Jenjamin3000/MNLP_M3_MCQA_before_FT · Datasets at Hugging Face

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
scienceQA-532	multiple_choice	Select the plant.	[ "Wombats eat plants.", "Wolves eat animals.", "Dahlias can grow colorful flowers.", "Dung beetles walk and run." ]	C	A wombat is an animal. It eats plants. Wombats have strong claws. They use their claws to dig tunnels called burrows. A dung beetle is an animal. It walks and runs. Dung beetles eat animal waste, which is called dung. They roll the dung into balls to store for later. A dahlia is a plant. It can grow colorful flowers. Dahlia plants grow in the wild in Central America. But people grow dahlias in gardens all over the world! A wolf is an animal. It eats other animals. Wolves often live in family groups. A wolf family group is called a pack.
sciq-17	multiple_choice	What occurs when the immune system attacks a harmless substance that enters the body from the outside?	[ "nausea", "allergy", "panic attack", "plague" ]	B
sciq-11637	multiple_choice	Biochemical compounds that include sugars, starches, and cellulose are examples of what?	[ "proteins", "carbohydrates", "lipids", "electrolytes" ]	B
sciq-7373	multiple_choice	What are electrons lost during the formation of ions called?	[ "catalysts", "oxides", "cations", "isotopes" ]	C
sciq-1825	multiple_choice	Potassium is a soft, silvery metal that ignites explosively in what?	[ "air", "acid", "cold", "water" ]	D
sciq-9867	multiple_choice	What part of an egg contains the genetic material ?	[ "the nucleus", "here.the nucleus", "the fetus", "the sperm" ]	A
sciq-5295	multiple_choice	The scientific practice of classifying organisms is also known as what?	[ "terminology", "taxodermy", "taxonomy", "methodology" ]	C
sciq-1768	multiple_choice	What are chemical messengers that control sexual development and reproduction?	[ "sex hormones", "proteins", "lipids", "neurotransmitters" ]	A
sciq-3469	multiple_choice	Ticks spread bacteria that causes what condition?	[ "Rabies", "lyme disease", "Dengue fever", "Malaria" ]	B
ai2_arc-246	multiple_choice	When it rains, some animals will ___.	[ "hibernate for the season", "migrate to warmer climates", "change their body covering", "move to seek shelter" ]	D
scienceQA-11867	multiple_choice	What do these two changes have in common? chicken cooking in an oven melting glass	[ "Both are caused by cooling.", "Both are only physical changes.", "Both are caused by heating.", "Both are chemical changes." ]	C	Step 1: Think about each change. Cooking chicken is a chemical change. The heat causes the matter in the chicken to change. Cooked chicken and raw chicken are different types of matter. Melting glass is a change of state. So, it is a physical change. The glass changes from solid to liquid. But a different type of matter is not formed. Step 2: Look at each answer choice. Both are only physical changes. Melting glass is a physical change. But cooking chicken is not. Both are chemical changes. Cooking chicken is a chemical change. But melting glass is not. Both are caused by heating. Both changes are caused by heating. Both are caused by cooling. Neither change is caused by cooling.
sciq-2740	multiple_choice	The units of time, day and year are based on what?	[ "moon phases", "gravitational waves", "motions of the sun", "motions of earth" ]	D
sciq-8338	multiple_choice	What is the term for matter that does not let any light pass through?	[ "mirrored", "dark", "opaque", "reflective" ]	C
sciq-154	multiple_choice	What is the rigid layer that is found outside the cell membrane and surrounds the cell?	[ "cell wall", "cell root", "cell barrier", "cell shield" ]	A
sciq-2429	multiple_choice	The largest phylum in the animal kingdom, arthropod, is primarily comprised of what?	[ "insects", "mammals", "amphibians", "reptiles" ]	A
ai2_arc-429	multiple_choice	Muscle cells have the ability to store and release large amounts of energy. Which body function is best served by this release of energy?	[ "exchanging gases", "moving body parts", "absorbing nutrients", "sending nerve impulses" ]	B
sciq-1419	multiple_choice	Linked genes are located on the same what?	[ "bacterium", "genome", "chromosome", "nucleolus" ]	C
sciq-1293	multiple_choice	What is at the top of the mesosphere?	[ "Troposphere", "Mesosphere", "Stratosphere", "mesopause" ]	D
sciq-2622	multiple_choice	What type of organism was the only able to live in the anoxic atmosphere of the first 2 billion years?	[ "protists", "anaerobic", "mammals", "aerobic" ]	B
ai2_arc-752	multiple_choice	Two pure substances combine to make a new substance. The new substance cannot be physically separated and has a different boiling point than each of the original substances. This new substance can best be classified as	[ "an atom.", "a mixture.", "an element.", "a compound." ]	D
sciq-3260	multiple_choice	Roots, stems and leaves are organs commonly found in what?	[ "plants", "algae", "animals", "fungi" ]	A
ai2_arc-314	multiple_choice	In a grassland ecosystem, if the population of eagles suddenly decreased, what will most likely be the effect on the rest of the ecosystem?	[ "The ecosystem will become overpopulated with snakes.", "There will be a decrease in the population of snakes in the ecosystem.", "The nutrition of the soil in the ecosystem will decrease.", "More types of plants will begin growing in the ecosystem." ]	A
sciq-11365	multiple_choice	What is the term for traits that show wide variation, such as height, skin color, and eye color?	[ "inherited traits", "maladaptive traits", "polygenic traits", "recessive traits" ]	C
sciq-2688	multiple_choice	Early blastomeres can form what if isolated?	[ "tumors", "lesions", "cancer", "a complete embryo" ]	D
sciq-5461	multiple_choice	Exemplified by canada and alaska, what kind of climate has cool, short summers and long, cold winters, little precipitation, and abundant conifers?	[ "subarctic climate", "temperate climate", "tropical climate", "droughts climate" ]	A
sciq-7458	multiple_choice	What is the most diverse and abundant group of organisms on earth, numbering in the millions of trillions?	[ "pests", "pathogens", "bacteria", "viruses" ]	C
sciq-4353	multiple_choice	At equilibrium reactants and what are equally abundant?	[ "minerals", "results", "proactives", "products" ]	D
sciq-6455	multiple_choice	A non-bony skeleton that forms outside of the body is known as a what?	[ "excitoskeleton", "exoskeleton", "endoskeleton", "exoplate" ]	B
sciq-5389	multiple_choice	In addition to a nucleus what do eukaryotic cells have?	[ "protons", "organelles", "nutrons", "electrons" ]	B
sciq-6612	multiple_choice	What is defined as maintaining a stable internal environment?	[ "peristalsis", "homeostasis", "ketosis", "consciousness" ]	B
ai2_arc-35	multiple_choice	Which celestial object listed below has the greatest density?	[ "a planet", "a comet", "a nebula", "a neutron star" ]	D
sciq-9061	multiple_choice	Change in what equals the average net external force multiplied by the time this force acts?	[ "momentum", "height", "rate", "lag" ]	A
sciq-851	multiple_choice	When we move down a group of elements on the periodic table, what happens to their electronegativity?	[ "it decreases", "it increases", "it stays the same", "it doubles" ]	A
sciq-8456	multiple_choice	In a tropical rainforest, where are ferns common?	[ "forrest floor", "canopy", "understory", "emergent" ]	C
scienceQA-7297	multiple_choice	How long is a rowboat?	[ "4 centimeters", "4 kilometers", "4 millimeters", "4 meters" ]	D	The best estimate for the length of a rowboat is 4 meters. 4 millimeters and 4 centimeters are too short. 4 kilometers is too long.
ai2_arc-487	multiple_choice	Which gas is given off by plants?	[ "Hydrogen", "Nitrogen", "Oxygen", "Helium" ]	C
sciq-3607	multiple_choice	In a hot water heater, burning fuel causes the water to get hot because combustion is what type of reaction?	[ "biochemical", "geothermal", "exothermic", "endothermic" ]	C
sciq-6833	multiple_choice	If a gas in a closed area experiences increases in pressure and decreases in temperatures, what other attribute of the gas will be affected?	[ "gravity", "temperature", "volume", "velocity" ]	C
sciq-4126	multiple_choice	The hypothalamus and pituitary gland are located near the base of this organ?	[ "the liver", "the brain", "the heart", "the lungs" ]	B
sciq-10458	multiple_choice	What is the causative agent of sleeping sickness in humans?	[ "trypanosoma brucei", "escherichia coli", "bacillus aerophilus", "pseudomonas asplenii" ]	A
sciq-1433	multiple_choice	Iron will do what when it is exposed to oxygen and water?	[ "contract", "rust", "expand", "become hot" ]	B
sciq-1610	multiple_choice	The amount of energy needed to raise the temperature of one gram of liquid water by 1°c is also known as?	[ "specific heat", "calorie", "Kelvin", "mass" ]	A
sciq-2177	multiple_choice	Energy transfer between what kinds of levels is generally rather inefficient?	[ "producer", "apex", "trophic", "secondary" ]	C
sciq-9939	multiple_choice	Long distance runners try to maintain constant velocity with very little acceleration or deceleration to conserve what?	[ "momentum", "fuel", "pressure", "energy" ]	D
sciq-7368	multiple_choice	What is a fold of the outer skin lining the shell called?	[ "stack", "marble", "mantle", "cortex" ]	C
sciq-8682	multiple_choice	What is the collective travel of sheep known as?	[ "herd", "load", "den", "gaggle" ]	A
sciq-6878	multiple_choice	In what form is the heat absorbed when you heat ice and it reaches a temperature of 0 c?	[ "mechanical energy", "geothermal energy", "potential energy", "radiation energy" ]	C
sciq-3769	multiple_choice	About 50% of all animal species died off between the mesozoic and which other era?	[ "precambrian", "jurassic", "cretaceous", "cenozoic" ]	D
ai2_arc-532	multiple_choice	Which of these is only found outside the solar system?	[ "planets", "moons", "nebulae", "comets" ]	C
sciq-8003	multiple_choice	A voltage source and a conductor are common to all what?	[ "cooling circuits", "magnets", "thermometers", "electric circuits" ]	D
sciq-4863	multiple_choice	Where part of the atmosphere is the uppermost mantle?	[ "lithosphere", "isosphere", "thermosphere", "troposphere" ]	A
ai2_arc-855	multiple_choice	The liver converts glucose to glycogen for storage. Why is this function considered a chemical change?	[ "because the conversion transforms solids to liquids", "because the conversion allows for less glucose in the liver", "because the conversion changes one substance to a new one", "because the conversion changes the shape of the liver cells" ]	C
sciq-3725	multiple_choice	How many forces do objects on earth have acting on them at all times?	[ "three", "two", "ten", "four" ]	B
sciq-10924	multiple_choice	Streamlines are smooth and continuous when flow is laminar, but break up and mix when flow is what?	[ "atmospheric", "turbulent", "volcanic", "slow" ]	B
sciq-6311	multiple_choice	The ostrich, kiwi, rhea, cassowary, and moa are examples of what kind of birds?	[ "flightless", "raptors", "predators", "prehistoric" ]	A
sciq-2977	multiple_choice	Which members of the food chain break down remains of plants and other organisms when they die?	[ "Respiration", "nematodes", "decomposers", "fluxes" ]	C
sciq-8161	multiple_choice	At any specific time, the rate at which a reaction is proceeding is known as its what?	[ "instantaneous rate", "immediate rate", "emitted rate", "spontaneous rate" ]	A
ai2_arc-462	multiple_choice	A group of students plans to build a model of a local pond habitat. Which model best represents an environment similar to a pond?	[ "a sealed plastic bottle containing insects and algae from a pond", "a classroom aquarium containing plants and animals bought from a store", "a classroom aquarium containing freshwater, non-native plants, and non-native animals", "a small plastic outdoor pool containing freshwater, native plants, and native animals" ]	D
sciq-7694	multiple_choice	What do we call the region on the lung root formed by the entrance of the nerves at the hilum?	[ "brain plexus", "heart plexus", "pulmonary plexus", "renal plexus" ]	C
sciq-992	multiple_choice	Because their embryos are surrounded by a thin membrane, reptiles are considered what?	[ "vertebrates", "amniotes", "lineages", "carnivorous" ]	B
sciq-6663	multiple_choice	When different types of tissues work together to perform a unique function, what do they form?	[ "Brian", "organ", "organs", "produce" ]	B
sciq-7982	multiple_choice	The heart contracts rhythmically to pump what to the lungs and the rest of the body?	[ "Chyle", "Bile", "blood", "Cerumen" ]	C
sciq-268	multiple_choice	What is the second most abundant element in the earth's crust?	[ "nitrogen", "helium", "silicon", "carbon" ]	C
sciq-166	multiple_choice	What distinguishing characteristic of annelid anatomy shows specialization and adaptation?	[ "compression", "beautiful", "asymmetry", "segmentation" ]	D
sciq-8870	multiple_choice	What do electrons lose during their transfer from organic compounds to oxygen?	[ "potential energy", "actual energy", "thermal energy", "mechanical energy" ]	A
sciq-6860	multiple_choice	Representing a leap in scientific understanding, einstein described what as a dent in the fabric of space and time?	[ "motion", "light", "energy", "gravity" ]	D
sciq-4728	multiple_choice	How do amphibians reproduce?	[ "biologically", "they don't", "sexually", "asexually" ]	C
ai2_arc-440	multiple_choice	What circuit does not allow an electrical current to flow through it?	[ "closed", "open", "parallel", "series" ]	B
sciq-4169	multiple_choice	The sequence of bases in a gene translates to the sequence of what protein components?	[ "protein acids", "amino acids", "rna acids", "molecular acids" ]	B
sciq-8070	multiple_choice	What type of organism causes many common diseases such as strep throat and food-borne illnesses?	[ "prion", "virus", "bacteria", "parasite" ]	C
sciq-3756	multiple_choice	Recognition of pathogens is a function of what type of response?	[ "immune", "hormones", "inhalation", "digestion" ]	A
sciq-2241	multiple_choice	What type of archaea live in salty environments?	[ "sporozoans", "halophiles", "arthropods", "amphibians" ]	B
sciq-11668	multiple_choice	What is caused by differences in density at the top and bottom of the ocean?	[ "deep currents", "shallow currents", "flat currents", "still water" ]	A
sciq-10979	multiple_choice	What is the term for an organism, or single living thing?	[ "single-celled organism", "individual", "loner", "unique" ]	B
sciq-2336	multiple_choice	The ideal gas law is used like any other gas law, with attention paid to the unit and making sure that temperature is expressed in kelvin. however, the ideal gas law does not require a change in the conditions of a gas sample. the ideal gas law implies that if you know any three of the physical properties of a gas, you can calculate this?	[ "unrelated", "fourth", "second", "third" ]	B
sciq-3950	multiple_choice	The use of mercury-based dental amalgam has gone under question in recent years because of concerns regarding what?	[ "the toxicity", "the expense", "the variability", "the oxygen" ]	A
sciq-5250	multiple_choice	Approximately how many billion years ago did our solar system begin?	[ "three billion", "four billion", "five billion", "nine billion" ]	C
sciq-10044	multiple_choice	Scientists goal is develop nuclear fusion power plants, where the energy from fusion of hydrogen nuclei can be converted to what?	[ "gasoline", "wind", "oil", "electricity" ]	D
ai2_arc-1011	multiple_choice	Which of these tools would be best to use when observing insects in a field?	[ "compass", "hand lens", "microscope", "thermometer" ]	B
sciq-1558	multiple_choice	What occurs when some substances change chemically to other substances?	[ "toxic reaction", "spontaneous mutation", "hormonal reaction", "chemical reaction" ]	D
sciq-5307	multiple_choice	Redox reactions can always be recognized by a change in what number of two of the atoms in the reaction?	[ "oxidation", "fermentation", "precipitation", "oxygen" ]	A
sciq-10356	multiple_choice	A measure of how close a series of measurements are to one another is what?	[ "calculation", "precision", "density", "reflection" ]	B
sciq-8873	multiple_choice	Algae convert energy from the sun into food by means of what process?	[ "luminosynthesis", "compression", "glycolysis", "photosynthesis" ]	D
sciq-10894	multiple_choice	What is the name of the first leaf developed inside an embryo?	[ "exon", "gastromyzon", "polylepis", "cotyledon" ]	D
sciq-742	multiple_choice	What is the ph level of neutral, pure water?	[ "five", "six", "seven", "six and a half" ]	C
sciq-2605	multiple_choice	What tissue blocks entry of pathogens in mammals?	[ "epithelial", "pathological", "esophageal", "dendritic" ]	A
sciq-5432	multiple_choice	A geiger counter is used for detecting what?	[ "mutation", "radiation", "pressure", "convection" ]	B
scienceQA-875	multiple_choice	Select the fish below.	[ "cane toad", "salmon", "water buffalo", "harbor seal" ]	B	A salmon is a fish. It lives underwater. It has fins, not limbs. Unlike most other fish, salmon can live in both fresh water and salt water. A harbor seal is a mammal. It has fur and feeds its young milk. Seals have flippers instead of arms! They use their flippers to swim underwater or to crawl on the beach. A water buffalo is a mammal. It has hair and feeds its young milk. Water buffaloes live in Asia. Some people raise water buffaloes for their milk. A cane toad is an amphibian. It has moist skin and begins its life in water. Toads do not have teeth! They swallow their food whole.
sciq-10311	multiple_choice	What are algae that live in colonies of hundreds of cells called?	[ "euglenids", "volvox", "rhodophyta", "chlorophyta" ]	B
sciq-3298	multiple_choice	Scientific notation expresses a number as a what, times a power of 10?	[ "coefficient", "function", "fraction", "expression" ]	A
sciq-3454	multiple_choice	Orbiting at a fairly typical 370 kilometers, the international space station is an example of what?	[ "high orbit satellite", "flagella satellite", "alteration satellite", "manmade satellite" ]	D
sciq-8369	multiple_choice	The elements are arranged in rows, each representing the filling of what shell?	[ "electron", "plasma membrane", "neutron", "proton" ]	A
sciq-8862	multiple_choice	What do we call the force of attraction or repulsion between electrically charged particles?	[ "mechanical force", "gravitational pull", "chemical force", "electromagnetic force" ]	D
scienceQA-3058	multiple_choice	How long is the Amazon River?	[ "6,400 millimeters", "6,400 meters", "6,400 centimeters", "6,400 kilometers" ]	D	The best estimate for the length of the Amazon River is 6,400 kilometers. 6,400 millimeters, 6,400 centimeters, and 6,400 meters are all too short.
sciq-2678	multiple_choice	What occurs at joints?	[ "respiration", "body movements", "nothing", "digestion" ]	B
sciq-88	multiple_choice	Most of the pathogens that cause stis enter the body through mucous membranes of which organs?	[ "reproductive organs", "stomach", "eyes", "kidneys" ]	A
sciq-7933	multiple_choice	Plants, algae and bacteria are all examples of what type of organism?	[ "unicellular", "microbes", "skeletal", "photosynthetic" ]	D
sciq-8189	multiple_choice	When the air temperature reaches the dew point, water vapor starts to do what?	[ "evaporate", "germinate", "condense", "dissipate" ]	C
sciq-5132	multiple_choice	In a magnet, what are the regions called that are the strongest?	[ "plates", "negatives", "positives", "poles" ]	D
sciq-4779	multiple_choice	Carbon and what are the second and third most abundant elements in your body?	[ "hydrogen", "mercury", "calcium", "helium" ]	A

scienceQA-532

multiple_choice

Select the plant.

[ "Wombats eat plants.", "Wolves eat animals.", "Dahlias can grow colorful flowers.", "Dung beetles walk and run." ]

C

A wombat is an animal. It eats plants. Wombats have strong claws. They use their claws to dig tunnels called burrows. A dung beetle is an animal. It walks and runs. Dung beetles eat animal waste, which is called dung. They roll the dung into balls to store for later. A dahlia is a plant. It can grow colorful flowers. Dahlia plants grow in the wild in Central America. But people grow dahlias in gardens all over the world! A wolf is an animal. It eats other animals. Wolves often live in family groups. A wolf family group is called a pack.

sciq-17

multiple_choice

What occurs when the immune system attacks a harmless substance that enters the body from the outside?

[ "nausea", "allergy", "panic attack", "plague" ]

B

sciq-11637

multiple_choice

Biochemical compounds that include sugars, starches, and cellulose are examples of what?

[ "proteins", "carbohydrates", "lipids", "electrolytes" ]

B

sciq-7373

multiple_choice

What are electrons lost during the formation of ions called?

[ "catalysts", "oxides", "cations", "isotopes" ]

C

sciq-1825

multiple_choice

Potassium is a soft, silvery metal that ignites explosively in what?

[ "air", "acid", "cold", "water" ]

D

sciq-9867

multiple_choice

What part of an egg contains the genetic material ?

[ "the nucleus", "here.the nucleus", "the fetus", "the sperm" ]

A

sciq-5295

multiple_choice

The scientific practice of classifying organisms is also known as what?

[ "terminology", "taxodermy", "taxonomy", "methodology" ]

C

sciq-1768

multiple_choice

What are chemical messengers that control sexual development and reproduction?

[ "sex hormones", "proteins", "lipids", "neurotransmitters" ]

A

sciq-3469

multiple_choice

Ticks spread bacteria that causes what condition?

[ "Rabies", "lyme disease", "Dengue fever", "Malaria" ]

B

ai2_arc-246

multiple_choice

When it rains, some animals will ___.

[ "hibernate for the season", "migrate to warmer climates", "change their body covering", "move to seek shelter" ]

D

scienceQA-11867

multiple_choice

What do these two changes have in common? chicken cooking in an oven melting glass

[ "Both are caused by cooling.", "Both are only physical changes.", "Both are caused by heating.", "Both are chemical changes." ]

C

Step 1: Think about each change. Cooking chicken is a chemical change. The heat causes the matter in the chicken to change. Cooked chicken and raw chicken are different types of matter. Melting glass is a change of state. So, it is a physical change. The glass changes from solid to liquid. But a different type of matter is not formed. Step 2: Look at each answer choice. Both are only physical changes. Melting glass is a physical change. But cooking chicken is not. Both are chemical changes. Cooking chicken is a chemical change. But melting glass is not. Both are caused by heating. Both changes are caused by heating. Both are caused by cooling. Neither change is caused by cooling.

sciq-2740

multiple_choice

The units of time, day and year are based on what?

[ "moon phases", "gravitational waves", "motions of the sun", "motions of earth" ]

D

sciq-8338

multiple_choice

What is the term for matter that does not let any light pass through?

[ "mirrored", "dark", "opaque", "reflective" ]

C

sciq-154

multiple_choice

What is the rigid layer that is found outside the cell membrane and surrounds the cell?

[ "cell wall", "cell root", "cell barrier", "cell shield" ]

A

sciq-2429

multiple_choice

The largest phylum in the animal kingdom, arthropod, is primarily comprised of what?

[ "insects", "mammals", "amphibians", "reptiles" ]

A

ai2_arc-429

multiple_choice

Muscle cells have the ability to store and release large amounts of energy. Which body function is best served by this release of energy?

[ "exchanging gases", "moving body parts", "absorbing nutrients", "sending nerve impulses" ]

B

sciq-1419

multiple_choice

Linked genes are located on the same what?

[ "bacterium", "genome", "chromosome", "nucleolus" ]

C

sciq-1293

multiple_choice

What is at the top of the mesosphere?

[ "Troposphere", "Mesosphere", "Stratosphere", "mesopause" ]

D

sciq-2622

multiple_choice

What type of organism was the only able to live in the anoxic atmosphere of the first 2 billion years?

[ "protists", "anaerobic", "mammals", "aerobic" ]

B

ai2_arc-752

multiple_choice

Two pure substances combine to make a new substance. The new substance cannot be physically separated and has a different boiling point than each of the original substances. This new substance can best be classified as

[ "an atom.", "a mixture.", "an element.", "a compound." ]

D

sciq-3260

multiple_choice

Roots, stems and leaves are organs commonly found in what?

[ "plants", "algae", "animals", "fungi" ]

A

ai2_arc-314

multiple_choice

In a grassland ecosystem, if the population of eagles suddenly decreased, what will most likely be the effect on the rest of the ecosystem?

[ "The ecosystem will become overpopulated with snakes.", "There will be a decrease in the population of snakes in the ecosystem.", "The nutrition of the soil in the ecosystem will decrease.", "More types of plants will begin growing in the ecosystem." ]

A

sciq-11365

multiple_choice

What is the term for traits that show wide variation, such as height, skin color, and eye color?

[ "inherited traits", "maladaptive traits", "polygenic traits", "recessive traits" ]

C

sciq-2688

multiple_choice

Early blastomeres can form what if isolated?

[ "tumors", "lesions", "cancer", "a complete embryo" ]

D

sciq-5461

multiple_choice

Exemplified by canada and alaska, what kind of climate has cool, short summers and long, cold winters, little precipitation, and abundant conifers?

[ "subarctic climate", "temperate climate", "tropical climate", "droughts climate" ]

A

sciq-7458

multiple_choice

What is the most diverse and abundant group of organisms on earth, numbering in the millions of trillions?

[ "pests", "pathogens", "bacteria", "viruses" ]

C

sciq-4353

multiple_choice

At equilibrium reactants and what are equally abundant?

[ "minerals", "results", "proactives", "products" ]

D

sciq-6455

multiple_choice

A non-bony skeleton that forms outside of the body is known as a what?

[ "excitoskeleton", "exoskeleton", "endoskeleton", "exoplate" ]

B

sciq-5389

multiple_choice

In addition to a nucleus what do eukaryotic cells have?

[ "protons", "organelles", "nutrons", "electrons" ]

B

sciq-6612

multiple_choice

What is defined as maintaining a stable internal environment?

[ "peristalsis", "homeostasis", "ketosis", "consciousness" ]

B

ai2_arc-35

multiple_choice

Which celestial object listed below has the greatest density?

[ "a planet", "a comet", "a nebula", "a neutron star" ]

D

sciq-9061

multiple_choice

Change in what equals the average net external force multiplied by the time this force acts?

[ "momentum", "height", "rate", "lag" ]

A

sciq-851

multiple_choice

When we move down a group of elements on the periodic table, what happens to their electronegativity?

[ "it decreases", "it increases", "it stays the same", "it doubles" ]

A

sciq-8456

multiple_choice

In a tropical rainforest, where are ferns common?

[ "forrest floor", "canopy", "understory", "emergent" ]

C

scienceQA-7297

multiple_choice

How long is a rowboat?

[ "4 centimeters", "4 kilometers", "4 millimeters", "4 meters" ]

D

The best estimate for the length of a rowboat is 4 meters. 4 millimeters and 4 centimeters are too short. 4 kilometers is too long.

ai2_arc-487

multiple_choice

Which gas is given off by plants?

[ "Hydrogen", "Nitrogen", "Oxygen", "Helium" ]

C

sciq-3607

multiple_choice

In a hot water heater, burning fuel causes the water to get hot because combustion is what type of reaction?

[ "biochemical", "geothermal", "exothermic", "endothermic" ]

C

sciq-6833

multiple_choice

If a gas in a closed area experiences increases in pressure and decreases in temperatures, what other attribute of the gas will be affected?

[ "gravity", "temperature", "volume", "velocity" ]

C

sciq-4126

multiple_choice

The hypothalamus and pituitary gland are located near the base of this organ?

[ "the liver", "the brain", "the heart", "the lungs" ]

B

sciq-10458

multiple_choice

What is the causative agent of sleeping sickness in humans?

[ "trypanosoma brucei", "escherichia coli", "bacillus aerophilus", "pseudomonas asplenii" ]

A

sciq-1433

multiple_choice

Iron will do what when it is exposed to oxygen and water?

[ "contract", "rust", "expand", "become hot" ]

B

sciq-1610

multiple_choice

The amount of energy needed to raise the temperature of one gram of liquid water by 1°c is also known as?

[ "specific heat", "calorie", "Kelvin", "mass" ]

A

sciq-2177

multiple_choice

Energy transfer between what kinds of levels is generally rather inefficient?

[ "producer", "apex", "trophic", "secondary" ]

C

sciq-9939

multiple_choice

Long distance runners try to maintain constant velocity with very little acceleration or deceleration to conserve what?

[ "momentum", "fuel", "pressure", "energy" ]

D

sciq-7368

multiple_choice

What is a fold of the outer skin lining the shell called?

[ "stack", "marble", "mantle", "cortex" ]

C

sciq-8682

multiple_choice

What is the collective travel of sheep known as?

[ "herd", "load", "den", "gaggle" ]

A

sciq-6878

multiple_choice

In what form is the heat absorbed when you heat ice and it reaches a temperature of 0 c?

[ "mechanical energy", "geothermal energy", "potential energy", "radiation energy" ]

C

sciq-3769

multiple_choice

About 50% of all animal species died off between the mesozoic and which other era?

[ "precambrian", "jurassic", "cretaceous", "cenozoic" ]

D

ai2_arc-532

multiple_choice

Which of these is only found outside the solar system?

[ "planets", "moons", "nebulae", "comets" ]

C

sciq-8003

multiple_choice

A voltage source and a conductor are common to all what?

[ "cooling circuits", "magnets", "thermometers", "electric circuits" ]

D

sciq-4863

multiple_choice

Where part of the atmosphere is the uppermost mantle?

[ "lithosphere", "isosphere", "thermosphere", "troposphere" ]

A

ai2_arc-855

multiple_choice

The liver converts glucose to glycogen for storage. Why is this function considered a chemical change?

[ "because the conversion transforms solids to liquids", "because the conversion allows for less glucose in the liver", "because the conversion changes one substance to a new one", "because the conversion changes the shape of the liver cells" ]

C

sciq-3725

multiple_choice

How many forces do objects on earth have acting on them at all times?

[ "three", "two", "ten", "four" ]

B

sciq-10924

multiple_choice

Streamlines are smooth and continuous when flow is laminar, but break up and mix when flow is what?

[ "atmospheric", "turbulent", "volcanic", "slow" ]

B

sciq-6311

multiple_choice

The ostrich, kiwi, rhea, cassowary, and moa are examples of what kind of birds?

[ "flightless", "raptors", "predators", "prehistoric" ]

A

sciq-2977

multiple_choice

Which members of the food chain break down remains of plants and other organisms when they die?

[ "Respiration", "nematodes", "decomposers", "fluxes" ]

C

sciq-8161

multiple_choice

At any specific time, the rate at which a reaction is proceeding is known as its what?

[ "instantaneous rate", "immediate rate", "emitted rate", "spontaneous rate" ]

A

ai2_arc-462

multiple_choice

A group of students plans to build a model of a local pond habitat. Which model best represents an environment similar to a pond?

[ "a sealed plastic bottle containing insects and algae from a pond", "a classroom aquarium containing plants and animals bought from a store", "a classroom aquarium containing freshwater, non-native plants, and non-native animals", "a small plastic outdoor pool containing freshwater, native plants, and native animals" ]

D

sciq-7694

multiple_choice

What do we call the region on the lung root formed by the entrance of the nerves at the hilum?

[ "brain plexus", "heart plexus", "pulmonary plexus", "renal plexus" ]

C

sciq-992

multiple_choice

Because their embryos are surrounded by a thin membrane, reptiles are considered what?

[ "vertebrates", "amniotes", "lineages", "carnivorous" ]

B

sciq-6663

multiple_choice

When different types of tissues work together to perform a unique function, what do they form?

[ "Brian", "organ", "organs", "produce" ]

B

sciq-7982

multiple_choice

The heart contracts rhythmically to pump what to the lungs and the rest of the body?

[ "Chyle", "Bile", "blood", "Cerumen" ]

C

sciq-268

multiple_choice

What is the second most abundant element in the earth's crust?

[ "nitrogen", "helium", "silicon", "carbon" ]

C

sciq-166

multiple_choice

What distinguishing characteristic of annelid anatomy shows specialization and adaptation?

[ "compression", "beautiful", "asymmetry", "segmentation" ]

D

sciq-8870

multiple_choice

What do electrons lose during their transfer from organic compounds to oxygen?

[ "potential energy", "actual energy", "thermal energy", "mechanical energy" ]

A

sciq-6860

multiple_choice

Representing a leap in scientific understanding, einstein described what as a dent in the fabric of space and time?

[ "motion", "light", "energy", "gravity" ]

D

sciq-4728

multiple_choice

How do amphibians reproduce?

[ "biologically", "they don't", "sexually", "asexually" ]

C

ai2_arc-440

multiple_choice

What circuit does not allow an electrical current to flow through it?

[ "closed", "open", "parallel", "series" ]

B

sciq-4169

multiple_choice

The sequence of bases in a gene translates to the sequence of what protein components?

[ "protein acids", "amino acids", "rna acids", "molecular acids" ]

B

sciq-8070

multiple_choice

What type of organism causes many common diseases such as strep throat and food-borne illnesses?

[ "prion", "virus", "bacteria", "parasite" ]

C

sciq-3756

multiple_choice

Recognition of pathogens is a function of what type of response?

[ "immune", "hormones", "inhalation", "digestion" ]

A

sciq-2241

multiple_choice

What type of archaea live in salty environments?

[ "sporozoans", "halophiles", "arthropods", "amphibians" ]

B

sciq-11668

multiple_choice

What is caused by differences in density at the top and bottom of the ocean?

[ "deep currents", "shallow currents", "flat currents", "still water" ]

A

sciq-10979

multiple_choice

What is the term for an organism, or single living thing?

[ "single-celled organism", "individual", "loner", "unique" ]

B

sciq-2336

multiple_choice

The ideal gas law is used like any other gas law, with attention paid to the unit and making sure that temperature is expressed in kelvin. however, the ideal gas law does not require a change in the conditions of a gas sample. the ideal gas law implies that if you know any three of the physical properties of a gas, you can calculate this?

[ "unrelated", "fourth", "second", "third" ]

B

sciq-3950

multiple_choice

The use of mercury-based dental amalgam has gone under question in recent years because of concerns regarding what?

[ "the toxicity", "the expense", "the variability", "the oxygen" ]

A

sciq-5250

multiple_choice

Approximately how many billion years ago did our solar system begin?

[ "three billion", "four billion", "five billion", "nine billion" ]

C

sciq-10044

multiple_choice

Scientists goal is develop nuclear fusion power plants, where the energy from fusion of hydrogen nuclei can be converted to what?

[ "gasoline", "wind", "oil", "electricity" ]

D

ai2_arc-1011

multiple_choice

Which of these tools would be best to use when observing insects in a field?

[ "compass", "hand lens", "microscope", "thermometer" ]

B

sciq-1558

multiple_choice

What occurs when some substances change chemically to other substances?

[ "toxic reaction", "spontaneous mutation", "hormonal reaction", "chemical reaction" ]

D

sciq-5307

multiple_choice

Redox reactions can always be recognized by a change in what number of two of the atoms in the reaction?

[ "oxidation", "fermentation", "precipitation", "oxygen" ]

A

sciq-10356

multiple_choice

A measure of how close a series of measurements are to one another is what?

[ "calculation", "precision", "density", "reflection" ]

B

sciq-8873

multiple_choice

Algae convert energy from the sun into food by means of what process?

[ "luminosynthesis", "compression", "glycolysis", "photosynthesis" ]

D

sciq-10894

multiple_choice

What is the name of the first leaf developed inside an embryo?

[ "exon", "gastromyzon", "polylepis", "cotyledon" ]

D

sciq-742

multiple_choice

What is the ph level of neutral, pure water?

[ "five", "six", "seven", "six and a half" ]

C

sciq-2605

multiple_choice

What tissue blocks entry of pathogens in mammals?

[ "epithelial", "pathological", "esophageal", "dendritic" ]

A

sciq-5432

multiple_choice

A geiger counter is used for detecting what?

[ "mutation", "radiation", "pressure", "convection" ]

B

scienceQA-875

multiple_choice

Select the fish below.

[ "cane toad", "salmon", "water buffalo", "harbor seal" ]

B

A salmon is a fish. It lives underwater. It has fins, not limbs. Unlike most other fish, salmon can live in both fresh water and salt water. A harbor seal is a mammal. It has fur and feeds its young milk. Seals have flippers instead of arms! They use their flippers to swim underwater or to crawl on the beach. A water buffalo is a mammal. It has hair and feeds its young milk. Water buffaloes live in Asia. Some people raise water buffaloes for their milk. A cane toad is an amphibian. It has moist skin and begins its life in water. Toads do not have teeth! They swallow their food whole.

sciq-10311

multiple_choice

What are algae that live in colonies of hundreds of cells called?

[ "euglenids", "volvox", "rhodophyta", "chlorophyta" ]

B

sciq-3298

multiple_choice

Scientific notation expresses a number as a what, times a power of 10?

[ "coefficient", "function", "fraction", "expression" ]

A

sciq-3454

multiple_choice

Orbiting at a fairly typical 370 kilometers, the international space station is an example of what?

[ "high orbit satellite", "flagella satellite", "alteration satellite", "manmade satellite" ]

D

sciq-8369

multiple_choice

The elements are arranged in rows, each representing the filling of what shell?

[ "electron", "plasma membrane", "neutron", "proton" ]

A

sciq-8862

multiple_choice

What do we call the force of attraction or repulsion between electrically charged particles?

[ "mechanical force", "gravitational pull", "chemical force", "electromagnetic force" ]

D

scienceQA-3058

multiple_choice

How long is the Amazon River?

[ "6,400 millimeters", "6,400 meters", "6,400 centimeters", "6,400 kilometers" ]

D

The best estimate for the length of the Amazon River is 6,400 kilometers. 6,400 millimeters, 6,400 centimeters, and 6,400 meters are all too short.

sciq-2678

multiple_choice

What occurs at joints?

[ "respiration", "body movements", "nothing", "digestion" ]

B

sciq-88

multiple_choice

Most of the pathogens that cause stis enter the body through mucous membranes of which organs?

[ "reproductive organs", "stomach", "eyes", "kidneys" ]

A

sciq-7933

multiple_choice

Plants, algae and bacteria are all examples of what type of organism?

[ "unicellular", "microbes", "skeletal", "photosynthetic" ]

D

sciq-8189

multiple_choice

When the air temperature reaches the dew point, water vapor starts to do what?

[ "evaporate", "germinate", "condense", "dissipate" ]

C

sciq-5132

multiple_choice

In a magnet, what are the regions called that are the strongest?

[ "plates", "negatives", "positives", "poles" ]

D

sciq-4779

multiple_choice

Carbon and what are the second and third most abundant elements in your body?

[ "hydrogen", "mercury", "calcium", "helium" ]

A