id
string
question
string
choices
list
answer_key
string
source
string
baf48c9f-64b8-471a-90b6-3c7f19f8c287
What is the general name for saturated hydrocarbons?
[ "petrolatums", "halides", "enzymes", "alkanes" ]
alkanes
sciq
aa1208cf-aea0-4cf2-995d-fcff962e835e
Changing electric and mnagnetic fields radiate outward when?
[ "charged particles accelerate", "particles multiply", "particles lose their charge", "firing particles accelerate" ]
charged particles accelerate
sciq
424b878e-d127-48ad-97c1-31b74f25d541
What significant part of the cell do prokaryotic cells lack?
[ "a cell wall", "a ribosome", "mitochondrial dna", "a nucleus" ]
a nucleus
sciq
be6f9c98-6e3e-4e4c-81fb-bce22601abbe
Where do ectotherms get most of their heat?
[ "external sources", "metabolism", "food", "internally" ]
external sources
sciq
1f8775f0-a17a-4a94-a05e-acff92fe9729
What layer is above the mesosphere?
[ "ionosphere", "stratosphere", "exosphere", "thermosphere" ]
thermosphere
sciq
e6185fca-6af9-4cc5-9cea-2097769016ba
What is produced by leydig cells in the embryonic testis and stimulates the development of male sexual organs?
[ "estrogen", "androgen", "testosterone", "insulin" ]
testosterone
sciq
342305c0-1600-4b5c-9269-91e349282033
What is a continuous flow of electric charges called?
[ "magnetic current", "electric current", "circuit", "electricity" ]
electric current
sciq
e72de4e3-90e3-43e0-98fe-b5c7f76679f3
What causes high winds and monsoon storms in the desert?
[ "high summer temperature", "low winter temperature", "and-12 summer temperature", "moderate spring temperature" ]
high summer temperature
sciq
cd24f77c-ddf4-4f6f-87aa-49cb612ec061
What are the three most common protective devices?
[ "fuses , circuit breaks & surge claws", "fuses, circuit breaks & surge protectors", "fuses , fabrication breaks & surge protectors", "tranistors, resistors & diodes" ]
fuses, circuit breaks & surge protectors
sciq
58daf685-fe3a-4108-ac65-988008c0331f
Which veins return oxygen-rich blood from the lungs to the heart?
[ "pulmonary", "varicose", "respiratory", "jugular" ]
pulmonary
sciq
3913b080-ba1f-4dd3-b66b-3444ba91a801
Makemake and pluto are classified as what type of celestial object?
[ "black holes", "gas giants", "nebula", "dwarf planets" ]
dwarf planets
sciq
f8055f98-f203-448f-9114-7cdf6f57c1d5
What do you call the entire range of wavelengths of electromagnetic waves?
[ "gaseous spectrum", "molecular spectrum", "electromagnetic spectrum", "electric spectrum" ]
electromagnetic spectrum
sciq
4e218ebb-682a-4793-96af-d2ac6a33f7bb
Joules and calories are the units of what?
[ "mass and potential", "energy and heat", "weight and energy", "heat and velocity" ]
energy and heat
sciq
20d38dff-ceec-4af6-b00f-ee44addd17b2
The brain and spinal cord are part of what system?
[ "digestive system", "cardiovascular system", "central nervous system", "immune system" ]
central nervous system
sciq
92adaacc-ed10-4077-bcdd-54eeff29013e
The two parathyroid glands are located behind what gland?
[ "thymus", "thyroid", "pituitary gland", "hypothalmus" ]
thyroid
sciq
e320ef36-fbe7-4a80-a43c-1a8479e151d9
Fission is a method of what type of reproduction exhibited by some planarians?
[ "spawning", "sexual", "propagation", "asexual" ]
asexual
sciq
7e9504ad-5495-4036-b839-d9c102f5d64b
The best method for preparing pure phosphorous acid is by hydrolyzing what?
[ "dioxide trichloride", "phosphorus trichloride", "carbon trichloride", "dioxide phosphat" ]
phosphorus trichloride
sciq
96857081-30ba-47e3-a639-e1fb5f15683c
What bonds result from the overlap of atomic orbitals?
[ "covalents", "metallic", "hydrogen", "valent" ]
covalents
sciq
c875a58a-f374-42ab-8a02-bac4c65a15f2
What is a cluster of neuron cell bodies in the pns called?
[ "gangnem", "ganglion", "groupilion", "crystals" ]
ganglion
sciq
e4dd7d64-ff40-4c19-8426-e42d7f1605a8
Unlike the passive form, the sodium-potassium pump uses what type of transport?
[ "Low", "phase", "active", "High" ]
active
sciq
a53f7fe0-b65c-4f28-ae62-3e1303c8701b
On insects, what are the openings on the sides of the abdomen that allows respiration to occur?
[ "chloroplasts", "spiracles", "wings", "gills" ]
spiracles
sciq
768f3554-f25b-42c2-8c6e-63b2cbbe5a13
Salts of weak acids or bases can affect the acidity or what of their aqueous solution?
[ "atomicity", "compound", "basicity", "ductility" ]
basicity
sciq
b5f3e534-8947-4fa8-929d-5104003a2648
Flowers, double fertilization, and fruits are unique features of what life cycle?
[ "protozoa", "dinoflagellate", "angiosperm", "early lifehood" ]
angiosperm
sciq
5f480994-f81d-4db6-b838-40d8f1755b33
What is most often the cause of encephalitis?
[ "parasites", "viruses", "bacterial infections", "calcium buildup" ]
viruses
sciq
d39b2ece-a268-4749-91cb-bdfc387da9af
Why do microwaves have a higher energy than radio waves?
[ "higher frequency", "higher resonance", "higher decibel", "lower frequency" ]
higher frequency
sciq
0d20a9b0-1909-4471-a65b-35cb4e0cd088
What is cytology.
[ "the study of cell structure", "the study of cancers", "the study of plants", "the study of atomic structure" ]
the study of cell structure
sciq
3bcc106d-9153-43e5-bab7-631319b05a38
When solids change to gasses, they generally pass through what other state?
[ "frozen", "liquid", "carbon", "chemical" ]
liquid
sciq
bc9367d6-c436-453b-887a-b1e05c978b32
What is the structure which hangs from a newly hatched salmon larva?
[ "air sac", "stomach sac", "yolk sac", "liquid sac" ]
yolk sac
sciq
d52311a7-9847-439e-9f86-2b75d4655aab
What is made up of the pinna, ear canal, and eardrum?
[ "the epidermis", "the outer ear", "the nervous system", "the inner ear" ]
the outer ear
sciq
bb7fded2-253b-400a-b8bd-a2c0c106c4d0
What type of solvents is glucose insoluble in?
[ "alkaline", "nonpolar", "acidic", "polar" ]
nonpolar
sciq
e6b110eb-5423-42a7-93bb-1253e5602908
What organ is divided into the duodenum, the jejunum, and the ileum?
[ "kidney", "large intestine", "small intestine", "lung" ]
small intestine
sciq
53c8696b-0866-4392-a8a1-f610a1e549b1
Ectotherms undergo a variety of changes at the cellular level to acclimatize to shifts in what?
[ "temperature", "air pressure", "precipitation", "oxygen" ]
temperature
sciq
e7dfd761-c960-4bf5-bf20-5527d54c6ae1
A comet striking the earth may have caused mass extinction, this would have decreased sunlight, which would have effected what plant process reducing food?
[ "fertilization", "glycolysis", "photosynthesis", "decomposition" ]
photosynthesis
sciq
02082f11-082e-46e5-88e0-b32f319334a5
Normal body temperature is ideal for most of what type of reactions?
[ "theoretical", "plasma", "gas", "biochemical" ]
biochemical
sciq
970e829a-db34-4304-8394-948a650af612
What separates and strongly unites bodies of adjacent vertebrae?
[ "collagen fibers", "intervertebral disc", "synovial fluid", "interstitial fluid" ]
intervertebral disc
sciq
554b0370-695e-4211-9cf5-daa99bc30878
About 20 percent of carbon dioxide is bound by hemoglobin and is transported where?
[ "brain tissues", "lungs", "bones", "intestines" ]
lungs
sciq
8894f1be-17f8-41c9-a805-ffe036d1bff8
Which outermost secondary xylem layers transport water?
[ "the farthest", "the youngest", "the oldest", "the narrowest" ]
the youngest
sciq
aa4034ba-8457-45e2-9baf-60476b89f9f6
What did volcanic gases help to form on earth?
[ "atmosphere", "rocks", "water", "plants" ]
atmosphere
sciq
8aac3bb9-b7f1-457f-afd2-e7ec507bf8e1
What is formed when the ceiling of an underground cave collapses?
[ "hill", "mountain", "sinkhole", "groundwater" ]
sinkhole
sciq
bf16200e-18b2-492b-a7b4-c40037f1625c
What type of muscle makes up most of the heart?
[ "chest muscles", "respiratory muscle", "cardiac muscle", "heart muscle" ]
cardiac muscle
sciq
50413e73-6360-43ac-9ac0-529270928cc2
What measures the amount of water in the air?
[ "humidity", "fire index", "cloud cover", "temperature" ]
humidity
sciq
6e667baa-794b-4640-8af1-b83510a4fffd
Most terrestrial vertebrates have what type of lungs?
[ "extra", "internal", "external", "mechanical" ]
internal
sciq
96c36f03-a712-465a-8e43-f07c641bb779
What process joins two haploid gametes into a diploid zygote?
[ "fertilization", "embryo", "fusion", "migration" ]
fertilization
sciq
0e573015-cca4-48d7-a9b9-1f9486976d87
Planets are held by the force of gravity in elliptical orbits around what?
[ "mars", "sun", "earth", "jupitor" ]
sun
sciq
2fc44849-1deb-4135-8248-a4320f0e1faa
What is the fastest land animal?
[ "rhino", "greyhound", "ostrich", "cheetah" ]
cheetah
sciq
881a54e7-8cbf-4175-86f7-0c7a2c35a346
What is the process by which the remains of living things become fossils?
[ "fossilization", "decomposition", "sublimation", "petrification" ]
fossilization
sciq
90fca8ac-2da5-4a4a-a33a-b02930100d37
Meters, such as those in analog fuel gauges on a car, are a common application of magnetic torque on a current-carrying what?
[ "loop", "dial", "circuit", "arc" ]
loop
sciq
7a7cb337-a4da-4ee4-9ed0-f2bec9235579
What causes reduction of elasticity in all organs?
[ "weight gain", "low vitamin D", "age", "radiation" ]
age
sciq
c7ddfa4d-bc12-4c12-b369-674b5270271f
How many protons and electrons each do carbon atoms have?
[ "two", "five", "nine", "six" ]
six
sciq
1d03ec19-251e-4d08-9eee-835633888859
What thickens the cortex around the inner edge of a cell?
[ "vacuoles", "microfilaments", "mitochondria", "plasma membrane" ]
microfilaments
sciq
7d541013-7e75-4fa7-aa15-2f8760aa949a
What value of dissolved substances is higher than that of their corresponding precipitate?
[ "binary", "entropy", "ordiny", "negentropy" ]
entropy
sciq
3ee6f8e1-7ea4-4288-babf-584acac769da
Is an acid lower or higher than 7 on the ph scale?
[ "higher than 7", "twice as much as 7", "exactly 7", "lower than 7" ]
lower than 7
sciq
0b73e328-720c-459f-b75f-0f98f4beb263
Although what biochemicals circulate throughout the body and come into contact with many different cell types, they only affect cells that possess the necessary receptors?
[ "Cells", "organs", "hormones", "enzymes" ]
hormones
sciq
794a962b-2684-47bd-bb3f-2bceb942b672
The right atrium receives all of the systemic venous return. most of the blood flows into either the superior vena cava or this?
[ "identical vena cava", "inferior vena cava", "resulted vena cava", "exterior vena cava" ]
inferior vena cava
sciq
177757be-6d1a-497c-b2cb-36b0c263646c
Tissue is made up of layers of tightly packed cells that line the surfaces of the body, such as skin.
[ "resultant tissue", "weak tissue", "epithelial tissue", "neural tissue" ]
epithelial tissue
sciq
5e3ed1cf-735c-4c4f-adb4-0405367ffd6d
Most lipid hormones are derived from what?
[ "tissue", "cholesterol", "protein", "fat" ]
cholesterol
sciq
c2c3dc30-ed34-4a98-a98c-7e555416981a
A fact or question is only considered science if it has what property?
[ "it is mineral", "it is interesting", "it is testable", "it is believable" ]
it is testable
sciq
85542f5f-29c7-402c-8d3f-ae7e49641b50
Which branch of science is the study of energy, matter, and their interactions?
[ "geology", "physics", "meteorology", "biology" ]
physics
sciq
b831333d-5ac8-4fea-a4f6-2dde655a64f2
What is the smallest unit capable of life known as?
[ "insect", "a cell", "living thing", "organism" ]
a cell
sciq
68513def-ec31-4be0-a076-9aafb47fbdbf
Making associations between experiences is often a part of what activity?
[ "sleeping", "eating", "dying", "learning" ]
learning
sciq
10535f49-8ec4-4a40-921d-d67cf7c23115
The spectrum is made up of discrete lines representing transitions of the hydrogen electron between specific energy levels within what?
[ "the atom", "an element", "a rainbow", "the molecule" ]
the atom
sciq
a98c5b72-9b6e-4db4-a635-6cc67a56b176
In the field of biodiversity, "richness" and "abundance" are used to describe different what?
[ "nutrients", "densities", "species", "water sources" ]
species
sciq
eca82bae-79f5-4ea0-afb1-b58b812c1cc8
Nitrogen is an important macronutrient because it is part of nucleic acids and proteins. atmospheric nitrogen, which is the diatomic molecule n2, or dinitrogen, is the largest pool of nitrogen in these?
[ "desert biomes", "terrestrial ecosystems", "gas planets", "aquatic ecosytems" ]
terrestrial ecosystems
sciq
23e4ced2-70c2-4cd0-8b7d-a515d12d4cf2
What is the term for rotation of a bone toward the midline of the body?
[ "lateral rotation", "visual rotation", "medial rotation", "interior rotation" ]
medial rotation
sciq
7035c125-a055-42f1-843e-7f95fdc99c7d
What cause rabies, measles, diarrheal diseases, hepatitis, polio, and cold sores?
[ "bacteria", "parasites", "viruses", "contaminants" ]
viruses
sciq
4d152f15-cb33-48c4-9155-3bcffbb7dbe0
What are the two methods in which mutations arise in dna?
[ "induced or spontaneous", "produced or spontaneous", "accelerated or random", "accelerated or spontaneous" ]
induced or spontaneous
sciq
4563794f-2fe5-498e-98b3-843443f95665
Water follows where sodium ions lead, due to what process?
[ "hydration", "osmosis", "electrolysis", "absorption" ]
osmosis
sciq
fdf0dd56-96d7-476f-80ec-79bf1eedbd36
What group of simple organisms recycles nutrients and has been on earth since long before multicellular life appeared?
[ "bacteria", "eukaryotes", "protists", "prokaryotes" ]
prokaryotes
sciq
5c5578df-0c61-4526-b9f7-600cc554ea91
What is the term for dry climate regions at higher altitudes that have short grasses and low bushes?
[ "fringes", "deserts", "prairie", "steppes" ]
steppes
sciq
54929ff1-c6db-40c6-b196-b0a505d16dce
Changing the frequency of sound waves, will change the _________ of the sound of a musical instrument?
[ "distance", "velocity", "direction", "pitch" ]
pitch
sciq
d7d7cf16-8173-4a1b-9404-84d3da52dfe9
What does the term porifera means?
[ "pore-clogging", "poreless", "pore-bearing", "pore - signifying" ]
pore-bearing
sciq
50dd06b7-f77e-4489-8a42-2d6224bd7e40
What zone is the narrow strip along the coastline that is covered by water at high tide and exposed to air at low tide?
[ "intertidal zone", "disturbance zone", "aquifer zone", "astrolabe zone" ]
intertidal zone
sciq
504c022a-72f3-4ce2-986a-653338bf86f5
Integral and peripheral proteins are associated with what fatty bilayer?
[ "lipid", "cartilage", "protein", "carbohydrate" ]
lipid
sciq
704ed9b3-2809-450b-91b6-1be286892061
What effect describes how earth’s rotation steers winds and surface ocean currents?
[ "centripetal force", "coriolis", "dorsalis", "Big Bang theory" ]
coriolis
sciq
ee774973-7352-4544-8cab-1e087d684b68
What type of shape does sodium chloride have?
[ "cubic", "round", "trianguler", "oblong" ]
cubic
sciq
46038f16-0193-4772-9d18-eec973e4c1ed
In what form of matter is hydrogen at room temperature?
[ "liquid", "gas", "solid", "dissolved" ]
gas
sciq
ae9a714c-fbf0-4113-85e9-87fab0965c87
What is the smallest contractile portion of a muscle?
[ "cell", "capillary", "sarcomere", "filaments" ]
sarcomere
sciq
6df5c693-307f-4f59-a2e8-7a65a2d2cf29
What type of sti is characterized by blisters?
[ "gonorrhea", "genital herpes", "chlamydia", "syphilis" ]
genital herpes
sciq
db0593f0-80ff-43da-8322-3e9e60bc97cb
Radioactive isotopes are characterized by an unstable what?
[ "electrons", "shell", "nuclei", "proton" ]
nuclei
sciq
1e984bb9-23ad-4bb7-870b-532db2f1e76d
What exposure risk comes with aerobic respiration?
[ "oxygen toxicity", "carbon toxicity", "helium toxicity", "nitrogen toxicity" ]
oxygen toxicity
sciq
3b9d2bfc-7219-4887-b8b1-21a34ad77c23
What are mammals called that reproduce by laying eggs?
[ "monotremes", "marsupials", "amphibians", "Fish" ]
monotremes
sciq
b4a57a6e-e29a-4089-81ab-71b63e3fa4bd
In multicellular organisms, only mutations in cell lines that produce gametes can be passed to what?
[ "cells", "offspring", "proteins", "clones" ]
offspring
sciq
60d8ac61-a729-4077-8a4a-f8e73cf5cd5c
What type of invertebrates are jellyfish and corals known as?
[ "cnidarians", "cephalopods", "nautilus", "sponges" ]
cnidarians
sciq
b56b36c4-5d71-4463-8529-c7ae76cc57dc
Living things are highly organized following a hierarchy that includes atoms, molecules, organelles, cells, tissues, organs, and organ systems. organisms, in turn, are grouped as populations, communities, ecosystems, and this?
[ "bionicsphere", "hydrosphere", "biosphere", "endosphere" ]
biosphere
sciq
f91da628-4244-45a8-970d-4b2753784988
Respiration cycles the organic carbon into which gas?
[ "carbon dioxide", "liquid dioxide", "phosphorus dioxide", "oxygen" ]
carbon dioxide
sciq
b69fe383-79d1-442e-b63e-0c8b4f4c3530
What type of bonds between the bases at the center of the dna double helix hold the helix together?
[ "hydrogen bonds", "helium bonds", "ionic bonds", "electron bonds" ]
hydrogen bonds
sciq
340bb272-eace-4f64-a079-4cb4e339377f
What are changes in makeup and chemical properties of matter called?
[ "chemical changes", "carbonate changes", "radical changes", "mineral changes" ]
chemical changes
sciq
2dd1102e-10b1-4ae4-8ba3-2406bc9a82ba
Mammals generate heat primarily by maintaining a high rate of what?
[ "movement", "metabolism", "reproduction", "respiration" ]
metabolism
sciq
9c681081-717b-434c-85be-70c32dc5bba3
The fossil record indicates that anthropoids began diverging from other primates about how many million years ago?
[ "60", "50", "40", "70" ]
50
sciq
65ab36f4-9348-41c2-b0cd-611b7fd42d3b
What is the oxygen carrying component of red blood cells called?
[ "mitochondria", "molecule", "platlet", "hemoglobin" ]
hemoglobin
sciq
b426a7d0-8b98-4230-af12-f8fec8426b12
What is a disease in which the immune system makes an inflammatory response to a harmless antigen?
[ "an allergy", "bronchitis", "heartburn", "cancer" ]
an allergy
sciq
d1db965a-86d6-4755-8ac4-b05d9600c9cb
The umbilical cord connects the fetus to what structure?
[ "cell", "placenta", "Ovaries", "uterus" ]
placenta
sciq
0ccf49dc-126e-4bc7-9cd6-e5c435295990
The vector of what organism is significant on a map showing the location of malaria?
[ "fungi", "virus", "mosquito", "worm" ]
mosquito
sciq
1ce3fac6-f496-45ef-ad82-4a009bbfefef
What is the smallest particle of an element that still has the properties of that element is called?
[ "nucleus", "neutron", "atom", "proton" ]
atom
sciq
bdbb866c-421d-46ec-8020-c20971d2df24
What is already causing food and water shortages and species extinctions?
[ "immigration", "global warming", "urbanization", "zero population growth" ]
global warming
sciq
c4671c7b-a7e7-402c-9f6f-b6f5ef3698e9
What is the foundation species of coral reef ecosystems?
[ "crystals", "molluscs", "coral", "anemones" ]
coral
sciq
6e726401-1eba-4212-aab6-ecd5a4d3681d
When the ph of precipitation is lowered because of air pollution, what results?
[ "abnormal rain", "climate change", "sleet", "acid rain" ]
acid rain
sciq
e70b26b7-e3f0-4662-9aa4-1a6d18f86baf
What type of barrier physically blocks pathogens from entering the body?
[ "molecular", "potential", "Solid", "mechanical" ]
mechanical
sciq
33e8742c-930f-4bdc-8aa6-2a0e14105f03
In what do a roundworm's eggs pass from host to the environment?
[ "arms", "feces", "skin", "mouth" ]
feces
sciq
9358b472-74d1-421d-af6c-41ccde98380c
What is the name of the command center of the cell?
[ "nucleus", "vacuole", "mitochondria", "molecules" ]
nucleus
sciq