genes through epigenetic mechanisms is commonly practiced on what type of uncontrolled cells?
[ "cancer cells", "neutral cells", "giving cells", "innoculous cells" ]
cancer cells
sciq
8d24bb23-d90a-4713-b172-eebeb90a6388
Along with muscles, what helps the body move with relatively little force?
[ "glands", "nerves", "joints", "limbs" ]
joints
sciq
5b97653e-08a0-4ef6-a571-2b8cb192ad68
What process do all species use to make the next generation?
[ "separation", "differentiation", "reproduction", "variation" ]
reproduction
sciq
f0a34a9e-fc8b-45cb-817c-72732423d984
According to one of einstein's theory, while light consists of particles, it behaves like this.
[ "tides", "waves", "molecules", "thermodynamics" ]
waves
sciq
4e398a99-383f-4a4b-b824-deb06d71bfcc
Soil forms where land areas are what?
[ "flat", "cool", "merging", "solid" ]
flat
sciq
5c24bf9d-da11-4827-871a-f26a47920f49
An estimated 99 percent of the species that have ever lived on earth no longer exist, showing that what event is common?
[ "accumulation", "pollution", "over fishing", "extinction" ]
extinction
sciq
b8127b56-5693-4bfa-8c4b-8608d433dca5
What type of energy is the energy of moving matter?
[ "kinetic energy", "potential energy", "residual energy", "dynamic energy" ]
kinetic energy
sciq
7db03d8b-23b0-4eab-9ba7-000819d70cc3
What does bile help to digest ?
[ "fat", "nuts", "food", "protein" ]
fat
sciq
6597887f-87eb-4a8f-a89c-e962769c5a73
A gene may have different versions called what?
[ "genomes", "alleles", "peptides", "locus" ]
alleles
sciq
4e7adb2b-7000-4460-8311-184583a2f395
Nonvascular plants lack vascular tissue and what?
[ "cells", "cytoplasm", "chlorophyll", "seeds" ]
seeds
sciq
0c34e211-44a0-4c0b-b62f-b130eafe5165
What is a mixture of metal with one or more other elements?
[ "a metalloid", "a halloid", "an alkali metal", "an alloy" ]
an alloy
sciq
341ee2c4-7bdf-4f3d-84fe-fc7edb720a22
Pheromones enable what, which is vital for organisms like ants that live in a large community?
[ "adaptation", "communication", "asexual reproduction", "migration" ]
communication
sciq
02a9c806-2673-4135-9ef1-2d6b215c4dc4
What is the part of the shadow that is partially lit called?
[ "eclipse", "pleura", "penumbra", "pentila" ]
penumbra
sciq
13f44359-087f-4725-a339-9a49d7c95bd7
When a mountain stream flows onto flatter land and comes to a stop rapidly, what do the deposits form?
[ "upstream fan", "vertical fan", "conical fan", "alluvial fan" ]
alluvial fan
sciq
7c73e277-1b35-422f-b0a2-26346fd4209b
The processes of homeostasis and temperature control are centered in the hypothalamus of the advanced animal brain, thus thermoregulation depends on what organ system?
[ "nervous system", "digestive system", "cardiovascular system", "circulatory system" ]
nervous system
sciq
931e0667-fda3-4b09-8d8f-94b8a9efe89c
Light from objects at different distances is focused by what part of the eye?
[ "iris", "lens", "pupil", "meniscus" ]
lens
sciq
63add26e-8810-41cd-a08e-fa50069f396d
Breaking a window with a baseball is an example of what kind of change in matter?
[ "sudden", "unusual", "chemical", "physical" ]
physical
sciq
8738b3fa-1d99-4397-a0cb-7702b66a04cb
Scientists will often observe and then what the reason why a phenomenon occurred?
[ "normalize", "theorize", "hypothesize", "realize" ]
hypothesize
sciq
8a480201-0269-4bd4-a375-7401de3ae2bd
Similar to the coil on a stove, changes in what reflect an increase in the temperature of a star?
[ "color", "rotation", "direction", "texture" ]
color
sciq
e29dd2c8-8b04-4307-9f41-1022ec38b9b5
Proto-oncogenes are positive cell-cycle regulators but when mutated, they can become what?
[ "cultigens and cause cancer", "bacteria and cause cancer", "microbes and cause cancer", "oncogenes and cause cancer" ]
oncogenes and cause cancer
sciq
14d9dbe4-1b4b-478f-8b2e-968f649b9d63
When the maximum amount of solute has been dissolved in a given amount of solvent, we say that the solution is what?
[ "blended", "empty", "saturated", "used" ]
saturated
sciq
4e02f35e-c42f-42e9-bd69-67ab52e95171
What is the movement of substances across the membrane without the expenditure of cellular energy called?
[ "passive transport", "active transport", "immune transport", "inner cell transport" ]
passive transport
sciq
eb5c4c60-72b9-480a-8cc0-28f99dd5b364
What energy, produced by vibrations, cannot travel through empty space?
[ "heat", "plasma", "sound", "light" ]
sound
sciq
307c3acd-8464-49e7-9e2e-1246ce33c962
According to rutherford, where is the vast majority of the mass of an atom located?
[ "the electrons", "the nucleus", "the cytoplasm", "the shell" ]
the nucleus
sciq
a80024a3-c9e8-4465-a569-c3b3e01fad3f
What is the term for organisms that make their own food?
[ "autotrophs", "plastids", "monocots", "omnivores" ]
autotrophs
sciq
3df0337d-425a-46d1-a37e-d97b7eb109b7
What happens to neutral matter when electrons are transferred between objects?
[ "osmosis", "it stays neutral", "it dissolves itself", "it becomes charged" ]
it becomes charged
sciq
69c93034-f372-4c27-9bf2-62b250edd008
Seawalls and breakwaters are built parallel to what?
[ "ocean base", "the deep", "center-point", "shore" ]
shore
sciq
504af0b6-4491-49f9-a0b6-a47511e3c280
What is the term for the loss of one or more electrons by an atom?
[ "decomposition", "evaporation", "oxidation", "half-life" ]
oxidation
sciq
1fc5283a-1d95-4f18-ae64-e86f2f51cfce
What are the lipids containing phosphorus?
[ "phospholipids", "alkaloids", "eukaryotes", "hemoglobin" ]
phospholipids
sciq
523d37d9-4d87-4c1c-8e83-a568c4a8b6bc
Ethers readily dissolve what type of molecules?
[ "lipids", "proteins", "polar", "non-polar" ]
non-polar
sciq
52631275-3043-46ad-ad91-ca4aa3c50038
What are bones made up of?
[ "muscles", "tissues", "molecules", "platelets" ]
tissues
sciq
0a217601-9335-4f87-a668-2bcc9e66bd4d
When it is winter in the northern hemisphere the southern hemisphere experiences which season?
[ "winter", "autumn", "spring", "summer" ]
summer
sciq
3e15f51f-acfb-4c33-b220-b9ec1380584c
What happens when liquid water evaporates?
[ "snow", "humidity happens", "condensation", "seawater happens" ]
humidity happens
sciq
f6926094-738f-496f-b7e4-d6f174f579df
What vision defect occurs because the eye is too long?
[ "myopia", "hyperopia", "astigmatism", "blindness" ]
myopia
sciq
4cb2a7f3-9f64-4662-af2c-7dbe20f3c3e4
What happens when a neutral atom gains or loses electrons?
[ "it gains protons", "it becomes an ion", "it loses protons", "it loses neutrons" ]
it becomes an ion
sciq
8b06eb6a-9ff2-4694-9b00-57f72e91d122
Why are goose feathers preferred for stuffing by manufacturers?
[ "smoothness", "softness", "multi layers build up", "thickness" ]
softness
sciq
f73e84fc-89e5-4077-81d7-d6986ae17bef
What is the outermost part of the sun's atmosphere called?
[ "rays", "ultraviolet", "particles", "corona" ]
corona
sciq
d33c8679-5d89-4622-a3dc-4a31e338b410
What is the series of changes in the life of an organism?
[ "insect metamorphosis", "evolution", "life cycle", "circle of life" ]
life cycle
sciq
fa5e6fe3-e761-4f29-8312-0efd60ddcc05
The outer planets are made of hydrogen and helium, so they are termed what?
[ "light giants", "gas giants", "helium giants", "hydrogen giants" ]
gas giants
sciq
da275bf5-1dc5-47e2-a80f-212931647a63
When a liquid is heated, molecules with enough kinetic energy escape the liquid and become what?
[ "vapor", "atoms", "invisible", "solid" ]
vapor
sciq
56b224d4-4dad-4c10-a073-c94463ea0eff
What property of an object is obtained by multiplying its mass and its velocity?
[ "fluid", "momentum", "component", "movement" ]
momentum
sciq
a04ae40c-32c2-4794-b9e9-8e88b6cb00c2
Solutions that are prepared in which a solute concentration exceeds its solubility are called what?
[ "instantiated", "solidified", "supersaturated", "mineralized" ]
supersaturated
sciq
cb8730e0-2ba9-475b-a116-d73d1117205a
The word fungus comes from the latin word for what?
[ "mushroom", "vegetable", "spore", "mold" ]
mushroom
sciq
5cc66720-71bf-4380-aef7-5006dbe2f6b9
The part of a plant that is responsible for reproduction is the?
[ "flower", "leaf", "stem", "root" ]
flower
sciq
317cb51e-612f-4e54-bc28-0557bcac6d49
Isotopes have the same number of protons and electrons, but a different number of what?
[ "impurities", "atoms", "reactions", "neutrons" ]
neutrons
sciq
ab1157aa-c65b-4859-9331-84bce168b545
Shivering and adipose tissue called brown fat are used by mammals in particular to produce what?
[ "nutrition", "heat", "energy", "blood" ]
heat
sciq
912593d3-4f16-4181-bb2e-ef1a356d9985
Where are the somas of sensory neurons located in the spinal cord?
[ "penetration root ganglia", "frontal head ganglia", "dorsal root ganglia", "frontal root ganglia" ]
dorsal root ganglia
sciq
6d3695f6-a8aa-4fed-8fb3-911ef2c1213b
The thick tunica media allows muscular arteries to play a leading role in what?
[ "vasodilation", "accumulation", "inhibition", "vasoconstriction" ]
vasoconstriction
sciq
4f7a1547-2d28-44ee-a2d2-de56c88b22d3
Why do crystals have relatively sharp and well-defined melting points?
[ "particular intermolecular forces", "angular intermolecular forces", "uniform intermolecular forces", "variable intermolecular forces" ]
uniform intermolecular forces
sciq
72cc0d35-1ba5-4698-908f-dcfeedbfce01
In which area does conduction mainly happen?
[ "higher atmosphere", "mesosphere", "lower atmosphere", "thermosphere" ]
lower atmosphere
sciq
c37ad0bb-06b3-4932-9809-bbd16204e74a
What is secreted by the cells surrounding spermatogonia to help sperm production?
[ "estrogen", "dihydrotestosterone", "testosterone", "follicle stimulating hormone" ]
testosterone
sciq
c90a6105-bfad-4f42-b4fd-3a39fb3511fa
Chemical reactions either require or release what?
[ "energy", "electricity", "enzymes", "light" ]
energy
sciq
b55862b1-516b-4dcd-9a4b-8ad011766691
Energy that is released when a chemical reaction takes place is known as what?
[ "consequence energy", "chemical energy", "thermal energy", "liquid energy" ]
chemical energy
sciq
59477f81-8baf-4bec-9038-c1c1fd2b0a07
What is the largest object in the solar system?
[ "the earth", "the sun", "the orbit", "jupiter" ]
the sun
sciq
d82639f0-6ef7-4454-9503-9f543de44184
In ovoviviparous fish like shark, what develops inside the mother’s body but without nourishment from the mother?
[ "eggs", "genes", "molecules", "spores" ]
eggs
sciq
246c820f-b115-46a7-9871-06371d24f9df
What is the term for a technique used to separate out homogeneous mixtures in which one or more solids are dissolved in a liquid?
[ "evaporation", "distillation", "absorption", "transpiration" ]
evaporation
sciq
0da99f65-40bb-4972-8dfd-1f834ee073dd
How do basal mammals like monotreme reproduce?
[ "budding", "live birth", "by laying eggs", "cloning" ]
by laying eggs
sciq
6121ebac-88b5-4665-8dbf-b1e64e0687be
Abundant in unpolluted ponds and streams, planarians prey on smaller animals or feed on?
[ "algae", "dead animals", "unidentified animals", "fungi" ]
dead animals
sciq
2b17295a-2c1c-47ff-a0b0-5907a2bef3d3
What does parasitic mean?
[ "mutual benefit", "welcome guest", "lives in host", "symbiotic" ]
lives in host
sciq
a92fb79a-88a9-4a13-bf76-a54c9ef397e4
What scientist constructed a tree diagram, separating living organisms into three domains?
[ "Gibbs", "carl woese", "Mendel", "CT Fletcher" ]
carl woese
sciq
b1334cd0-6aaf-4d9c-abe6-68c50b3cca53
Most of the genes in the eukaryotic cell are found where?
[ "the mitochondria", "the nucleus", "the cell wall", "the vacuoles" ]
the nucleus
sciq
279e7b44-9483-48d5-b466-7e4f028cad36
What are known as the building blocks of proteins?
[ "bases", "amino acids", "protein acids", "organism acids" ]
amino acids
sciq
7717d76b-335b-46e6-bde5-634d46dcfeea
What are the three types of muscle tissue in the body?
[ "spongy, cardiac, skeletal", "skeletal, cardiac, smooth", "topography , cardiac , smooth", "proliferating , cardiac , smooth" ]
skeletal, cardiac, smooth
sciq
37e48eeb-1a65-42c1-9b1c-0f2a45365d1f
The white mountains in new hampshire are part of what province?
[ "montreal", "geologic", "antarctic", "appalachian" ]
appalachian
sciq
cf61b060-a9e8-48ad-8949-c0f91f126032
What is the ratio of the uncertainty to the measured value, multiplied by one-hundred called?
[ "percent inconsistency", "percent uncertainty", "amount uncertainty", "variable uncertainty" ]
percent uncertainty
sciq
4e5246db-96a2-4ecd-b493-2d5644ff9492
What is produced by the sebaceous glands?
[ "progesterone", "sperm", "sebum", "pheromone" ]
sebum
sciq
686dd06a-3b45-4a7a-a29c-39e255510779
What do you call vesicle transport into the cell?
[ "passive transport", "dialysis", "endocytosis", "metastasis" ]
endocytosis
sciq
4aff8e55-d2ae-43c5-b406-dd9b84d0bd0f
What are daily changes in the level of ocean water called?
[ "floods", "tides", "waves", "currents" ]
tides
sciq
c2e75ceb-38e7-414e-8e49-f1e49e7650bb
What is the name of the narrow tube that begins at the stomach and ends at the large intestine?
[ "pancreas", "small intestine", "small stomach", "small tissues" ]
small intestine
sciq
0eeacadc-2f08-452e-b71a-23310a3c63ec
What is the term for how close a measurement is to the true value?
[ "correctness", "frequency", "accuracy", "validity" ]
accuracy
sciq
7b664e14-004e-4590-92e3-901b9addd2b7
What are the two most abundant elements in the universe?
[ "hydrogen and oxygen", "nitrogen and carbon", "oxygen and carbon", "hydrogen and helium" ]
hydrogen and helium
sciq
a119dd7d-0dd2-47c1-ad4e-1e75ca49a2fc
What is the term for a close relationship between two species in which at least one species benefits.
[ "endosymbiosis", "extosis", "symbiosis", "candiasis" ]
symbiosis
sciq
329dadf4-ce6e-4650-9b79-5c4e9831b142
Atomic emission spectra are produced when excited electrons return to what state?
[ "orbital state", "ground state", "work state", "side state" ]
ground state
sciq
9940073a-0dad-4ae9-9a34-ba721b647fb5
The lungs perform gas exchange using air and what fluid, which is coming and going from the heart?
[ "water", "saliva", "mucus", "blood" ]
blood
sciq
508b9bcc-d662-42d9-a270-25b0ae57d068
In addition to glucose, what gas is used during cellular respiration?
[ "methane", "hydrogen", "oxygen", "nitrogen" ]
oxygen
sciq
3d8ba6ce-b34c-4e0a-9105-93478fb602d4
Which germ layers are essential for animal embryos to grow and develop into a body?
[ "keratinocytes , ectoderm , mesoderm", "endoderm, ectoderm, mesoderm", "histone and melatonin", "cytoplasm and chloroplasm" ]
endoderm, ectoderm, mesoderm
sciq
11669d8e-0f38-4db4-b1df-12caa20fa852
Scrubbers and catalytic converters are examples of technologies that change what into harmless compounds?
[ "toxins", "pollutants", "mutations", "contaminants" ]
pollutants
sciq
5afe3537-7845-44c5-8b4e-8600c9767b39
What is the weighted average of the masses of all isotopes of an element called?
[ "light mass", "atomic mass", "weight mass", "cell mass" ]
atomic mass
sciq
34bd6471-b8e3-4010-ba27-0cb28303977e
The ability of a water spider to walk across a body of water is an example of what?
[ "low gravity", "surface tension", "magnetism", "high density" ]
surface tension
sciq
5cc2f174-25b3-483d-9186-bdb01ac941f3
What are compounds with the same molecular formula but different structures and properties called?
[ "isomers", "polymers", "monomers", "substrates" ]
isomers
sciq
4683618e-f9db-427a-b7ee-4c8e5ae1fb74
What happens when the blood cannot reach the heart because a blood vessel is blocked?
[ "fast heart beat", "heart attack", "heart burn", "pass out" ]
heart attack
sciq
9d957ba4-6709-46a3-98bd-e7022b539946
What kind of solid is characterized by an unorganized and unpredictable structure?
[ "amorphous", "porous", "magnetic", "aqueous" ]
amorphous
sciq
5a9a3921-9d0c-4ad2-9db0-d026f55a3369
An object with more mass has greater thermal energy than an object with less mass because it has more what?
[ "gravity", "ions", "atoms", "molecules" ]
atoms
sciq
8e0f4433-29fb-4aa1-9f84-6316fccac61d
Ether molecules have an oxygen atom and can engage in hydrogen bonding with which other molecules?
[ "water", "carbon dioxides", "proteins", "lipids" ]
water
sciq
a1b8573d-f2df-4e46-8a27-4d4feabc6a18
What basic structures of the nervous system innervate the muscles of the respiratory system and are responsible for controlling and regulating pulmonary ventilation?
[ "toxins", "neurons", "ions", "enzymes" ]
neurons
sciq