question stringlengths 4 399 ⌀ | options listlengths 4 8 ⌀ | correct_answer stringlengths 1 116 ⌀ | prompt stringlengths 146 739 ⌀ | completion stringlengths 25 140 ⌀ |
|---|---|---|---|---|
What can be looked at to see a record of how horses evolved? | [
"pattern records",
"carbon dating",
"erosion records",
"fossil records"
] | fossil records | Answer the following multiple-choice question.
Question: What can be looked at to see a record of how horses evolved?
Options:
A. pattern records
B. carbon dating
C. erosion records
D. fossil records
Which option is correct and why? | The correct answer is: fossil records. |
Water vapor turning from a gas into a liquid causes what? | [
"sweat",
"storms",
"Drought",
"heat",
"cracks",
"Hail",
"Rain",
"Snow"
] | Rain | Answer the following multiple-choice question.
Question: Water vapor turning from a gas into a liquid causes what?
Options:
A. sweat
B. storms
C. Drought
D. heat
E. cracks
F. Hail
G. Rain
H. Snow
Which option is correct and why? | The correct answer is: Rain. |
A mitotic spindle forms from the centrioles and passes through the nuclear membrane, which remains intact. chromosomes attach to the mitotic spindle, which separates the chromosomes and does what? | [
"migrates the cell",
"elongates the cell",
"destroys the cell",
"manipulates the cell"
] | elongates the cell | Answer the following multiple-choice question.
Question: A mitotic spindle forms from the centrioles and passes through the nuclear membrane, which remains intact. chromosomes attach to the mitotic spindle, which separates the chromosomes and does what?
Options:
A. migrates the cell
B. elongates the cell
C. destroys the cell
D. manipulates the cell
Which option is correct and why? | The correct answer is: elongates the cell. |
What does rising and sinking air influence in a region? | [
"erosion",
"precipitation",
"temperature",
"tides"
] | precipitation | Answer the following multiple-choice question.
Question: What does rising and sinking air influence in a region?
Options:
A. erosion
B. precipitation
C. temperature
D. tides
Which option is correct and why? | The correct answer is: precipitation. |
What lipid, added to certain foods to keep them fresher longer, increases the risk of heart disease? | [
"Omega-3 fatty acids",
"cholesterol",
"fatty acids",
"trans fat"
] | trans fat | Answer the following multiple-choice question.
Question: What lipid, added to certain foods to keep them fresher longer, increases the risk of heart disease?
Options:
A. Omega-3 fatty acids
B. cholesterol
C. fatty acids
D. trans fat
Which option is correct and why? | The correct answer is: trans fat. |
What kind of diagrams can be used to illustrate electron movements and ion formation? | [
"electron dot diagrams",
"contour maps",
"atomic models",
"venn diagrams"
] | electron dot diagrams | Answer the following multiple-choice question.
Question: What kind of diagrams can be used to illustrate electron movements and ion formation?
Options:
A. electron dot diagrams
B. contour maps
C. atomic models
D. venn diagrams
Which option is correct and why? | The correct answer is: electron dot diagrams. |
What is the exchange of energy from one part of the universe to another called? | [
"temperature",
"cold",
"heat",
"humidity"
] | heat | Answer the following multiple-choice question.
Question: What is the exchange of energy from one part of the universe to another called?
Options:
A. temperature
B. cold
C. heat
D. humidity
Which option is correct and why? | The correct answer is: heat. |
High temperatures can cause objects to what? | [
"Movement",
"freeze",
"chill",
"ice over",
"Pollution",
"deadly",
"explode",
"Bend"
] | explode | Answer the following multiple-choice question.
Question: High temperatures can cause objects to what?
Options:
A. Movement
B. freeze
C. chill
D. ice over
E. Pollution
F. deadly
G. explode
H. Bend
Which option is correct and why? | The correct answer is: explode. |
How do mammals generate heat? | [
"freezing",
"Ice cubes",
"layers of fat",
"Taking pictures",
"with their fur",
"energy of moving objects",
"Consuming calories",
"Movement of an air mass"
] | Consuming calories | Answer the following multiple-choice question.
Question: How do mammals generate heat?
Options:
A. freezing
B. Ice cubes
C. layers of fat
D. Taking pictures
E. with their fur
F. energy of moving objects
G. Consuming calories
H. Movement of an air mass
Which option is correct and why? | The correct answer is: Consuming calories. |
A lone fox is searching for its next meal in a meadow that used to be bountiful with food. This season, though, rabbits have all been eaten up and the field is dry and barren. The fox may | [
"fly",
"say something",
"hibernate",
"starve"
] | starve | Answer the following multiple-choice question.
Question: A lone fox is searching for its next meal in a meadow that used to be bountiful with food. This season, though, rabbits have all been eaten up and the field is dry and barren. The fox may
Options:
A. fly
B. say something
C. hibernate
D. starve
Which option is correct and why? | The correct answer is: starve. |
Why would it be summer one day and fall another day? | [
"the earth's position compared to the sun has shifted",
"rain has started falling",
"leaves have fallen from the trees",
"the squirrels are gathering nuts"
] | the earth's position compared to the sun has shifted | Answer the following multiple-choice question.
Question: Why would it be summer one day and fall another day?
Options:
A. the earth's position compared to the sun has shifted
B. rain has started falling
C. leaves have fallen from the trees
D. the squirrels are gathering nuts
Which option is correct and why? | The correct answer is: the earth's position compared to the sun has shifted. |
Name a passageway that is shared with the digestive system. | [
"esophagus",
"larynx",
"trachea",
"pharynx"
] | pharynx | Answer the following multiple-choice question.
Question: Name a passageway that is shared with the digestive system.
Options:
A. esophagus
B. larynx
C. trachea
D. pharynx
Which option is correct and why? | The correct answer is: pharynx. |
What two types of juices help digestion within the small intestine? | [
"chyme and phloem",
"amniotic fluid, bile",
"bile and lymph",
"intestinal and pancreatic"
] | intestinal and pancreatic | Answer the following multiple-choice question.
Question: What two types of juices help digestion within the small intestine?
Options:
A. chyme and phloem
B. amniotic fluid, bile
C. bile and lymph
D. intestinal and pancreatic
Which option is correct and why? | The correct answer is: intestinal and pancreatic. |
moving what into muscles can increase a body's strength? | [
"forces",
"urine",
"glucose",
"Energy.",
"semen",
"movement",
"candy",
"energy"
] | glucose | Answer the following multiple-choice question.
Question: moving what into muscles can increase a body's strength?
Options:
A. forces
B. urine
C. glucose
D. Energy.
E. semen
F. movement
G. candy
H. energy
Which option is correct and why? | The correct answer is: glucose. |
Warm body temperature requires what? | [
"muscles",
"water",
"energy",
"food",
"Energy.",
"stamina",
"warmth",
"Oxygen"
] | water | Answer the following multiple-choice question.
Question: Warm body temperature requires what?
Options:
A. muscles
B. water
C. energy
D. food
E. Energy.
F. stamina
G. warmth
H. Oxygen
Which option is correct and why? | The correct answer is: water. |
What do flames convert chemical energy into? | [
"light and heat energy",
"heating liquids",
"electrical energy",
"Firecrackers",
"sonic energy",
"Something that causes allergies",
"kinetic energy",
"gravitational energy"
] | light and heat energy | Answer the following multiple-choice question.
Question: What do flames convert chemical energy into?
Options:
A. light and heat energy
B. heating liquids
C. electrical energy
D. Firecrackers
E. sonic energy
F. Something that causes allergies
G. kinetic energy
H. gravitational energy
Which option is correct and why? | The correct answer is: light and heat energy. |
Some human activities may create brackish like | [
"swimming tubs",
"buildings",
"ships",
"cars"
] | swimming tubs | Answer the following multiple-choice question.
Question: Some human activities may create brackish like
Options:
A. swimming tubs
B. buildings
C. ships
D. cars
Which option is correct and why? | The correct answer is: swimming tubs. |
What is consumed by people worldwide? | [
"Energy.",
"wheat",
"durian",
"food",
"nectar",
"tofu",
"insects",
"Energy"
] | wheat | Answer the following multiple-choice question.
Question: What is consumed by people worldwide?
Options:
A. Energy.
B. wheat
C. durian
D. food
E. nectar
F. tofu
G. insects
H. Energy
Which option is correct and why? | The correct answer is: wheat. |
Ethologists usually study how what behaves in their habitats? | [
"poachers",
"parasites",
"vegetation",
"seasons",
"hunters",
"fishermen",
"animals",
"plant life"
] | animals | Answer the following multiple-choice question.
Question: Ethologists usually study how what behaves in their habitats?
Options:
A. poachers
B. parasites
C. vegetation
D. seasons
E. hunters
F. fishermen
G. animals
H. plant life
Which option is correct and why? | The correct answer is: animals. |
Catabolism and anabolism are the two types of what? | [
"cells",
"calcium",
"heart rate",
"metabolism"
] | metabolism | Answer the following multiple-choice question.
Question: Catabolism and anabolism are the two types of what?
Options:
A. cells
B. calcium
C. heart rate
D. metabolism
Which option is correct and why? | The correct answer is: metabolism. |
where are mushrooms found? | [
"ocean",
"mountains",
"vegetation",
"loose dirt",
"limestone",
"compost",
"metal",
"loose soil"
] | compost | Answer the following multiple-choice question.
Question: where are mushrooms found?
Options:
A. ocean
B. mountains
C. vegetation
D. loose dirt
E. limestone
F. compost
G. metal
H. loose soil
Which option is correct and why? | The correct answer is: compost. |
Lysosomes have what type of enzymes that break down old molecules into parts that can be recycled? | [
"bacterial",
"corrosive",
"probiotics",
"digestive"
] | digestive | Answer the following multiple-choice question.
Question: Lysosomes have what type of enzymes that break down old molecules into parts that can be recycled?
Options:
A. bacterial
B. corrosive
C. probiotics
D. digestive
Which option is correct and why? | The correct answer is: digestive. |
Where is the guinea worm a serious problem? | [
"africa",
"ukraine",
"russia",
"florida"
] | africa | Answer the following multiple-choice question.
Question: Where is the guinea worm a serious problem?
Options:
A. africa
B. ukraine
C. russia
D. florida
Which option is correct and why? | The correct answer is: africa. |
what can kill an organism? | [
"water",
"direct sunlight",
"hyperthyroidism",
"influenza",
"magnets",
"wind",
"Pollution",
"Pesticides"
] | direct sunlight | Answer the following multiple-choice question.
Question: what can kill an organism?
Options:
A. water
B. direct sunlight
C. hyperthyroidism
D. influenza
E. magnets
F. wind
G. Pollution
H. Pesticides
Which option is correct and why? | The correct answer is: direct sunlight. |
What is the leading cause of skin cancer? | [
"dehydration",
"artificial light",
"smoking",
"sunlight"
] | sunlight | Answer the following multiple-choice question.
Question: What is the leading cause of skin cancer?
Options:
A. dehydration
B. artificial light
C. smoking
D. sunlight
Which option is correct and why? | The correct answer is: sunlight. |
What happens when a hemisphere is tilted away from the sun? | [
"cools",
"nothing",
"heats",
"warms"
] | cools | Answer the following multiple-choice question.
Question: What happens when a hemisphere is tilted away from the sun?
Options:
A. cools
B. nothing
C. heats
D. warms
Which option is correct and why? | The correct answer is: cools. |
What does glass bend? | [
"a wave",
"water",
"lenses",
"Joules",
"fibers",
"light",
"wind",
"air"
] | light | Answer the following multiple-choice question.
Question: What does glass bend?
Options:
A. a wave
B. water
C. lenses
D. Joules
E. fibers
F. light
G. wind
H. air
Which option is correct and why? | The correct answer is: light. |
What is the term for the fast-moving air currents high in the troposphere? | [
"ocean streams",
"gale force winds",
"global winds",
"jet streams"
] | jet streams | Answer the following multiple-choice question.
Question: What is the term for the fast-moving air currents high in the troposphere?
Options:
A. ocean streams
B. gale force winds
C. global winds
D. jet streams
Which option is correct and why? | The correct answer is: jet streams. |
What requires nutrients for survival? | [
"buildings",
"rocks",
"badgers",
"clouds"
] | badgers | Answer the following multiple-choice question.
Question: What requires nutrients for survival?
Options:
A. buildings
B. rocks
C. badgers
D. clouds
Which option is correct and why? | The correct answer is: badgers. |
What can be produced when electrical energy is provided to a blown piece of glass with a wire inside? | [
"luminescence",
"lifeforce",
"sound",
"Water"
] | luminescence | Answer the following multiple-choice question.
Question: What can be produced when electrical energy is provided to a blown piece of glass with a wire inside?
Options:
A. luminescence
B. lifeforce
C. sound
D. Water
Which option is correct and why? | The correct answer is: luminescence. |
What element has an atomic number of 6? | [
"silicon",
"carbon",
"oxygen",
"hydrogen"
] | carbon | Answer the following multiple-choice question.
Question: What element has an atomic number of 6?
Options:
A. silicon
B. carbon
C. oxygen
D. hydrogen
Which option is correct and why? | The correct answer is: carbon. |
What is the term for the spacing of individuals within a population? | [
"dispersion",
"population density",
"equilibrium",
"suspension"
] | dispersion | Answer the following multiple-choice question.
Question: What is the term for the spacing of individuals within a population?
Options:
A. dispersion
B. population density
C. equilibrium
D. suspension
Which option is correct and why? | The correct answer is: dispersion. |
The major component of a solution is called what? | [
"solute",
"water",
"mixture",
"solvent"
] | solvent | Answer the following multiple-choice question.
Question: The major component of a solution is called what?
Options:
A. solute
B. water
C. mixture
D. solvent
Which option is correct and why? | The correct answer is: solvent. |
an image in a mirror is formed by reflecting | [
"sunlight",
"radiation",
"atoms",
"gravitions",
"Joules",
"photons",
"sun's heat",
"Smooth"
] | photons | Answer the following multiple-choice question.
Question: an image in a mirror is formed by reflecting
Options:
A. sunlight
B. radiation
C. atoms
D. gravitions
E. Joules
F. photons
G. sun's heat
H. Smooth
Which option is correct and why? | The correct answer is: photons. |
What secures together immovable joints and prevents them from moving? | [
"dense cartilage",
"dense collagen",
"light cartilage",
"light collagen"
] | dense collagen | Answer the following multiple-choice question.
Question: What secures together immovable joints and prevents them from moving?
Options:
A. dense cartilage
B. dense collagen
C. light cartilage
D. light collagen
Which option is correct and why? | The correct answer is: dense collagen. |
Glaciers modify the landscape by what? | [
"silt",
"truncation",
"erosion",
"sediment"
] | erosion | Answer the following multiple-choice question.
Question: Glaciers modify the landscape by what?
Options:
A. silt
B. truncation
C. erosion
D. sediment
Which option is correct and why? | The correct answer is: erosion. |
The values of which factors are controlled by the experimenter over the course of an experiment? | [
"independent variables",
"independent approaches",
"independent elements",
"other variables"
] | independent variables | Answer the following multiple-choice question.
Question: The values of which factors are controlled by the experimenter over the course of an experiment?
Options:
A. independent variables
B. independent approaches
C. independent elements
D. other variables
Which option is correct and why? | The correct answer is: independent variables. |
Which would be formed by layering sediment over time? | [
"ammonite",
"shells",
"ominous",
"ammunition"
] | ammonite | Answer the following multiple-choice question.
Question: Which would be formed by layering sediment over time?
Options:
A. ammonite
B. shells
C. ominous
D. ammunition
Which option is correct and why? | The correct answer is: ammonite. |
Reproduction in prokaryotic cells is by what process of growth, enlargement and division? | [
"binary fission",
"mitosis",
"photosynthesis",
"budding"
] | binary fission | Answer the following multiple-choice question.
Question: Reproduction in prokaryotic cells is by what process of growth, enlargement and division?
Options:
A. binary fission
B. mitosis
C. photosynthesis
D. budding
Which option is correct and why? | The correct answer is: binary fission. |
what uses cell division to grow and repair themselves? | [
"animals",
"humans",
"plants",
"trees",
"volume",
"battery cells",
"ferns",
"density"
] | humans | Answer the following multiple-choice question.
Question: what uses cell division to grow and repair themselves?
Options:
A. animals
B. humans
C. plants
D. trees
E. volume
F. battery cells
G. ferns
H. density
Which option is correct and why? | The correct answer is: humans. |
What orifice in the body is particularly helpful in both digestion and respiration? | [
"nostril",
"mouth",
"nose",
"anus"
] | mouth | Answer the following multiple-choice question.
Question: What orifice in the body is particularly helpful in both digestion and respiration?
Options:
A. nostril
B. mouth
C. nose
D. anus
Which option is correct and why? | The correct answer is: mouth. |
Herbivores like to dine on | [
"gravel",
"other herbivores",
"crustaceans",
"chlorophyll"
] | chlorophyll | Answer the following multiple-choice question.
Question: Herbivores like to dine on
Options:
A. gravel
B. other herbivores
C. crustaceans
D. chlorophyll
Which option is correct and why? | The correct answer is: chlorophyll. |
null | null | null | null | null |
What are mudskipper fish able to do in short distances? | [
"walk",
"tumble",
"spit",
"run"
] | walk | Answer the following multiple-choice question.
Question: What are mudskipper fish able to do in short distances?
Options:
A. walk
B. tumble
C. spit
D. run
Which option is correct and why? | The correct answer is: walk. |
null | null | null | null | null |
What physical process occurs when large chunks of food are broken down into smaller pieces? | [
"swallowing",
"mechanical digestion",
"chemical digestion",
"peristalsis"
] | mechanical digestion | Answer the following multiple-choice question.
Question: What physical process occurs when large chunks of food are broken down into smaller pieces?
Options:
A. swallowing
B. mechanical digestion
C. chemical digestion
D. peristalsis
Which option is correct and why? | The correct answer is: mechanical digestion. |
A human can, merely by pushing on it, cause a visible alteration in the shape of a | [
"manly sculpture",
"inhumanly tall building",
"plastic dinner container",
"standard burning sun"
] | plastic dinner container | Answer the following multiple-choice question.
Question: A human can, merely by pushing on it, cause a visible alteration in the shape of a
Options:
A. manly sculpture
B. inhumanly tall building
C. plastic dinner container
D. standard burning sun
Which option is correct and why? | The correct answer is: plastic dinner container. |
What does the secondary oocyte have the most of from the original cell? | [
"cytoplasm",
"rna",
"electron",
"bacteria"
] | cytoplasm | Answer the following multiple-choice question.
Question: What does the secondary oocyte have the most of from the original cell?
Options:
A. cytoplasm
B. rna
C. electron
D. bacteria
Which option is correct and why? | The correct answer is: cytoplasm. |
Which human is more likely to be free of scars | [
"a pro athlete",
"an active kid",
"an old man",
"an unborn boy"
] | an unborn boy | Answer the following multiple-choice question.
Question: Which human is more likely to be free of scars
Options:
A. a pro athlete
B. an active kid
C. an old man
D. an unborn boy
Which option is correct and why? | The correct answer is: an unborn boy. |
animals replenish their bodily water after a signal that it's time to what? | [
"breathe",
"health",
"move",
"drink",
"Cooking",
"survive",
"rest",
"sleep"
] | drink | Answer the following multiple-choice question.
Question: animals replenish their bodily water after a signal that it's time to what?
Options:
A. breathe
B. health
C. move
D. drink
E. Cooking
F. survive
G. rest
H. sleep
Which option is correct and why? | The correct answer is: drink. |
What is the energy needed to start a reaction between catalysts and reactants called? | [
"activation energy",
"decomposition energy",
"conductivity energy",
"reaction energy"
] | activation energy | Answer the following multiple-choice question.
Question: What is the energy needed to start a reaction between catalysts and reactants called?
Options:
A. activation energy
B. decomposition energy
C. conductivity energy
D. reaction energy
Which option is correct and why? | The correct answer is: activation energy. |
null | null | null | null | null |
What is a result of genetic material being exchanged during reproduction? | [
"sperm",
"pollen",
"Diversity",
"mutations",
"flowers",
"chromosomes",
"seeds",
"gene flow"
] | Diversity | Answer the following multiple-choice question.
Question: What is a result of genetic material being exchanged during reproduction?
Options:
A. sperm
B. pollen
C. Diversity
D. mutations
E. flowers
F. chromosomes
G. seeds
H. gene flow
Which option is correct and why? | The correct answer is: Diversity. |
What helps to keep the body warm and protect it in a variety of climates? | [
"wooly",
"snow",
"rain",
"fur",
"coats",
"stones",
"skin",
"hair"
] | hair | Answer the following multiple-choice question.
Question: What helps to keep the body warm and protect it in a variety of climates?
Options:
A. wooly
B. snow
C. rain
D. fur
E. coats
F. stones
G. skin
H. hair
Which option is correct and why? | The correct answer is: hair. |
Scientists measure the gases that escape from a volcano to predict what? | [
"eruptions",
"floods",
"snowfall",
"storms"
] | eruptions | Answer the following multiple-choice question.
Question: Scientists measure the gases that escape from a volcano to predict what?
Options:
A. eruptions
B. floods
C. snowfall
D. storms
Which option is correct and why? | The correct answer is: eruptions. |
What changes into coal when buried under soil and mud? | [
"rocks",
"sun",
"animals",
"cellulose",
"moon",
"plants",
"Newton",
"tunicates"
] | plants | Answer the following multiple-choice question.
Question: What changes into coal when buried under soil and mud?
Options:
A. rocks
B. sun
C. animals
D. cellulose
E. moon
F. plants
G. Newton
H. tunicates
Which option is correct and why? | The correct answer is: plants. |
A short reflex is completely what and only involves the local integration of sensory input with motor output? | [
"physiological",
"neuronal",
"central",
"peripheral"
] | peripheral | Answer the following multiple-choice question.
Question: A short reflex is completely what and only involves the local integration of sensory input with motor output?
Options:
A. physiological
B. neuronal
C. central
D. peripheral
Which option is correct and why? | The correct answer is: peripheral. |
A fight and flight response happens after an animal is what? | [
"threatens",
"dormant state",
"mating",
"inactive",
"eats",
"imbalanced",
"kills",
"fights"
] | threatens | Answer the following multiple-choice question.
Question: A fight and flight response happens after an animal is what?
Options:
A. threatens
B. dormant state
C. mating
D. inactive
E. eats
F. imbalanced
G. kills
H. fights
Which option is correct and why? | The correct answer is: threatens. |
Aids is an infectious disease of which system? | [
"immune",
"muscular",
"endocrine",
"digestion"
] | immune | Answer the following multiple-choice question.
Question: Aids is an infectious disease of which system?
Options:
A. immune
B. muscular
C. endocrine
D. digestion
Which option is correct and why? | The correct answer is: immune. |
What device is used to measure temperature? | [
"thermometer",
"anemometer",
"barometer",
"compass"
] | thermometer | Answer the following multiple-choice question.
Question: What device is used to measure temperature?
Options:
A. thermometer
B. anemometer
C. barometer
D. compass
Which option is correct and why? | The correct answer is: thermometer. |
Our eyes can help us with | [
"a radio recording",
"shove from behind",
"a label",
"a loud noise"
] | a label | Answer the following multiple-choice question.
Question: Our eyes can help us with
Options:
A. a radio recording
B. shove from behind
C. a label
D. a loud noise
Which option is correct and why? | The correct answer is: a label. |
What is transmitted by moving electrons in an electric current? | [
"electrical energy",
"subsequent energy",
"potential energy",
"stellar energy"
] | electrical energy | Answer the following multiple-choice question.
Question: What is transmitted by moving electrons in an electric current?
Options:
A. electrical energy
B. subsequent energy
C. potential energy
D. stellar energy
Which option is correct and why? | The correct answer is: electrical energy. |
What is captured by the sticky structure at the top of the style called the stigma? | [
"precipitation",
"sunlight",
"fungi",
"pollen"
] | pollen | Answer the following multiple-choice question.
Question: What is captured by the sticky structure at the top of the style called the stigma?
Options:
A. precipitation
B. sunlight
C. fungi
D. pollen
Which option is correct and why? | The correct answer is: pollen. |
Which relationship involves inheritance of genetics? | [
"mother-daughter",
"friend-friend",
"teacher-student",
"husband-wife"
] | mother-daughter | Answer the following multiple-choice question.
Question: Which relationship involves inheritance of genetics?
Options:
A. mother-daughter
B. friend-friend
C. teacher-student
D. husband-wife
Which option is correct and why? | The correct answer is: mother-daughter. |
A student is studying different aspects of science, and today's area is magnetic properties. The student has a magnet, and is testing which sort of objects the magnet will have an attraction to. The student is surprised that the magnet tugs itself towards | [
"a plastic cup",
"a plaster wall",
"a grey stone",
"a paper plate"
] | a grey stone | Answer the following multiple-choice question.
Question: A student is studying different aspects of science, and today's area is magnetic properties. The student has a magnet, and is testing which sort of objects the magnet will have an attraction to. The student is surprised that the magnet tugs itself towards
Options:
A. a plastic cup
B. a plaster wall
C. a grey stone
D. a paper plate
Which option is correct and why? | The correct answer is: a grey stone. |
Water in a sealed jar might do what when placed in the freezer? | [
"evaporate",
"break it",
"melt",
"run off"
] | break it | Answer the following multiple-choice question.
Question: Water in a sealed jar might do what when placed in the freezer?
Options:
A. evaporate
B. break it
C. melt
D. run off
Which option is correct and why? | The correct answer is: break it. |
lack of _ causes low amounts of rainfall | [
"drought",
"humidity",
"heat",
"Dehydration",
"less water",
"flooding",
"oxygen",
"nitrogen"
] | humidity | Answer the following multiple-choice question.
Question: lack of _ causes low amounts of rainfall
Options:
A. drought
B. humidity
C. heat
D. Dehydration
E. less water
F. flooding
G. oxygen
H. nitrogen
Which option is correct and why? | The correct answer is: humidity. |
What process that begins in utero during fetal development and continues on into adolescence involves closing of the skull? | [
"calcification",
"elongation",
"incubation",
"ossification"
] | ossification | Answer the following multiple-choice question.
Question: What process that begins in utero during fetal development and continues on into adolescence involves closing of the skull?
Options:
A. calcification
B. elongation
C. incubation
D. ossification
Which option is correct and why? | The correct answer is: ossification. |
More uv rays reach the ground due to a decrease in what layer in the stratosphere? | [
"smog",
"gases",
"troposphere",
"ozone"
] | ozone | Answer the following multiple-choice question.
Question: More uv rays reach the ground due to a decrease in what layer in the stratosphere?
Options:
A. smog
B. gases
C. troposphere
D. ozone
Which option is correct and why? | The correct answer is: ozone. |
What do we call the mathematical field of study credited to french mathematician-philosopher rene descartes? | [
"Euclidean geometry",
"algebra",
"calculus",
"cartesian geometry"
] | cartesian geometry | Answer the following multiple-choice question.
Question: What do we call the mathematical field of study credited to french mathematician-philosopher rene descartes?
Options:
A. Euclidean geometry
B. algebra
C. calculus
D. cartesian geometry
Which option is correct and why? | The correct answer is: cartesian geometry. |
The population of zebras is stagnant due to a lack of new baby zebras, what will happen over time to the community without support? | [
"sadness",
"resurgence",
"shrinkage",
"regrowth"
] | shrinkage | Answer the following multiple-choice question.
Question: The population of zebras is stagnant due to a lack of new baby zebras, what will happen over time to the community without support?
Options:
A. sadness
B. resurgence
C. shrinkage
D. regrowth
Which option is correct and why? | The correct answer is: shrinkage. |
What is the main makeup of the cell membrane? | [
"filaments",
"glucose",
"phospholipids",
"antibodies"
] | phospholipids | Answer the following multiple-choice question.
Question: What is the main makeup of the cell membrane?
Options:
A. filaments
B. glucose
C. phospholipids
D. antibodies
Which option is correct and why? | The correct answer is: phospholipids. |
In harmonic motion there is always what force, which acts in the opposite direction of the velocity? | [
"magnetic force",
"restorative force",
"locomotion force",
"inorganic force"
] | restorative force | Answer the following multiple-choice question.
Question: In harmonic motion there is always what force, which acts in the opposite direction of the velocity?
Options:
A. magnetic force
B. restorative force
C. locomotion force
D. inorganic force
Which option is correct and why? | The correct answer is: restorative force. |
null | null | null | null | null |
The heat capacity of an object depends on its chemical composition and what other property? | [
"weight",
"volume",
"concentrations",
"mass"
] | mass | Answer the following multiple-choice question.
Question: The heat capacity of an object depends on its chemical composition and what other property?
Options:
A. weight
B. volume
C. concentrations
D. mass
Which option is correct and why? | The correct answer is: mass. |
Although they look like big rocks, what structures that serve as habitats for many different types of ocean life are actually alive? | [
"southern reefs",
"coral reefs",
"natural reefs",
"new forming reefs"
] | coral reefs | Answer the following multiple-choice question.
Question: Although they look like big rocks, what structures that serve as habitats for many different types of ocean life are actually alive?
Options:
A. southern reefs
B. coral reefs
C. natural reefs
D. new forming reefs
Which option is correct and why? | The correct answer is: coral reefs. |
What does the green matter on plants do? | [
"Absorb light",
"Change colors",
"Shield from sun",
"It expands",
"Protects from predators",
"Drinks water",
"reproduce",
"growth"
] | Absorb light | Answer the following multiple-choice question.
Question: What does the green matter on plants do?
Options:
A. Absorb light
B. Change colors
C. Shield from sun
D. It expands
E. Protects from predators
F. Drinks water
G. reproduce
H. growth
Which option is correct and why? | The correct answer is: Absorb light. |
What protects reptiles from injury and loss of water? | [
"pores",
"scales",
"hairs",
"tail"
] | scales | Answer the following multiple-choice question.
Question: What protects reptiles from injury and loss of water?
Options:
A. pores
B. scales
C. hairs
D. tail
Which option is correct and why? | The correct answer is: scales. |
What do mammals breathe? | [
"lung",
"Air",
"O2",
"Gas",
"Carbon dioxide",
"Urea",
"Heat",
"Moisture"
] | Air | Answer the following multiple-choice question.
Question: What do mammals breathe?
Options:
A. lung
B. Air
C. O2
D. Gas
E. Carbon dioxide
F. Urea
G. Heat
H. Moisture
Which option is correct and why? | The correct answer is: Air. |
cells need to be what regularly to function properly | [
"growth",
"hydration",
"repaired",
"rest",
"frozen",
"plugged in",
"enlarged",
"staying warm"
] | repaired | Answer the following multiple-choice question.
Question: cells need to be what regularly to function properly
Options:
A. growth
B. hydration
C. repaired
D. rest
E. frozen
F. plugged in
G. enlarged
H. staying warm
Which option is correct and why? | The correct answer is: repaired. |
tuna swim extremely fast to catch | [
"sharks",
"kelp",
"anchovies",
"starfish"
] | anchovies | Answer the following multiple-choice question.
Question: tuna swim extremely fast to catch
Options:
A. sharks
B. kelp
C. anchovies
D. starfish
Which option is correct and why? | The correct answer is: anchovies. |
DNA is formed when many what bind together? | [
"they bend",
"strong",
"bioaerosols",
"electrically",
"interact",
"nucleotides",
"parasites",
"Chemical energy"
] | nucleotides | Answer the following multiple-choice question.
Question: DNA is formed when many what bind together?
Options:
A. they bend
B. strong
C. bioaerosols
D. electrically
E. interact
F. nucleotides
G. parasites
H. Chemical energy
Which option is correct and why? | The correct answer is: nucleotides. |
What type of numerical figure is important in considering the precision and accuracy of a number? | [
"insignificant",
"exponent",
"component",
"significant"
] | significant | Answer the following multiple-choice question.
Question: What type of numerical figure is important in considering the precision and accuracy of a number?
Options:
A. insignificant
B. exponent
C. component
D. significant
Which option is correct and why? | The correct answer is: significant. |
What makes toenails and fingernails hard? | [
"guanine",
"keratin",
"cellulose",
"taurine"
] | keratin | Answer the following multiple-choice question.
Question: What makes toenails and fingernails hard?
Options:
A. guanine
B. keratin
C. cellulose
D. taurine
Which option is correct and why? | The correct answer is: keratin. |
Sleep has what impact on health? | [
"negative",
"neutral",
"exercise",
"It expands",
"ambiguous",
"positive",
"sweating",
"movement"
] | positive | Answer the following multiple-choice question.
Question: Sleep has what impact on health?
Options:
A. negative
B. neutral
C. exercise
D. It expands
E. ambiguous
F. positive
G. sweating
H. movement
Which option is correct and why? | The correct answer is: positive. |
What type of rain dissolves limestone and marble? | [
"acid",
"natural",
"sulfur",
"carbon"
] | acid | Answer the following multiple-choice question.
Question: What type of rain dissolves limestone and marble?
Options:
A. acid
B. natural
C. sulfur
D. carbon
Which option is correct and why? | The correct answer is: acid. |
Prokaryotic cells can only regulate gene expression by controlling the amount of what? | [
"RNA processing",
"translation",
"folding",
"transcription"
] | transcription | Answer the following multiple-choice question.
Question: Prokaryotic cells can only regulate gene expression by controlling the amount of what?
Options:
A. RNA processing
B. translation
C. folding
D. transcription
Which option is correct and why? | The correct answer is: transcription. |
What device uses electromagnetic induction to change the voltage of electric current? | [
"electric transformer",
"electric conductor",
"convection device",
"electric combustion"
] | electric transformer | Answer the following multiple-choice question.
Question: What device uses electromagnetic induction to change the voltage of electric current?
Options:
A. electric transformer
B. electric conductor
C. convection device
D. electric combustion
Which option is correct and why? | The correct answer is: electric transformer. |
A circuit must be what in order for electric devices such as light bulbs to work? | [
"closed",
"cyclical",
"open",
"down"
] | closed | Answer the following multiple-choice question.
Question: A circuit must be what in order for electric devices such as light bulbs to work?
Options:
A. closed
B. cyclical
C. open
D. down
Which option is correct and why? | The correct answer is: closed. |
A shuttle quest to Earth's light source would take lots of | [
"muscle and time",
"navigation and speed",
"speed and light",
"fuel and time"
] | fuel and time | Answer the following multiple-choice question.
Question: A shuttle quest to Earth's light source would take lots of
Options:
A. muscle and time
B. navigation and speed
C. speed and light
D. fuel and time
Which option is correct and why? | The correct answer is: fuel and time. |
What part of a plant protects the plant cell, maintains its shape, and prevents excessive uptake of water? | [
"wall",
"chloroplasm",
"stem",
"root"
] | wall | Answer the following multiple-choice question.
Question: What part of a plant protects the plant cell, maintains its shape, and prevents excessive uptake of water?
Options:
A. wall
B. chloroplasm
C. stem
D. root
Which option is correct and why? | The correct answer is: wall. |
At what trophic level is a plant? | [
"lower trophic level",
"higher trophic level",
"the body's largest organ",
"vegetation",
"Something that is self-aware",
"it needs them",
"middle trophic level",
"highest trophic level"
] | lower trophic level | Answer the following multiple-choice question.
Question: At what trophic level is a plant?
Options:
A. lower trophic level
B. higher trophic level
C. the body's largest organ
D. vegetation
E. Something that is self-aware
F. it needs them
G. middle trophic level
H. highest trophic level
Which option is correct and why? | The correct answer is: lower trophic level. |
What term refers to the breaking stress that will cause permanent deformation or fracture of a material? | [
"malleability",
"viscosity",
"elasticity",
"tensile strength"
] | tensile strength | Answer the following multiple-choice question.
Question: What term refers to the breaking stress that will cause permanent deformation or fracture of a material?
Options:
A. malleability
B. viscosity
C. elasticity
D. tensile strength
Which option is correct and why? | The correct answer is: tensile strength. |
What is the boiling and freezing point of water in celcius? | [
"212 degrees c and 0 degrees c",
"100 degrees c and 0 degrees c",
"100 degrees c and 32 degrees c",
"212 degrees c and 32 degrees c"
] | 100 degrees c and 0 degrees c | Answer the following multiple-choice question.
Question: What is the boiling and freezing point of water in celcius?
Options:
A. 212 degrees c and 0 degrees c
B. 100 degrees c and 0 degrees c
C. 100 degrees c and 32 degrees c
D. 212 degrees c and 32 degrees c
Which option is correct and why? | The correct answer is: 100 degrees c and 0 degrees c. |
Thunder clouds are | [
"filled with beautiful music",
"of a significant weight",
"the color light pink",
"take 10 years to form"
] | of a significant weight | Answer the following multiple-choice question.
Question: Thunder clouds are
Options:
A. filled with beautiful music
B. of a significant weight
C. the color light pink
D. take 10 years to form
Which option is correct and why? | The correct answer is: of a significant weight. |
A wound caused by a contaminated object may become: | [
"threatened",
"infected",
"hospital",
"material",
"bacteria",
"limb ripped off",
"imbalanced",
"homogenous"
] | infected | Answer the following multiple-choice question.
Question: A wound caused by a contaminated object may become:
Options:
A. threatened
B. infected
C. hospital
D. material
E. bacteria
F. limb ripped off
G. imbalanced
H. homogenous
Which option is correct and why? | The correct answer is: infected. |
Corn can sometimes | [
"be grown in arctic environments",
"be used as kindling",
"fuel a steam locomotive",
"fuel an economy car"
] | fuel an economy car | Answer the following multiple-choice question.
Question: Corn can sometimes
Options:
A. be grown in arctic environments
B. be used as kindling
C. fuel a steam locomotive
D. fuel an economy car
Which option is correct and why? | The correct answer is: fuel an economy car. |
null | null | null | null | null |
How is plasma formed? | [
"Using money",
"vaporization",
"evaporation",
"Using fear",
"Using blame",
"circulatory system",
"Using energy",
"It gets heated up"
] | Using energy | Answer the following multiple-choice question.
Question: How is plasma formed?
Options:
A. Using money
B. vaporization
C. evaporation
D. Using fear
E. Using blame
F. circulatory system
G. Using energy
H. It gets heated up
Which option is correct and why? | The correct answer is: Using energy. |
Freezing and thawing cause what type of weathering? | [
"loose soil",
"climate",
"mechanical",
"flooding",
"Sediment",
"rivers",
"Metling snow",
"Winter"
] | mechanical | Answer the following multiple-choice question.
Question: Freezing and thawing cause what type of weathering?
Options:
A. loose soil
B. climate
C. mechanical
D. flooding
E. Sediment
F. rivers
G. Metling snow
H. Winter
Which option is correct and why? | The correct answer is: mechanical. |
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