id
stringlengths
6
15
question_type
stringclasses
1 value
question
stringlengths
15
683
choices
listlengths
4
4
answer
stringclasses
5 values
explanation
stringclasses
481 values
sciq-7010
multiple_choice
What is an interesting example of a molecule with two central atoms, which are both c atoms?
[ "chloride", "water", "acetylene", "sulfur" ]
C
sciq-10539
multiple_choice
What is the state of matter that resembles a gas, but is made of ions, giving it different properties than a typical gas?
[ "acid", "gamma", "plasma", "vapor" ]
C
sciq-4532
multiple_choice
Which particle of an atom has a positive electric charge?
[ "proton", "electron", "nutron", "nucleus" ]
A
sciq-2181
multiple_choice
What is the name of the wind belt nearest the equator?
[ "tropical gusts", "cyclones", "doldrums", "trade winds" ]
D
sciq-2059
multiple_choice
Pyramids of net production and biomass reflect what level of efficiency?
[ "high", "medium", "low", "extreme" ]
C
sciq-7579
multiple_choice
Some compounds containing hydrogen are members of an important class of substances known as what?
[ "acids", "bases", "proteins", "ions" ]
A
sciq-6016
multiple_choice
The distance between two consecutive z discs or z lines is called what?
[ "contractile", "ligule", "radius", "sarcomere" ]
D
sciq-1420
multiple_choice
What move the body by contracting against the skeleton?
[ "muscles", "nerves", "hormones", "tissues" ]
A
ai2_arc-301
multiple_choice
A ball is dropped from different heights. When the ball is dropped from the highest height, it makes the greatest noise or vibration when it lands on the ground. What is the best explanation for the ball making the greatest noise?
[ "The air pushes down more and the ball goes faster.", "Gravity pulls for a longer time and the ball goes faster.", "The ball is gaining weight and going faster.", "The ball is warming up and going faster." ]
B
sciq-2839
multiple_choice
A lymphocyte is the type of which cell involved in an immune system response?
[ "white brain cell", "red blood cell", "white blood cell", "white immunity cell" ]
C
sciq-8415
multiple_choice
Hydrocarbons in which all carbons are connected by single bonds are called?
[ "acids", "enzymes", "lipids", "alkanes" ]
D
scienceQA-5735
multiple_choice
What do these two changes have in common? stapling an envelope shut erosion caused by wind
[ "Both are chemical changes.", "Both are only physical changes.", "Both are caused by heating.", "Both are caused by cooling." ]
B
Step 1: Think about each change. Stapling an envelope shut is a physical change. The envelope and the staple get new shapes. Both are still made of the same type of matter. Erosion caused by wind is a physical change. The wind carries away tiny pieces of rock. But the pieces of rock do not become a different type of matter. Step 2: Look at each answer choice. Both are only physical changes. Both changes are physical changes. No new matter is created. Both are chemical changes. Both changes are physical changes. They are not chemical changes. Both are caused by heating. Neither change is caused by heating. Both are caused by cooling. Neither change is caused by cooling.
sciq-1205
multiple_choice
Worms grow to adult size without going through what stage?
[ "egg", "development", "larval", "growth" ]
C
sciq-2554
multiple_choice
What is the minimum depth in the aphotic zone?
[ "200 meters", "10 meters", "450 meters", "150 meters" ]
A
ai2_arc-975
multiple_choice
When a baby shakes a rattle, it makes a noise. Which form of energy was changed to sound energy?
[ "electrical", "light", "mechanical", "heat" ]
C
sciq-7520
multiple_choice
What type of energy can be used to change the position or shape of an object, thus giving it potential energy?
[ "static energy", "kinetic energy", "harmonic energy", "binary energy" ]
B
ai2_arc-960
multiple_choice
Some businesses offer customers the option to pay for merchandise using their fingerprints as identification. Which of the following would most benefit customers that use this new technology?
[ "cost of product is reduced", "protection of private information", "ability to track customer preferences", "funds would be credited immediately" ]
B
ai2_arc-154
multiple_choice
Plant and animal life cycles are alike because they both
[ "begin as eggs.", "require the same amount of time.", "have beginning, growing, and mature stages.", "resemble their parents from the beginning stages." ]
C
sciq-9725
multiple_choice
How can nuclear fusion in stars be simulated?
[ "nuclear reactors", "plutonium accelerators", "nitrogen accelerators", "particle accelerators" ]
D
sciq-9883
multiple_choice
What organ system is different in men and women?
[ "reproductive organs", "respratory organs", "lymphatic organs", "nervous organs" ]
A
ai2_arc-567
multiple_choice
Which measurement describes the motion of a rubber ball?
[ "5 cm", "10 m/s", "15 newtons", "50 grams" ]
B
sciq-2322
multiple_choice
The atmosphere consists of oxygen, nitrogen, carbon dioxide, which exerts a certain pressure referred to as what?
[ "tidal pressure", "gravity pressure", "atmospheric pressure", "nitrogen pressure" ]
C
sciq-5376
multiple_choice
Animals that do not have internal control of their body temperature are called what?
[ "cold-blooded", "ectotherms", "photophores", "athermal" ]
B
sciq-7608
multiple_choice
Oceans are made of a solution of what?
[ "salt and water", "salt and carbon", "water and carbon", "salt and algae" ]
A
sciq-10452
multiple_choice
Where does the majority of chemical digestion occur?
[ "small intestine", "large intestine", "mouth", "stomach" ]
A
sciq-11418
multiple_choice
What do you call the point at which the entire weight of a body may be considered to be concentrated?
[ "complex of gravity", "center of gravity", "center of earth", "direction of gravity" ]
B
sciq-5913
multiple_choice
Fish are a diverse and interesting group of organisms in what sub-phylum?
[ "invertebrates", "organelles", "mammals", "vertebrates" ]
D
sciq-9613
multiple_choice
What is the sum of all biochemical reactions in cells called?
[ "metabolism", "respiration", "diffusion", "evolution" ]
A
sciq-7658
multiple_choice
What are the two types of vascular tissue?
[ "xylem and phloem", "cytoplasm and ectoplasm", "phloem and phlegm", "ectoderm and phloem" ]
A
sciq-3523
multiple_choice
What do you call a group of organisms of the same species that live in the same area?
[ "system", "ecosystem", "population", "biosphere" ]
C
sciq-7927
multiple_choice
What do you call the movement of a substance from an area of a higher amount toward an area of lower amount?
[ "precipitation", "extraction", "diffusion", "filtration" ]
C
sciq-6648
multiple_choice
What has a bigger impact on water quality, natural events or human activity?
[ "natural events", "human activity", "all of the above", "water quality" ]
B
sciq-7270
multiple_choice
What are the extremely small particles that comprise all matter?
[ "electrons", "atoms", "protons", "ions" ]
B
sciq-3280
multiple_choice
A lipid is one of a highly diverse group of compounds made up mostly of what?
[ "amines", "proteins", "nucleic acid", "hydrocarbons" ]
D
ai2_arc-50
multiple_choice
Scientists who disagree with the results of an experiment should
[ "change the experiment.", "keep their opinions to themselves.", "find out what other scientists think about the results.", "repeat the experiment several times and compare results." ]
D
sciq-8412
multiple_choice
What do all respiratory diseases affect?
[ "transit exchange process", "helium exchange process", "liquid exchange process", "gas exchange process" ]
D
sciq-6548
multiple_choice
Humans need lipids for many vital functions such as storing energy and forming what?
[ "enzymes", "zygotes", "ionic bonds", "cell membranes" ]
D
sciq-7861
multiple_choice
What term refers to an animal that sleeps during the day and is active at night?
[ "nocturnal", "crepuscular", "diurnal", "solitary" ]
A
sciq-11667
multiple_choice
The interaction of what opposite factors describe a biome and ecosystem?
[ "abiotic and biotic", "hygroscopic and abiotic", "innate and biotic", "metastasis and biotic" ]
A
sciq-5970
multiple_choice
What flows like taffy or hot wax?
[ "water", "sand dunes", "gas", "molten rock" ]
D
ai2_arc-268
multiple_choice
A carpenter covered a piece of wood with a thin sheet of paper. He struck the covered piece of wood with a hammer. The impact left a small hole in the paper that smelled of smoke. Which kind of energy transfer did this event most likely demonstrate?
[ "chemical to thermal", "mechanical to thermal", "mechanical to chemical", "chemical to mechanical" ]
B
ai2_arc-669
multiple_choice
Solar cells absorb energy from the sun. In order to use this energy to power household appliances, solar cells must convert the absorbed energy to
[ "heat.", "light.", "radiation.", "electricity." ]
D
sciq-11377
multiple_choice
The process of moving from areas of high amounts to areas of low amounts is called what?
[ "deposition", "transfer", "filtration", "diffusion" ]
D
sciq-7722
multiple_choice
What "kind" of water may take longer to become contaminated than surface water, while the natural cleaning process may take longer?
[ "dam water", "spring water", "lake water", "groundwater" ]
D
sciq-9624
multiple_choice
The chloroplast integrates the two stages of what process?
[ "breathing", "polarization", "defacation", "photosynthesis" ]
D
sciq-6307
multiple_choice
The larger surface area of leaves allows them to capture more what?
[ "chlorophyll", "sunlight", "molecules", "pollen" ]
B
sciq-7498
multiple_choice
What causes the red color of laterite soils?
[ "iron oxides", "toxins", "oxygen", "erosion" ]
A
sciq-4302
multiple_choice
Animal-like protists are called what?
[ "genus", "larvae", "bacteria", "protozoa" ]
D
scienceQA-5524
multiple_choice
Select the animal.
[ "Octopuses eat animals that live underwater.", "Apple trees can grow fruit.", "Cypress trees have green leaves.", "Hydrangea bushes can grow colorful flowers." ]
A
An octopus is an animal. It eats animals that live underwater. An octopus has two eyes and eight arms. An apple tree is a plant. It can grow fruit. People have been growing apples for thousands of years. There are more than 7,500 types of apples! A cypress tree is a plant. It has green leaves. The leaves of cypress trees are called needles. A hydrangea bush is a plant. It can grow colorful flowers. Hydrangea bushes can have blue, white, purple, or pink flowers.
sciq-7101
multiple_choice
Zinc is what kind of metal.?
[ "passive stagnant metal", "active move metal", "active transition metal", "active flow metal" ]
C
sciq-11472
multiple_choice
What is the radula made mostly of?
[ "chlorophyll", "chitin", "casein", "schist" ]
B
ai2_arc-436
multiple_choice
Which invention would a culture living above the Arctic Circle most likely develop?
[ "ice production", "air conditioning", "insulated clothing", "irrigation canals" ]
C
sciq-11483
multiple_choice
Lactic acid fermentation is common in muscle cells that have run out of what?
[ "nitrogen", "oxygen", "helium", "carbon" ]
B
sciq-6427
multiple_choice
Liquids that mix with water in all proportions are usually polar substances or substances that form these?
[ "hydrogen bonds", "atmospheric bonds", "silicon bonds", "compressed bonds" ]
A
scienceQA-4027
multiple_choice
What do these two changes have in common? rust forming on a metal gate plants making food from sunlight, air, and water
[ "Both are caused by cooling.", "Both are caused by heating.", "Both are chemical changes.", "Both are only physical changes." ]
C
Step 1: Think about each change. Rust forming on a metal gate is a chemical change. As the gate rusts, the metal turns into a different type of matter called rust. Rust is reddish-brown and falls apart easily. Plants making food is a chemical change. Plants use energy from sunlight to change air and water into food. The food is sugar. Sugar is a different type of matter than air or water. Step 2: Look at each answer choice. Both are only physical changes. Both changes are chemical changes. They are not physical changes. Both are chemical changes. Both changes are chemical changes. The type of matter before and after each change is different. Both are caused by heating. Neither change is caused by heating. Both are caused by cooling. Neither change is caused by cooling.
sciq-523
multiple_choice
What is the greatest contribution of arthropods to human food supply?
[ "reproduction", "pollination", "hibernation", "vegetation" ]
B
sciq-7188
multiple_choice
What measurement of the wave is used to determine the magnitude of an earthquake?
[ "diameter", "width", "height", "length" ]
C
sciq-3876
multiple_choice
Survivorship curves show the distribution of individuals in a population according to what metric?
[ "height", "birth rate", "weight", "age" ]
D
sciq-404
multiple_choice
What is composed of two strands of nucleotides in a double-helical structure?
[ "molecule", "bacteria", "RNA", "dna" ]
D
sciq-5042
multiple_choice
Stones, infections, and diabetes threaten the health and functioning of what paired organs?
[ "arteries", "tissues", "lungs", "kidneys" ]
D
sciq-8292
multiple_choice
In passive transport, small molecules or ions move across the cell membrane without requiring input of what?
[ "energy", "pressure", "water", "heating" ]
A
scienceQA-2469
multiple_choice
What do these two changes have in common? peeling a banana tying a shoelace
[ "Both are only physical changes.", "Both are caused by cooling.", "Both are caused by heating.", "Both are chemical changes." ]
A
Step 1: Think about each change. Peeling a banana is a physical change. The peel is not covering the rest of the fruit anymore. But both the peel and the banana are still made of the same type of matter as before. Tying a shoelace is a physical change. The shoelace gets a different shape. But it is still made of the same type of matter. Step 2: Look at each answer choice. Both are only physical changes. Both changes are physical changes. No new matter is created. Both are chemical changes. Both changes are physical changes. They are not chemical changes. Both are caused by heating. Neither change is caused by heating. Both are caused by cooling. Neither change is caused by cooling.
sciq-5720
multiple_choice
What is the name for spherical groups of old stars held tightly together by gravity?
[ "dark matter", "nebula", "globular clusters", "elliptical clusters" ]
C
sciq-9284
multiple_choice
What law states that matter cannot be created or destroyed?
[ "law of inertia", "conservation of energy", "construct of energy", "Murphy's Law" ]
B
sciq-10569
multiple_choice
What celestial structure does not give off its own light?
[ "the moon", "the stars", "meteors", "asteroids" ]
A
sciq-9554
multiple_choice
Tuna have been shown to contain high levels of what metal?
[ "iron", "cadmium", "mercury", "titanium" ]
C
sciq-2098
multiple_choice
How are the major families of organic compounds characterized?
[ "their visual groups", "their functional groups", "their thermal groups", "Their optic groups" ]
B
sciq-5576
multiple_choice
Power in electricity is the voltage multiplied by what?
[ "the current", "amperes", "wattage", "power" ]
A
sciq-10670
multiple_choice
Earthworms and ants possess what type of bodies, which means division into multiple parts?
[ "elliptical", "elongated", "truncated", "segmented" ]
D
sciq-1674
multiple_choice
What is the number of protons in the nucleus?
[ "atomic number", "metallic number", "atomic mass", "element" ]
A
sciq-5456
multiple_choice
All chordates are deuterostomes possessing a what?
[ "notochord", "endoderm", "zygote", "hydrochord" ]
A
sciq-6864
multiple_choice
What is the smallest volcanic landform that is formed from accumulation of many small fragments of ejected material?
[ "concave cones", "log cones", "edifice cones", "cinder cones" ]
D
sciq-2675
multiple_choice
What is the process of getting oxygen into the body & releasing carbon dioxide called?
[ "perspiration", "precipitation", "respiration", "photosynthesis" ]
C
sciq-5944
multiple_choice
How is sediment transported?
[ "currents", "landslides", "storms", "winds" ]
A
sciq-1580
multiple_choice
What occurs before the endometrium thickens in estrous cycles?
[ "fertilization", "copulation", "ovulation", "pregnancy" ]
C
sciq-2831
multiple_choice
What is responsible for the development of antibiotic-resistant strains of bacteria?
[ "flu shots", "mosquitoes", "negative mutations", "bacterial mutations" ]
D
sciq-1758
multiple_choice
Because plants lack what kind of system, their first line of defense is usually the death of cells surrounding infected tissue to prevent spread of infection?
[ "digestion system", "immune system", "hormones system", "nervous system" ]
B
sciq-10594
multiple_choice
How many atoms are evenly organized around a central atom?
[ "four", "seven", "six", "five" ]
C
sciq-314
multiple_choice
What term describes how closely packed the particles of matter are?
[ "density", "space", "mass", "range" ]
A
sciq-7031
multiple_choice
Viruses depend on what type of cells?
[ "host cells", "anchor cells", "blood cells", "immune system cells" ]
A
sciq-4667
multiple_choice
What type of lenses can correct myopia?
[ "diffusion lenses", "convex lenses", "concave lenses", "polarized lenses" ]
C
sciq-6972
multiple_choice
Some animals prepare for the long winter by going into what?
[ "fermentation", "suspended animation", "hibernation", "pollination" ]
C
ai2_arc-379
multiple_choice
If 10 grams of water are added to 5 grams of salt, how much salt water will be made?
[ "2 grams", "5 grams", "10 grams", "15 grams" ]
D
sciq-589
multiple_choice
What is the process by which the egg is fertilized by the pollen of the same flower?
[ "self pollination", "self formation", "self condensation", "self realization" ]
A
sciq-3429
multiple_choice
What do you require to test a hypothesis?
[ "estimates", "conclusion", "opinion", "data" ]
D
sciq-4385
multiple_choice
What is the term for evolution over geologic time above the level of the species?
[ "macroevolution", "speciation", "mutation", "microevolution" ]
A
sciq-10096
multiple_choice
What type of physics explains the behavior of visible light and electromagnetic waves?
[ "Thermodynamics", "statistics", "Quantum mechanics", "optics" ]
D
ai2_arc-588
multiple_choice
Ellie is growing a vegetable garden. In which season do the plants in Ellie's garden receive the most energy from the Sun for growing?
[ "fall", "spring", "summer", "winter" ]
C
sciq-3450
multiple_choice
Fish use some of their fins to propel themselves through the water and others to do what?
[ "breathe", "rest", "reproduce", "steer" ]
D
sciq-6343
multiple_choice
What term describes a type of redox reaction in which the same substance is both oxidized and reduced?
[ "disproportion", "interposition", "disapprobation", "misappropriation" ]
A
sciq-5291
multiple_choice
All members of a species living together form a what?
[ "organization", "group", "family", "population" ]
D
sciq-30
multiple_choice
Where do angiosperms produce seeds in flowers?
[ "testes", "germs", "ovaries", "cones" ]
C
sciq-1844
multiple_choice
What does subduction of a plate lead to?
[ "bending and volcanism", "swell and volcanism", "pressure and volcanism", "melting and volcanism" ]
D
sciq-1751
multiple_choice
What type of muscle is found in the walls of other internal organs such as the stomach?
[ "Fiber Muscle", "Tube Muscle", "inorganic muscle", "smooth muscle" ]
D
sciq-10244
multiple_choice
The simplest example of what type of 'organ system' is the gastrovascular cavity found in organisms with only one opening for the process?
[ "nervous", "digestive", "respiratory", "cardiovascular" ]
B
sciq-2212
multiple_choice
Most scientists think that ordinary matter makes up how much of the total matter in the universe?
[ "greater than half", "more than half", "less than half", "about half" ]
C
ai2_arc-280
multiple_choice
Which organ in a frog has a function similar to the function of lungs in a bird?
[ "kidney", "skin", "liver", "heart" ]
B
sciq-1533
multiple_choice
What are the cells caused that parasites spread through their host?
[ "sporozoites", "prokaryotes", "fungi spores", "protists" ]
A
sciq-11612
multiple_choice
Reproduction that doesn't involve a male gamete is also known as what?
[ "asexual reproduction", "meiosis", "mitosis", "agamogenesis" ]
D
sciq-5538
multiple_choice
What is in the soil that causes mars to look red?
[ "iron", "sand", "carbon", "garnet" ]
A