Mirror obqa eval data (bundle)

openbookqa/Main/openbook.txt

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+"A bee is a pollinating animal"
+"A bird is a pollinating animal"
+"An electrical conductor is a vehicle for the flow of electricity"
+"An example of a change in the Earth is an ocean becoming a wooded area"
+"An example of a chemical change is acid breaking down substances"
+"An example of a fossil is a footprint in a rock"
+"An example of a fossil is a paw print in rock"
+"An example of a fossil is the bones of an extinct animal"
+"An example of a mixture is clay mixed together"
+"An example of a reproductive behavior is salmon returning to their birthplace to lay their eggs"
+"An example of a seasonal change is an animal growing thick fur for keeping warm in the winter"
+"An example of a seasonal change is plants becoming dormant in the winter"
+"An example of a seasonal change is plants dying in the winter"
+"An example of an adaptation is camel humps"
+"An example of an inherited behavior is a bird building a nest"
+"An example of an instinct is the kangaroo 's ability to crawl into its mother 's pouch to drink milk"
+"An example of an instinctive behavior is a baby bird pecking at its shell to hatch"
+"An example of avoiding waste is using a material more than once"
+"An example of avoiding waste is using an object more than once"
+"An example of camouflage is an organism looking like leaves"
+"An example of camouflage is when an organism looks like its environment"
+"An example of camouflage is when something changes color in order to have the same color as its environment"
+"An example of camouflage is when something has the same color as its environment"
+"An example of camouflage is when something is the same color as its environment"
+"An example of collecting data is measuring"
+"An example of combining two substances is pouring one substance into the other substance"
+"An example of conservation is avoiding waste"
+"An example of conservation is not using fossil fuel"
+"An example of creating an alternative fuel is turning plant material into fuel"
+"An example of evaporation is a body of water drying up by absorbing heat energy"
+"An example of hibernation is a frog burying itself in mud"
+"An example of hitting something is dropping an object onto that something"
+"An example of hunting is an otter cracking open clams with a rock"
+"An example of migration is birds flying south in the winter"
+"An example of moisture is water vapor in the atmosphere"
+"An example of navigation is directing a boat"
+"An example of playing a musical instrument is hitting the keys of a piano"
+"An example of playing a musical instrument is strumming a guitar string"
+"An example of protecting the environment is creating protected areas"
+"An example of protecting the environment is reducing the amount of pollutants"
+"An example of protecting the environment is reducing the amount of waste"
+"An example of recycling is using an object to make a new object"
+"An example of replacing a natural resource is planting new trees where a forest once stood"
+"An example of reproduction is laying eggs"
+"An example of seed dispersal is animals eating seeds"
+"An example of seed dispersal is is an animal gathering seeds"
+"An example of stormy weather is rain"
+"An example of using tools is a chimpanzee digging for insects with a stick"
+"An example of weathering is when a plant root grows into a crack in rock"
+"An insect is a pollinating animal"
+"August is during the winter in the southern hemisphere"
+"DNA is a vehicle for passing inherited characteristics from parent to offspring"
+"December is during the summer in the southern hemisphere"
+"December is during the winter in the northern hemisphere"
+"Earth 's magnetic patterns are used for finding locations by animals that migrate"
+"Earth 's surface is made of rock"
+"Earth 's tilt on its axis causes seasons to occur"
+"Earth is made of rock"
+"Earth is the planet that is third closest to the Sun"
+"Earth orbiting the Sun causes seasons to change"
+"Galileo Galilei made improvements to the telescope to make better observations of celestial bodies"
+"In the cellular respiration process carbon dioxide is a waste product"
+"In the food chain process a green plant has the role of producer"
+"In the food chain process an animal has the role of consumer which eats other animals for food"
+"In the food chain process an animal has the role of consumer which eats producers for food"
+"In the food chain process bacteria have the role of decomposer"
+"In the food chain process fungi have the role of decomposer"
+"In the food chain process some types of plankton have the role of producer"
+"In the photosynthesis process carbon dioxide has the role of raw material"
+"In the photosynthesis process oxygen has the role of waste product"
+"In the respiration process carbon dioxide is a waste product"
+"In the tree reproduction process a squirrel has the role of seed disperser"
+"January is during the winter in the northern hemisphere"
+"June is during the summer in the northern hemisphere"
+"June is during the winter in the southern hemisphere"
+"Louis Pasteur invented pasteurization"
+"Matter in the gas phase has variable shape"
+"Matter in the gas phase has variable volume"
+"Matter in the liquid phase has definite volume"
+"Matter in the liquid phase has variable shape"
+"Matter in the solid phase has definite shape"
+"Pluto is the planet that is ninth closest to the Sun"
+"Vitamin D heals bones"
+"a Punnett square is used to identify the percent chance of a trait being passed down from a parent to its offspring"
+"a Rotation of the Earth on Earth 's axis takes 1 day"
+"a Rotation of the Earth on itself takes one day"
+"a balance is used for measuring mass of an object"
+"a balance is used for measuring weight of a substance"
+"a balloon contains gas"
+"a barometer is used to measure air pressure"
+"a bat births live young"
+"a battery converts chemical energy into electrical energy"
+"a battery is a source of electrical energy"
+"a beach ball contains gas"
+"a beak is used for catching prey by some birds"
+"a berry contains seeds"
+"a bicycle contains screws"
+"a bird is warm-blooded"
+"a body of water is a source of water"
+"a bubble contains gas"
+"a cactus stem is used for storing water"
+"a cactus stores water"
+"a camera is used for recording images"
+"a candle is a source of light when it is burned"
+"a canyon forming occurs over a period of millions of years"
+"a canyon is made of rocks"
+"a car engine is a source of heat"
+"a car engine usually converts gasoline into motion and heat through combustion"
+"a carbonated beverage contains dissolved carbon dioxide"
+"a cavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone"
+"a chipmunk eats acorns"
+"a chloroplast contains chlorophyll"
+"a closed circuit has continuous path"
+"a community is made of many types of organisms in an area"
+"a compass 's needle lines up with Earth 's magnetic poles"
+"a compass is a kind of tool for determining direction by pointing north"
+"a compass is used to navigate oceans"
+"a compass is used to navigate seas"
+"a complete electrical circuit is a source of electrical energy"
+"a complete revolution of the Earth around the sun takes one Earth year"
+"a complete revolution of the Earth around the sun takes one solar year"
+"a computer controls a robot"
+"a consumer can not produce its own food"
+"a cycle happens repeatedly"
+"a cycle occurs repeatedly"
+"a decrease in visibility while driving can cause people to crash their car"
+"a deer lives in a forest"
+"a dense forest environment is often dark in color"
+"a desert environment contains very little food"
+"a desert environment has low rainfall"
+"a desert environment is dry"
+"a desert environment is low in availability of water"
+"a desert environment is usually hot in temperature"
+"a desert environment usually has a lot of sunlight"
+"a different moon phase occurs once per week"
+"a disperser disperses"
+"a doorbell converts electrical energy into sound"
+"a female insect lays eggs during the adult stage of an insect 's life cycle"
+"a fish lives in water"
+"a flashlight converts chemical energy into light energy"
+"a flashlight emits light"
+"a flashlight requires a source of electricity to produce light"
+"a flower 's purpose is to produce seeds"
+"a flower is a source of nectar"
+"a flower produces pollen and seeds"
+"a force acting on an object in the opposite direction that the object is moving can cause that object 's speed to decrease in a forward motion"
+"a force continually acting on an object in the same direction that the object is moving can cause that object 's speed to increase in a forward motion"
+"a forest environment is often green in color"
+"a forest environment receives more rainfall than a desert"
+"a frog eats insects"
+"a glacier causes mechanical weathering"
+"a glacier is made of ice"
+"a glacier moves slowly"
+"a graduated cylinder is a kind of instrument for measuring volume of liquids or objects"
+"a graduated cylinder is used to measure volume of an object"
+"a grassland environment receives more rainfall than a desert"
+"a greenhouse is used to protect plants by keeping them warm"
+"a greenhouse is used to protect plants from the cold"
+"a hand dryer produces heat"
+"a hot plate is a source of heat"
+"a hot something is a source of heat"
+"a hot substance is a source of heat"
+"a human can pedal a bicycle"
+"a human requires rest to be healthy"
+"a human requires sleep to be healthy"
+"a kettle is formed when chunks of ice left by glaciers melt"
+"a landfill is a source of pollution"
+"a landslide is when gravity rapidly moves rocks or soil downhill especially after a rain storm"
+"a laser is used for producing light"
+"a leaf absorbs sunlight to perform photosynthesis"
+"a leaf performs photosynthesis"
+"a lever is used for moving heavy objects"
+"a light bulb converts electrical energy into light energy when it is turned on"
+"a light bulb requires electrical energy to produce light"
+"a line graph is used for showing change over time"
+"a living thing is made of cells"
+"a living thing requires nutrients to grow"
+"a magnet attracts ferromagnetic metals through magnetism"
+"a magnet attracts magnetic metals through magnetism"
+"a mammal is warm-blooded"
+"a mammal usually nurses its offspring"
+"a mammal usually nurses its young"
+"a meter stick is used to measure length"
+"a mirror is used for reflecting light"
+"a mirror reflects light"
+"a monkey births live young"
+"a moth undergoes metamorphosis"
+"a mother births offspring"
+"a mouse gives birth to live young"
+"a nest is made of branches"
+"a new season occurs four times per year"
+"a new season occurs once per three months"
+"a paper clip is often made of ferromagnetic metals"
+"a phase change is when matter changes from one state into another state"
+"a plane travels through the atmosphere"
+"a planet is exposed to the heat of the star around which it revolves"
+"a planet rotating causes cycles of day and night on that planet"
+"a plant 's roots slowly break down rocks as the roots grow"
+"a plant absorbs carbon dioxide from the air for photosynthesis"
+"a plant cell contains chloroplasts"
+"a plant light is used for help plants by mimicking sunlight"
+"a plant requires a specific climate to grow and survive"
+"a plant requires photosynthesis to grow"
+"a plant requires soil for to grow"
+"a plant requires sunlight for photosynthesis"
+"a plant requires sunlight to grow"
+"a plant requires water to grow"
+"a plant stem contains a system of tubes for transporting water and nutrients to other parts of the plant"
+"a plant stem is the vehicle for transporting water and food from roots to the rest of the plant"
+"a plants require water for to grow"
+"a plateau is formed by a buildup of cooled lava"
+"a polar bear requires a cold environment"
+"a pollutions standard is a kind of standard for reducing pollutants emitted by factories"
+"a predator eats other animals for food"
+"a prism refracts light"
+"a producer is a source of energy for consumers"
+"a producer is a source of sugar in an ecosystem"
+"a producer produces its own food"
+"a pulley is used for lifting objects"
+"a pulley is used to lift a flag on a flagpole"
+"a pumpkin contains seeds"
+"a quartz is made of six-sided transparent crystals"
+"a radiator is a source of heat"
+"a radio is used for communication"
+"a rainbow is formed by refraction of light by splitting light into all different colors"
+"a reflector is used to reflect light especially on vehicles"
+"a renewable resource can be renewed"
+"a renewable resource can be replaced"
+"a reptile is cold-blooded"
+"a revolution is when something revolves around something else"
+"a revolution of the moon around the Earth takes 1 month"
+"a riverbank is made of soil"
+"a rocket engine is used to produce thrust by pushing gases out at a high speed"
+"a ruler is used for measuring the length of an object"
+"a salamander eats insects"
+"a sandbar is formed by water moving sediment downstream"
+"a satellite orbits a planet"
+"a scale is used for measuring weight"
+"a scar is an acquired characteristic"
+"a sea turtle lives in the ocean"
+"a seed is used for storing food for a new plant"
+"a seismograph is a kind of tool for measuring the size of an earthquake"
+"a seismograph is used for measuring the size of an earthquake"
+"a seismometer is used to measure the strength or magnitude of an earthquake"
+"a shower is a source of hot water for washing"
+"a sifter is used for separating mixtures"
+"a simple machine requires mechanical energy to function"
+"a single-cell organism can survive without the help of other cells"
+"a single-cell organism cannot specialize"
+"a skinny beak is used for obtaining food by a bird from small spaces"
+"a skunk produces a bad odor"
+"a soda can is made of aluminum"
+"a solar eclipse could only happen during the new moon"
+"a solar panel converts sunlight into electricity"
+"a solution is made of one substance dissolved in another substance"
+"a source of something supplies that something"
+"a spider web is used to capture food by spiders"
+"a squid produces thrust by pushing water out of its body"
+"a star is a source of light energy through nuclear reactions"
+"a star is a source of light through nuclear reactions"
+"a star is made of gases"
+"a stem is a source of support for a plant"
+"a stem is used to store water by some plants"
+"a stinger is used for defense by a wasp"
+"a stopwatch is used to measure time"
+"a stove generates heat for cooking usually"
+"a switch is used to stop the flow of current in an electrical circuit"
+"a tape measure is used to measure distance"
+"a tape measure is used to measure length"
+"a tectonic plate moves along a fault line"
+"a telescope is used for observing stars"
+"a telescope is used for observing the sky"
+"a thermal conductor is made of materials that conduct thermal energy"
+"a thermal energy conductor transfers heat from hotter objects to cooler objects"
+"a thermal insulator slows the transfer of heat"
+"a thermometer is used to measure temperature"
+"a toaster converts electrical energy into heat energy for toasting"
+"a tree can be replaced by planting a new tree"
+"a tree growing a tree-growth ring occurs once per year"
+"a tree is a source of food for animals in an ecosystem"
+"a tree is a source of food for birds in an ecosystem"
+"a trunk is a source of support for a tree"
+"a valley is formed by a river flowing"
+"a warm front causes cloudy and rainy weather"
+"a warm something is a source of heat"
+"a white object reflects all visible light"
+"a windmill converts wind energy into electricity"
+"a windmill does not create pollution"
+"absorbing sunlight causes objects to heat"
+"acid can cause chemical change"
+"acid rain has a negative impact on water quality"
+"adaptation is when an organism develops a trait over time for survival"
+"adaptations are used for survival"
+"adding heat to an object sometimes causes chemical reactions"
+"adding heat to something kills viruses in that something"
+"adding salt to a liquid decreases the melting point of that liquid"
+"adding salt to a solid decreases the freezing point of that solid"
+"adult amphibians live on land"
+"adulthood is a stage in the life cycle process"
+"air is a vehicle for sound"
+"algae is found in bodies of water"
+"all animals breathe"
+"all cells perform cellular respiration"
+"all living things eliminate waste"
+"all living things grow"
+"all minerals are formed by natural geological processes"
+"alligators eat fish"
+"alloys are made of two or more metals"
+"alternative fuel is usually a renewable resource"
+"aluminum is a nonrenewable resource"
+"aluminum is recyclable"
+"amphibians hatch from eggs"
+"amphibians undergo metamorphosis"
+"an amphibian is cold-blooded"
+"an anemometer is used to measure wind speed"
+"an animal 's brain controls that animal"
+"an animal being born when food is available has a positive impact on that animal 's health"
+"an animal can survive in an environment with little food by storing fat"
+"an animal knows how to do instinctive behaviors when it is born"
+"an animal needs to eat food for nutrients"
+"an animal requires air for survival"
+"an animal requires energy to move"
+"an animal requires enough nutrients to maintain good health"
+"an animal requires enough nutrients to survive"
+"an animal requires nutrients for survival"
+"an animal requires nutrients to grow and heal"
+"an animal requires oxygen for to breathe"
+"an animal requires shelter"
+"an animal requires warmth for survival"
+"an animal usually requires a warm body temperature for survival"
+"an earthquake causes the ground to shake"
+"an earthquake changes Earth 's surface quickly"
+"an earthquake usually occurs over a period of 10 to 30 seconds"
+"an ecosystem contains a large community of living organisms in a particular place"
+"an ecosystem contains large numbers of living organisms in a particular place"
+"an ecosystem contains nonliving things"
+"an egg requires warmth to develop"
+"an electric car contains an electric motor"
+"an electric car uses less gasoline than a regular car"
+"an electrical device requires electricity to turn on"
+"an electrical insulator slows the flow of electricity"
+"an electrical insulator slows the transfer of electricity"
+"an electromagnet contains cylindrical ferrous metal"
+"an electron microscope creates a picture"
+"an equinox occurs twice per year"
+"an exothermic reaction increases the amount of heat"
+"an incandescent light bulb converts electricity into heat by sending electricity through a filament"
+"an incandescent light bulb converts electricity into light by sending electricity through a filament"
+"an inclined plane is used for raising objects"
+"an island is formed by lava being released on the ocean floor over time"
+"an island is formed by lava cooling on the ocean floor over time"
+"an landfill is a source of pollution"
+"an ocean is a source of heat and moisture for a hurricane"
+"an organism 's environment affects that organism 's acquired characteristics"
+"an organism breaking down sugar is a source of carbon dioxide"
+"an organism breaking down sugar is a source of water"
+"an organism breaks down sugar to release energy"
+"an organism is a source of organic material"
+"an organism is a source of organic matter"
+"an organism requires energy for growth"
+"an organism requires energy for repair"
+"an oven is a source of heat"
+"an plant requires food for survival"
+"animal cells can not perform photosynthesis"
+"animals adapt to their environment"
+"animals exhale carbon dioxide from their lungs into the air"
+"animals learn some behaviors from watching their parents"
+"animals live and feed near their habitats"
+"animals require water for survival"
+"animals taste flavors"
+"animals usually distance themselves from humans"
+"aquatic animals live in bodies of water"
+"aquatic plants live in bodies of water"
+"arctic animals live in an arctic environment"
+"arteries transport nutrients throughout the body"
+"as a source of light becomes closer , that source will appear brighter"
+"as a source of light moves directly overhead of an object , the size of the shadow of that object will decrease"
+"as ability to preserve food increases , the ability to transport food increases"
+"as ability to transport food increases around the world , the available types of food in distant locations will increase"
+"as air pressure decreases , the chance of rain will increase"
+"as air pressure increases , the reading on a barometer will rise"
+"as altitude increases , air pressure will decrease"
+"as altitude increases , the temperature of the air will decrease"
+"as an object descends into water , the pressure on that object will increase"
+"as an object moves , the kinetic energy of that object will increase"
+"as available resources increases , the population of an organism that uses those resources will increase"
+"as available water decreases , the population of plants will decrease"
+"as available water in an environment decreases , the amount of available food in that environment will decrease"
+"as depth increases , pressure will increase"
+"as distance from a source of light increases , that source of light will appear dimmer"
+"as distance from an object decreases , that object will appear larger"
+"as distance from an object decreases , the the pull of gravity on that object increases"
+"as distance from water decreases , humidity will increase"
+"as distance to a city decreases , the amount of light pollution will increase"
+"as distance to an object increases , that object will appear smaller"
+"as dryness increases in an environment , the available water in that environment will decrease"
+"as elevation of a place decreases , how much a flood will affect that place will increases"
+"as energy required for an activity increases , pulse will increase"
+"as flatness of a leaf increases , the amount of sunlight that leaf can absorb will increase"
+"as force exerted on an object increases , distance travelled will increase"
+"as heat and moisture increases , the strength of a hurricane will increase"
+"as heat increases , a flexible container containing gas will expand"
+"as heat is transferred from something to something else , the temperature of that something will decrease"
+"as light pollution increases , seeing the stars will be harder"
+"as lightness in color of an object increases , the ability of that object to reflect light will increase"
+"as mass of a celestial body increases , the force of gravity on that planet will increase"
+"as mileage per galon of gasoline increases , the amount of gasoline used will decrease"
+"as moisture of an object decreases , the friction of that object against another object will increase"
+"as number of organisms in a group increases , the chance of survival of each organism will increase"
+"as population of predators decreases , the population of prey will increase in an environment"
+"as population of prey decreases , the population of predators will decrease"
+"as roughness of a surface increases , friction will increase"
+"as state of matter changes , mass will not change"
+"as temperature during the day increases , the temperature in an environment will increase"
+"as temperature in an environment decreases , the amount of water an animal in that environment will lose will decrease"
+"as temperature in the environment increases , the body temperature of a reptile in that environment will increase"
+"as temperature increases , the ability of that liquid to dissolve solids will increase"
+"as the activity of an animal increases , the amount of water in an animal 's body in that environment will decrease"
+"as the amount of available water decreases , tree-growth rings will become narrower"
+"as the amount of daylight increases , sunset will occur later in the day"
+"as the amount of food an animal eats decreases , that organism will become thinner"
+"as the amount of food an animal eats increases , the weight of that animal will increase"
+"as the amount of fragrance of a flower increases , the number of pollinators it will attract increases"
+"as the amount of polluting gasses in the atmoshere increases , the atmospheric temperature will increase"
+"as the amount of rain increases in an environment , available sunlight will decrease in that environment"
+"as the amount of rainfall increases in an area , the amount of available water in that area will increase"
+"as the amount of water in a body of water increases , the water levels will increase"
+"as the amount of water received by a plant increases , that plant will usually grow"
+"as the amount that matter vibrates increases , sound produced increases"
+"as the available water in an environment increases , the populations of organisms in that environment will increase"
+"as the distance of a location from the North Pole becomes smaller, the amount of daylight received by that location will decrease during the winter"
+"as the level of water rises , the amount of available land will decrease"
+"as the mass of an object increases , the force required to push that object will increase"
+"as the number of eggs laid by an animal increases , the number of eggs that hatch will increase"
+"as the number of pollinators attracted to a flower increases , the ability of that flower to reproduce will increase"
+"as the number of sources of food increase in an environment , the population of the organisms will increase in that environment"
+"as the population of plants decreases , carbon in the atmosphere will increase"
+"as the population of prey decreases , competition between predators will increase"
+"as the resistance to something increases , how easilty that something can be done will decrease"
+"as the roughness of something increases , the friction of that something will increase when its surface moves against another surface"
+"as the sale of a product decreases , the amount of money made by the person selling that product will decrease"
+"as the size of a flower increases , the number of pollinators it will attract increases"
+"as the size of a leaf increases , the amount of sunlight absorbed by that leaf will increase"
+"as the size of an object appears larger , that object will be observed better"
+"as the size of an object appears larger , that object will be seen more easily"
+"as the size of the eyes of an animal increases , the ability of that animal to see will usually increase"
+"as the smoothness of something increases , the friction of that something will decrease when its surface moves against another surface"
+"as the supply of food in an environment decreases , the population of animals in that environment will decrease"
+"as the surface area of a body of water increases , evaporation of that body of water will increase"
+"as the temperature of a liquid increases , the rate of evaporation of that liquid will increase"
+"as the temperature of something increases , the intensive properties of that something will not change"
+"as the thickness of an object increases , the resistance to breaking will increase"
+"as the thickness of an object increases , the resistance to damage of that object will increase"
+"as the time a tool lasts increases , the number of tools discarded will decrease"
+"as the use of a crop increases , the amount of crops planted will increase"
+"as the use of a resource decreases , the length of time that resource will be available increases"
+"as the use of alternative fuels increases , the use of gasoline will decrease"
+"as the weight of an animal decreases , that animal will fly more easily"
+"as time spent taking a shower decreases , water used will decrease"
+"as water increases in an environment , the population of aquatic animals will increase"
+"avoiding predators has a positive impact on prey 's ability to reproduce"
+"bacteria can cause people to become ill"
+"bacteria can help digest food in humans"
+"bacteria cause food poisoning"
+"bad weather decreases visibility while driving"
+"baking soda can react chemically with vinegar"
+"bats can echolocate"
+"batteries convert chemical energy to electrical energy"
+"beads of water are formed by water vapor condensing"
+"bears eat berries"
+"bears eat insects"
+"bees convert nectar into honey"
+"bees eat pollen"
+"being burried under soil and mud changes peat into coal through extreme heat and pressure in a swamp over a long period of time"
+"being exposed to heat can cause erosion of rocks"
+"being stronger usually has a positive impact on an living thing 's health"
+"being stronger usually has a positive impact on an organism 's health"
+"binoculars are used for observing distant objects"
+"biofuel is used to produce electricity by burning"
+"biofuel releases carbon dioxide into the atmosphere"
+"birds are a vehicle for spreading the seeds of a plant"
+"birds build nests in the spring"
+"birds lay eggs"
+"birds sometimes eat berries"
+"birds sometimes eat insects"
+"birds sometimes eat seeds"
+"birds with beaks of different shapes eat different foods"
+"blood absorbs oxygen in the lungs"
+"bluebirds live in grassy spaces"
+"boiling is when liquids are heated above their boiling point"
+"boiling point means temperature above which a liquid boils"
+"braking can cause skidding"
+"brass is made of copper and zinc"
+"break down means change from a whole into pieces"
+"breaking apart rocks can cause debris"
+"breaking down an object changes that object 's shape and mass"
+"breath contains water vapor"
+"breathing is when a lung converts from oxygen in air into oxygen in blood"
+"brick is an electrical insulator"
+"buildings collapsing often cause death"
+"burning a living thing usually causes harm to that living thing"
+"burning gasoline is a source of pollution"
+"burning oil is a source of pollution"
+"burning wood is used to produce heat"
+"calculating speed requires knowing distance travelled"
+"camouflage can be used for hunting for food"
+"camouflage can be used for hunting for prey"
+"camouflage is a kind of protection against consumers"
+"camouflage is a kind of protection against predators"
+"camouflage is used for hiding by animals against predators"
+"camouflage is used for hiding by animals from predators"
+"carbohydrates are made of sugars"
+"carbon dioxide can be found in the air"
+"carbon dioxide concentrations in the air have increased over the last decade dramatically"
+"carbon steel is always magnetic"
+"carnivores are predators"
+"carnivores only eat animals"
+"carpet absorbs sound"
+"casting an image of an object through a pinhole onto a screen does not require looking directly at the object"
+"cellular respiration is when a cell converts from oxygen and carbohydrates into carbon dioxide, water, and energy"
+"cellular respiration is when cells break down food to produce energy"
+"changes in an environment cause animals to adapt to survive"
+"changes in an environment cause plants to adapt to survive"
+"chemical reactions cause chemical change"
+"chemical reactions cause different substances to form"
+"chemical splashing can cause harm to the eyes"
+"chemical splashing sometimes occurs during experiments"
+"chickens cluck"
+"chlorophyll is used for absorbing light energy by plants"
+"clams live at the bottom of the ocean"
+"classifying is when one sorts something by type"
+"classifying means grouping materials by their properties"
+"claws are used to catch prey by some predators"
+"clear weather means sunny weather"
+"climate is the usual kind of weather in a location"
+"clouds are formed by water vapor rising and condensing"
+"clouds produce rain"
+"cloudy means the presence of clouds in the sky"
+"coal is a nonrenewable resource"
+"coal is used to produce electricity by burning in coal-fire power stations"
+"coal mine is a source of coal under the ground"
+"cold environments are usually white in color from being covered in snow"
+"cold environments contain few organisms"
+"cold temperatures cause animals to shiver"
+"coloration is used to find a mate by some animals"
+"combining two substances chemically causes chemical reactions"
+"completing a circuit causes electric current to flow through that circuit"
+"completing a circuit causes electricity to flow through that circuit"
+"condensation is a stage in the water cycle process"
+"condensing causes a liquid to form"
+"conserving resources has a positive impact on the environment"
+"conserving water can be used for survival in a dry environment"
+"consumers eat other organisms"
+"contact between rocks over long periods of time causes rocks to smooth"
+"cooking causes a chemical reaction"
+"cooking food requires adding heat energy"
+"cooking food to proper temperatures protects against food poisoning by killing bacteria and viruses"
+"cool temperatures cause animals to shiver"
+"coral lives in the ocean"
+"cows only eat plants"
+"cracking something usually has a negative impact on that something"
+"creating paper requires cutting down trees"
+"crop rotation has a positive impact on soil quality"
+"crop rotation is when different crops are planted on a field in different years"
+"crop rotation renews soil"
+"crumple means change shape from smooth into compacted by physical force"
+"cutting down trees has a negative impact on an organisms living in an ecosystem"
+"cutting down trees in a forest causes the number of trees to decrease in that forest"
+"cycles of day and night occur once per day"
+"cycles of freezing and thawing water cause ice wedging"
+"dairy is a source of Vitamin D"
+"damming a river can cause a lake to form"
+"darkness has a negative impact on photosynthesis"
+"dead organisms are the source of nutrients for decomposers"
+"dead organisms decay"
+"dead organisms rot"
+"decomposer is a kind of role in an ecosystem"
+"decomposition increases amount of organic matter in soil"
+"decomposition increases the amount of nutrients in the soil"
+"decomposition is when a decomposer breaks down dead organisms"
+"decomposition is when a decomposer recycles nutrients from dead organisms to the soil by eating those dead organisms"
+"decreasing something negative has a positive impact on a thing"
+"deep sea animals live deep in the ocean"
+"denser liquids settle below liquids that are less dense"
+"density is a measure of mass over volume"
+"detailed observation of celestial objects requires a telescope"
+"dew is formed when water vapor condenses over night"
+"dew is formed when water vapor cools over night"
+"different organisms reproduce differently"
+"digestion is when an organism takes in nutrients from food into itself by eating"
+"digestion is when stomach acid breaks down food"
+"disguise means change appearance to hide"
+"dissolving a substance in water causes the water to taste like that substance"
+"doing chores is a learned characteristic"
+"down feathers are a thermal energy insulator"
+"dropping an object into water causes vibrations in the water"
+"dropping something causes that something to fall"
+"drought may cause wildfires"
+"drought means available water decreases in an environment"
+"dry wood easily burns"
+"each of the moon 's phases usually occurs once per month"
+"each season occurs once per year"
+"eagles eat fish"
+"eagles eat rabbits"
+"earthquakes cause rock layers to fold on top of each other"
+"earthworms create tunnels in soil"
+"eating food is used to get nutrients by living things"
+"eating food that contains pesticides can have a negative impact on humans"
+"echo is when sound reflects off of a surface"
+"echolocation is when some animals detect objects by hearing echoes by emitting sound"
+"ecological succession means entire communities in an ecosystem change over time"
+"electric devices require electrical energy to function"
+"electrical conduction is when metals conduct electricity through metal"
+"electrical current running through a wire causes that wire to heat up"
+"electrical devices convert electricity into other forms of energy"
+"electrical insulation requires wrapping a conductor in an insulator"
+"electricity can not flow through an open circuit"
+"electricity causes less pollution than gasoline"
+"electricity is made of moving charged particles"
+"electricity is made of moving charges"
+"electrocution causes harm to an organism"
+"electromagnets can be powered by electricity"
+"endangered means low in population"
+"erosion causes a river to become deeper and wider"
+"erosion causes deposition"
+"erosion of soil has a negative impact on the environment"
+"ethanol sometimes is made of corn"
+"evaporation causes amount of water to decrease"
+"evaporation is a stage in the water cycle process"
+"evaporation is when water is drawn back up into the air in the water cycle"
+"evaporation means change from a liquid into a gas by adding heat energy"
+"exercise has a positive impact on a body 's strength"
+"exercise has a positive impact on a human 's health"
+"explosions can cause harm to an organism"
+"extreme heat and pressure compact sediment into sedimentary rock"
+"extreme heat and pressure metamorphose rock into metamorphic rock"
+"extreme temperatures cause an organism 's energy levels to decrease"
+"eye color is an inherited characteristic"
+"eyes are used for seeing by animals by sensing light"
+"farming cause nutrients in the soil to decrease"
+"farming changes the environment"
+"fat is used to keep animals warm"
+"feeders attract animals to a location"
+"feeling is when an living thing senses through touch"
+"female birds sit in nests"
+"ferrous metals contain iron"
+"fertilizers are a source of pollution"
+"fire causes burning"
+"fire causes harm to living things"
+"fire destroys plants in an environment"
+"fire gives off light"
+"fish lay eggs"
+"flippers are used for moving in water"
+"flood plains are located near rivers"
+"flowers are a source of fruit"
+"flowing liquid can push objects"
+"fog is formed by water vapor condensing in the air"
+"folding an object causes that object to change shape"
+"food is a source of energy for animals"
+"food is a source of energy for plants"
+"food spoiling has a negative impact on the health of the animal that eats that food"
+"force causes the speed of an object to decrease"
+"force causes the speed of an object to increase"
+"forming fossil fuels requires decaying vegetation"
+"fossil fuels are a nonrenewable resource"
+"fossil fuels are formed by dead organisms over time"
+"fossil fuels forming occurs over a period of 300000000 years which is considered a very long time to a human"
+"fossils are formed when layers of sediment cover the remains of organisms over time"
+"freezing causes a solid to form"
+"freezing means changing from a liquid into a solid by reducing heat energy"
+"freezing point means temperature at which a liquid freezes"
+"freezing point means temperature below which a liquid freezes"
+"friction acts to counter the motion of two objects when their surfaces are touching"
+"friction causes the speed of an object to decrease"
+"friction causes the temperature of an object to increase"
+"friction is used for stopping a vehicle by brakes"
+"friction occurs when two object 's surfaces move against each other"
+"fruit contains seeds"
+"genes are a vehicle for passing inherited characteristics from parent to offspring"
+"gills are used for breathing water by aquatic animals"
+"glaciers cause scratches in rocks"
+"glaciers melting has a negative impact on the glaicial environment"
+"good bacteria grow on a human 's skin"
+"good bacteria grow on the skin"
+"grass snakes live in grass"
+"gravitational force causes objects that have mass to be pulled down on a planet"
+"gravity causes orbits"
+"gravity causes substances to be pulled down on a planet"
+"green plants provide food for consumers by performing photosynthesis"
+"grey clouds appear before precipitation"
+"grey clouds are a source of precipitation"
+"habitat destruction causes animals to move to find shelter in another habitat"
+"harming an animal species causes that animal 's population to decrease"
+"harming something has a negative effect on that something"
+"harming something has a negative impact on that something"
+"having food has a positive impact on an organism 's health"
+"hawks eat lizards"
+"heat and pressure change the remains of prehistoric living things into natural gas"
+"heat can change the state of matter"
+"heavy rains cause flooding"
+"height is an inherited characteristic"
+"herbivores only eat plants"
+"hibernation is an inherited behavior"
+"hibernation is used for conserving resources by some animals"
+"high means great in altitude"
+"high temperatures can cause an object to combust"
+"high tide is a stage in the tide cycle process"
+"hitting an object causes the particles in that object to vibrate"
+"humans building homes in an ecosystem causes that environment to change"
+"humans building homes in an environment causes that environment to change"
+"humans cause pollution"
+"humans changing an environment sometimes causes that environment to be destroyed"
+"humans changing animal habitats usually causes harm to those animals"
+"humans discarding waste in an environment causes harm to that environment"
+"humans eat crops"
+"humans moving into an environment usually causes native species to lose their habitats"
+"humans sometimes eat seeds"
+"humidity is the amount of water vapor in the air"
+"hunting means humans kill animals in the wild"
+"hunting requires seeing prey"
+"hunting requires sensing prey"
+"hydropower is when falling water produces electricity"
+"hydropower requires damming a river"
+"hypothesis means scientific guess about the cause and effect of an event"
+"ice wedging is when ice causes rocks to crack by expanding in openings"
+"if a body of water loses all water then that body of water does not exist any more"
+"if a body part was burned then that body part was exposed to a lot of heat energy"
+"if a cell can not specialize then that cell must perform all life functions"
+"if a flexible container is pushed on then that container will change shape"
+"if a habitat can no longer support animals then those animals will move to another area"
+"if a habitat is destroyed then that habitat can not support animals"
+"if a habitat is removed then that habitat is destroyed"
+"if a hot object is touches a cold substance then that substance will likely cool"
+"if a hot substance is touches a cold object then that substance will likely cool"
+"if a leaf falls off of a tree then that leaf is dead"
+"if a liquid disappears then that liquid probably evaporated"
+"if a living thing becomes too cold then that living thing will die"
+"if a living thing dies then that living thing is dead"
+"if a magnet is attracted to a metal then that magnet will stick to that metal"
+"if a mineral can be scratched by a fingernail then that mineral is soft"
+"if a new predator begins eating prey then the population of that prey will decrease"
+"if a population decreases to zero then that organism is extinct"
+"if a substance absorbs solar energy then that substance will increase in temperature"
+"if a tree falls then sunlight becomes available to the surrounding plants"
+"if a tree falls then that tree is dead"
+"if a tree is cut down then that tree will die"
+"if a tree is located near a sidewalk then the roots of that tree might crack the sidewalk"
+"if a weed is pulled then that weed is destroyed"
+"if all members of a species cannot produce offspring then that species will likely become extinct"
+"if an animal eats another animal then that animal is a carnivore or omnivore or predator"
+"if an animal hatches from an egg then that animal is born"
+"if an animal is near a road then that animal might be killed by a car"
+"if an animal is trained to do something then that something is a learned behavior"
+"if an animal relies on plants for food then that animal must store enough food to last through the winter"
+"if an animal takes a resource from another animal then that animal competes for resources successfully"
+"if an object is blue then that object reflects only blue light"
+"if an object is close then that object will appear large"
+"if an object is exposed to a source of heat then that conductor may become hot"
+"if an object is hot then the surfaces of that object are hot"
+"if an object is kicked then force is exerted on that object"
+"if an object reflects a light of a certain color then the object appears to be that color"
+"if an object reflects light toward the eye then that object can be seen"
+"if an object reflects more light then that object is more easily seen"
+"if an object undergoes chemical change then that object will have new chemical properties"
+"if an organism 's prey moves quickly then that organism may need to move quickly to catch its prey"
+"if an organism becomes too hot then that organism may die"
+"if an organism dies then the population of that organism will decrease"
+"if an organism makes food for itself then that organism does not need to eat other organisms"
+"if battery in an electromagnet is active then the nail in the electromagnet will become magnetic"
+"if electricity flows along more than one pathway then the circuit is parallel"
+"if food is cooked then heat energy is added to that food"
+"if food is not immediately used by the body for energy then that food will be stored for future use"
+"if fossils of a water animal or plant are found in a place then that place used to be covered by water in the past"
+"if gas is heated then that gas will rise"
+"if it is night then the sun has set"
+"if liquid is boiling then that liquid is hot"
+"if members of a species are born then the population of that species increases"
+"if one electrical conductor contacts another electrical conductor then electricity will flow through both conductors"
+"if one mineral can scratch another mineral then that other mineral is softer than that one mineral"
+"if seeds stick to the fur of an animal then that seed will be transported by the animal"
+"if some nutrients are in the soil then those nutrients are in the food chain"
+"if something absorbs something else then that something will contain that something else"
+"if something contains a large amount of magnetic material then that something will attract magnets"
+"if something is a raw material in a process then that something is required for that process"
+"if something is a raw material then that something comes directly from a source"
+"if something is in the sunlight then that something will absorb solar energy"
+"if something is outside during the day then that something will receive sunlight"
+"if the amount of available food and water decreases in an environment then animals may leave that environment to find food and water"
+"if the atmospheric temperature rises then the glaciers will melt"
+"if the population of an organism increases then the ecosystem may become overpopulated with that organism"
+"if too much heat is transferred to an object then that object may burn"
+"if two animals eat the same prey then those animals compete for that pey"
+"if two animals have the same food source then those two animals compete for food"
+"if two equal forces in opposite directions act on an object then that object will stay in the same place"
+"if two objects have the same charge then those two materials will repel each other"
+"if weather is stormy then there is a greater chance of rain"
+"illness has a negative impact on an organism 's health"
+"incomplete metamorphosis is when an insect reaches the adult stage without being a pupa"
+"inheriting is when a inherited characteristic is copied from parent to offspring by DNA"
+"inheriting is when a inherited characteristic is passed from parent to offspring by DNA"
+"inheriting is when a inherited characteristic is passed from parent to offspring by genetics"
+"ink is used for hiding from predators by octopuses"
+"insects can have a negative impact on crops"
+"inventing a tool allows that tool to be used"
+"iron is always magnetic"
+"iron nails are made of iron"
+"jet streams may deflect the air masses moved by the prevailing westerlies"
+"kilometers km are a unit used for measuring distance generally used for values between 1 and 50000000"
+"lack of food causes starvation"
+"landfills have a negative impact on the communities"
+"landfills have a negative impact on the environment"
+"landslides often occur on mountains"
+"large fins can be used to move quickly through water"
+"large trees block sunlight from reaching the ground"
+"lava is found above the ground"
+"light can travel through a vacuum"
+"light enters the eye through the pupil"
+"lighting a candle causes that candle to burn"
+"lightning can cause a forest fire"
+"limestone is formed by water evaporating from a solution of water and minerals"
+"live birth means developing inside the mother instead of an egg"
+"living in an environment causes an organism to adapt to that environment"
+"living things all require energy for survival"
+"living things can all reproduce"
+"living things live in their habitat"
+"living things require respiration to use energy"
+"living things require water for survival"
+"living underground can be used for hiding from predators"
+"lizards eat insects"
+"long ears are used for releasing heat by a jackrabbit"
+"looking directly at an eclipse of the Sun causes harm to the eyes"
+"loss of resources has a negative impact on the organisms in an area"
+"magma is found below the ground"
+"magnetic attraction pulls two objects together"
+"magnetism can cause objects to repel each other"
+"magnetism does not require contact between objects to act"
+"magnifying glass is used to see small things by making objects appear bigger"
+"magnifying makes seeing small things easier through using a microscope"
+"mammals give birth to live young"
+"many vehicles emit pollution into the air"
+"mass is a measure of the amount of matter in an object"
+"matter in the liquid state drips"
+"matter is made of molecules"
+"matter vibrating can cause sound"
+"matter with variable volume and shape assumes the shape and size of its entire container"
+"meadow voles eat insects"
+"meadow voles eat plants"
+"measuring the hardness of minerals requires scratching those materials"
+"mechanical weathering is when rocks are broken down by mechanical means"
+"medicine can cause people to have bad reactions"
+"melting is when solids are heated above their melting point"
+"melting means changing from a solid into a liquid by adding heat energy"
+"melting point means temperature above which a solid melts"
+"melting point means temperature at which a solid melts"
+"metal is a nonrenewable resource"
+"metal is a thermal conductor"
+"metal is an electrical energy conductor"
+"metal is sometimes magnetic"
+"metamorphosis is a stage in the life cycle process of some animals"
+"metamorphosis is when an animal changes from an immature form to an adult form"
+"meters m are a unit used for measuring distance generally used for values between 1 and 1000"
+"mice live in in holes in the ground in fields"
+"microorganisms cause food to spoil"
+"microscope is used to see small things by making them appear bigger"
+"migration is an instinctive behavior"
+"migration is when animals move themselves from a cooler climate to a warmer climate for the winter"
+"migration is when animals move to different locations in an annual cycle"
+"milliliters mL is a unit used for measuring volume generally used for values between 1 and 1000"
+"mimicry is used for avoiding predators by animals by camouflaging as a dangerous animal"
+"minerals are formed from magma cooling"
+"mining changes an ecosystem"
+"moist means high in moisture"
+"molecules vibrating can cause sound"
+"most animals avoid bad odors"
+"most canyons are formed by flowing rivers through erosion over long periods of time"
+"most chloroplasts are found in the leaves of a plant"
+"most predators live in the same environment as their prey"
+"most predators live near the same environment as their prey"
+"motion is a source of kinetic energy in an object"
+"mountains are formed by plate tectonics"
+"mountains are formed by volcanoes"
+"moving an object from a cool place to a warm place causes the object 's temperature to increase"
+"moving changes position"
+"moving changes stored energy into motion and heat"
+"muscles pull bones to move the bones"
+"musical instruments make sound when they are played"
+"national parks limit hunting"
+"natural disasters can cause animals to leave an environment"
+"natural events usually cause changes to Earth 's surface"
+"natural gas is a nonrenewable resource"
+"natural gas is a source of heat by burning"
+"natural magnetism is used for pointing north by a compass"
+"nature is the source of natural resources"
+"nearly all fossils are found in sedimentary rock"
+"nectar is used for attracting pollinators by plants"
+"nerves are made of nerve cells"
+"nerves can be used to feel heat and pressure on the skin"
+"nervous system is an electric conductor"
+"new land can be formed by volcanoes erupting by lava cooling"
+"no light shines through an opaque object"
+"nocturnal predators hunt during the night"
+"non-contact forces can affect objects that are not touching"
+"nuclear reactions in stars causes stars to produce light"
+"nutrients are a source of energy for living things"
+"objects made of glass cause refraction of light"
+"oceans contains most of earth 's water"
+"oceans cover 70% of the surface of the earth"
+"octopuses releasing ink into the water causes predators to have difficulty seeing the octopus"
+"offshore oil platforms might cause oil to leak into the water"
+"offspring receive genes from their parents through DNA"
+"oil is a nonrenewable resource"
+"oil is a source of energy"
+"oil is a source of gasoline"
+"omnivores are predators"
+"omnivores eat plants"
+"one day is equal to 24 hours"
+"one year is equal to 365 days"
+"organisms can be preserved in sedimentary rock"
+"organisms live in their habitat"
+"painting an object a color causes that object to be that color"
+"panting is when an animal hangs its tongue out of its mouth to adjust to hot temperatures"
+"paper is recyclable"
+"pasteurization reduces the amount of bacteria in milk"
+"peat is made of decaying vegetation compacted by soil in a swamp over a long period of time"
+"pencil lead contains mineral graphite"
+"performing lab expiriments accurately requires understanding all directions beforehand"
+"phase changes do not change mass"
+"phloem transports materials through the plant"
+"photosynthesis makes energy for the plant by converting carbon dioxide, water, and sunlight into carbohydrates"
+"photosynthesis makes food for the plant by converting carbon dioxide, water, and sunlight into carbohydrates"
+"photosynthesis means green plants convert from carbon dioxide, water, and solar energy into oxygen for themselves"
+"photosynthesis means producers convert from carbon dioxide, water, and solar energy into food for themselves"
+"planets orbit stars"
+"plant cells can perform photosynthesis"
+"plant reproduction requires pollination"
+"plant requires seed dispersal for reproduction"
+"planting native plants has a positive impact on an ecosystem"
+"planting trees has a positive impact on an ecosystem"
+"plants absorb nutrients from soil into themselves through their roots"
+"plants are a source of biofuel"
+"plants are a source of fibers"
+"plants are a source of oxygen through photosynthesis"
+"plants are the source of fruit"
+"plants are the source of spices"
+"plants control the amount of water in their leaves through transpiration"
+"plasma is formed by electrons separating from atoms in stars"
+"plastic is a nonrenewable resource"
+"plucking a string can cause that string to vibrate"
+"pluto has not cleared its orbit"
+"poison causes harm to living things"
+"poisonous darts are used for defense by sea anemones"
+"polar bears live in cold environments"
+"pollination is when wind carry pollen from one flower to another flower"
+"pollination requires pollinating animals"
+"polluting means something poisonous is added to an environment causing harm to the environment"
+"pollution is a source of pollutants"
+"pollution is when humans pollute the environment with pollutants"
+"potential energy changes to kinetic energy through motion"
+"pouring water onto soil causes that soil to wash away"
+"precipitation is when hail fall from clouds to the ground"
+"precipitation is when rain fall from clouds to the Earth"
+"precipitation is when snow fall from clouds to the Earth"
+"precipitation is when water falls from the sky"
+"predators eat other animals"
+"predators eat prey"
+"preferences are generally learned characteristics"
+"preparing for a storm requires predicting the occurrence of that storm"
+"processes sometimes produce waste products"
+"producer is a kind of role in an ecosystem"
+"producer is a kind of role in the food chain process"
+"producing light is used for attracting prey by some deep sea animals"
+"protein is used to repair cells by the human body"
+"pushing a button sometimes completes a circuit"
+"pushing an object requires force"
+"pushing on the pedals of a bike cause that bike to move"
+"quartz scratches glass easily"
+"rabbits eat plants"
+"raccoons eat garbage"
+"raccoons eat waste"
+"radiation is when heat is transferred through waves"
+"rain is a source of water"
+"rainfall is the amount of rain an area receives"
+"recyclable means a material can be recycled"
+"recycling has a positive impact on the environment"
+"recycling nonrenewable resources has a positive impact on the conservation of those resources"
+"recycling resources has a positive impact on the conservation of those resources"
+"recycling resources has a positive impact on the environment"
+"reducing bacteria in food prevents illness in people"
+"refracting sunlight causes light to split into different colors"
+"refraction causes something to look different"
+"refraction is when light bends"
+"remora fish eat food by attaching themselves to sharks and eating the food left behind"
+"renewable resources can be used over again"
+"reproduction is a stage in the life cycle process"
+"reproduction is when an organism passes genetic information from itself to its offspring"
+"reproduction occurs during adulthood"
+"reproduction produces offspring"
+"reptiles lay eggs"
+"rest has a positive impact on a health"
+"riding a bike does not cause pollution"
+"rock is made of minerals"
+"rocks are a source of shelter for small animals in an environment"
+"rocks often contain large amounts of metal"
+"rocks sometimes contain aluminum"
+"rocks sometimes contain iron"
+"roots anchor plants into the soil"
+"roots are a vehicle for absorbing water and nutrients from soil into the plant"
+"rubber is an thermal insulator"
+"runoff contains fertilizer from cropland"
+"runoff contains pesticides from cropland"
+"runoff is when cropland water enters bodies of water"
+"safety goggles are used for protecting the eyes during experiments"
+"sand dunes are made of sand"
+"scavengers eat dead organisms"
+"scientists make observations"
+"scraping an object may cause small particles to break off of that object"
+"seals every year return to the same beaches to give birth"
+"seasonal changes are made in response to changes in the environment"
+"seasons cause change to the environment"
+"seconds are used to measure time"
+"sediment is formed by weathering"
+"sedimentary rocks are formed from sediment compacting together"
+"seed dispersal has a positive impact on a plant 's reproduction"
+"seed dispersal has a positive impact on a plant"
+"seed dispersal is when the seeds of a plant are moved from the plant to a new environment"
+"seed dispersal is when the seeds of a plant are spread from the parent plant to another area"
+"seed production requires pollination"
+"seeds may sprout when buried in soil"
+"seeing is used for sensing visual things"
+"sending electricity through a conductor causes electric current to flow through that conductor"
+"sending electricity through a conductor causes electricity to flow through that conductor"
+"shale can be metamorphosed into slate by increased pressure"
+"sharp beaks are a kind of adaptation for catching prey"
+"shedding is when an animal loses hair"
+"shelter can protect animals from weather"
+"shelter can protect humans from weather"
+"shelter is used for protection by animals against weather"
+"shiny things reflect light"
+"shivering is when an animal creates heat by shaking to keep the body warm"
+"skeletal system is made of bones"
+"skidding causes friction"
+"skidding causes speed to decrease"
+"skills are learned characteristics"
+"skin is used for protecting the body from harmful substances"
+"sleet is made of ice"
+"slope is a measure of the difference in elevation between one part of the land and another part of the land"
+"smell is used for finding food by some animals"
+"smoking causes direct damage to the lungs"
+"snow falls during the winter in some environments"
+"snow falls during the winter in the arctic environment"
+"snowy means a large amount of snow"
+"soil contains nutrients for plants"
+"soil erosion is when wind move soil from environments"
+"soil is a renewable resource for growing plants"
+"soil is formed by rocks eroding"
+"soil is formed by weathering"
+"soil loss causes grooves in soil"
+"solar energy is a renewable resource"
+"solar energy is an inexhaustible resource"
+"some adult animals lay eggs"
+"some animals live in zoo exhibits"
+"some animals move quickly to escape predators"
+"some animals shed fur in warm weather"
+"some birds are predators"
+"some birds live in forests"
+"some crickets live in forests"
+"some deep lakes are formed by glaciers"
+"some flowers become fruits"
+"some hares live in fields"
+"some humans live in houses"
+"some light bulbs convert electricity into light and heat energy"
+"some lizards live in desert habitats"
+"some predators move quickly to catch prey"
+"some rabbits live in forests"
+"some raccoons live in hollow logs"
+"something in a cold place becomes cold"
+"something reusable can be used more than once"
+"sometimes piles of rock are formed by melting glaciers depositing rocks"
+"sometimes weathering rounds rocks"
+"sometimes weathering smooths rocks"
+"sonar is used to find the location of an object"
+"sound can be used for communication by animals"
+"sound can travel through air"
+"special tissues in plants transport minerals throughout the plant"
+"specialized tissues at the ends of plant stems are used for growing taller by plants"
+"speed is a measure of distance travelled divided by time"
+"speed is a measure of distance travelled over time"
+"speed is a measure of how fast an object is moving"
+"squirrels eat edible plants"
+"squirrels gather nuts in the autumn to eat during the winter"
+"stalactites are formed by deposition"
+"stars appear to move relative to the horizon during the night"
+"steam is a kind of water above 100 degrees celsius"
+"stopped means no speed"
+"storms can cause a landslide"
+"storms cause bodies of water to increase amount of water they contain"
+"strumming a string can cause that string to vibrate"
+"studying a soil sample means studying the microorganisms in that soil"
+"sugar causes food to taste sweet"
+"sugar dissolves in water when they are combined"
+"sugars are transported from the leaves to the roots of a plant"
+"summer is when a hemisphere is tilted towards the sun"
+"sunlight and rain can cause a rainbow"
+"sunlight contains ultraviolet light"
+"sunlight produces heat"
+"sweat cools a body"
+"sweat is used for adjusting to hot temperatures by some animals"
+"swimming is when humans can move in water"
+"tadpole changes into a frog"
+"tapping two objects together causes the particles in those objects to vibrate"
+"tearing an object changes that object 's shape"
+"tearing means changing a whole into pieces"
+"tectonic plates being pushed together causes earthquakes"
+"telephones convert sound energy into electrical energy"
+"temperature changing can cause phase changes"
+"temperature is a measure of heat energy"
+"the Alps were formed by rock folding"
+"the Appalachians were formed by rock folding"
+"the Earth absorbs more energy than it loses"
+"the Earth being tilted on its axis causes ones side of the Earth to receive less energy from the Sun than the other side"
+"the Earth being tilted on its axis causes seasons"
+"the Earth contains many ecosystems"
+"the Earth revolves around the sun"
+"the Earth revolving around the Sun causes the seasons to change on its axis"
+"the Earth revolving around the Sun causes the seasons to occur on its axis"
+"the Earth revolving around the sun causes stars to appear in different areas in the sky at different times of year"
+"the Earth rotates on its axis on its axis"
+"the Earth rotating on its axis causes stars to appear to move across the sky at night"
+"the Earth rotating on its axis causes the sun to appear to move across the sky during the day"
+"the Grand Canyon was formed by the Colorado River flowing over long periods of time"
+"the Great Lakes were formed by glaciers moving over the ground"
+"the Himalayas were formed by rock folding"
+"the Moon completes a lunar cycle over a period of 29 days"
+"the North Star does not move in the sky in the Northern Hemisphere each night"
+"the Sun is the star that is closest to Earth"
+"the ability to access resources has a positive impact on an organism 's survival"
+"the ability to acquire resources has a positive impact on an organism 's survival"
+"the ability to find resources has a positive impact on an organism 's survival"
+"the amount of daylight is greatest in the summer"
+"the amount of daylight is greatest on the summer solstice"
+"the amount of daylight is least in the winter"
+"the amount of daylight is least on the winter solstice"
+"the arctic environment is cold in temperature from being at a northern lattitude below 0 degrees celsius during most of the year"
+"the arctic environment is covered in snow"
+"the arctic environment is white in color from being covered in snow"
+"the atmosphere is made of 78% nitrogen"
+"the breaking down of food into simple substances occurs in the digestive system"
+"the cell membrane provides support for a cell"
+"the cells of multicellular organisms can specialize"
+"the circulatory system brings oxygen from the lungs to the rest of the body"
+"the circulatory system carries oxygen from the digestive and respiratory systems to the rest of the body"
+"the circulatory system transports blood throughout the body"
+"the cocoons being created occurs during the the pupa stage in a life cycle"
+"the color of an object can be discovered by looking at that object"
+"the color of fur is an inherited characteristic"
+"the coloration of fur is an inherited characteristic"
+"the colors of the parts of an organism are inherited characteristics"
+"the composition of something can be used to identify that something"
+"the condition of the parts of an organism are acquired characteristics"
+"the continental shelf is located near the shore"
+"the crust is a layer of the Earth"
+"the decrease of something required by an organism has a negative impact on that organism 's survival"
+"the digestive system breaks food into nutrients for the body"
+"the digestive system digests food for the body"
+"the earth has more mass than the moon"
+"the excretory system removes waste from the body"
+"the first quarter phase of the moon occurs after the new moon"
+"the floating arrow on a compass always points towards the north"
+"the formation of peat occurs at the bottom of swamps"
+"the gravitational pull of the Moon on Earth 's oceans causes the tides"
+"the greenhouse effect is when carbon in the air heats a planet 's atmosphere"
+"the heart is mostly made of muscle"
+"the increase of something required by an organism has a positive impact on that organism 's survival"
+"the kidney removes byproducts from the blood"
+"the length of the hair of an animal is an acquired characteristic"
+"the looseness of soil has a positive impact on a plant 's roots' growth in that soil"
+"the looseness of soil increases the amount of oxygen in that soil"
+"the lunar surface contains many craters"
+"the mantle is a layer of the Earth"
+"the mantle is located just below Earth 's crust"
+"the mass of a planet causes the pull of gravity on that planet"
+"the moon 's surface contains flat areas"
+"the moon 's surface contains highlands"
+"the moon 's surface contains many craters"
+"the moon does not contain water"
+"the moon is the celestial object that is closest to the Earth"
+"the moon orbiting the Earth approximately occurs 13 times per year"
+"the moon orbiting the Earth causes the phases of the moon"
+"the moon orbits the Earth"
+"the moon reflects sunlight towards the Earth"
+"the moon rising occurs once per day"
+"the nervous system sends observations in the form of electrical signals to the rest of the body"
+"the number of body parts of an organism is an inherited characteristic"
+"the number of rings in a tree trunk can be used to estimate the age of the tree"
+"the ocean contains large amounts of salt water"
+"the phases of the Moon change the appearance of the Moon"
+"the pupa stage is a stage in the metamorphosis process of some animals"
+"the respiratory system takes in oxygen from the air"
+"the respiratory system transfers oxygen to the circulatory system"
+"the shape of an object can be discovered through feeling that object"
+"the shape of body parts is an inherited characteristic"
+"the skeletal system protects internal organs"
+"the skin is the largest organ in the human body"
+"the slope of the land causes a river to flow in a particular direction"
+"the smell of rotting meat attracts flies"
+"the solar system contains the moon"
+"the stars in the night sky are very far away from the Earth"
+"the summer solstice is on June 21st in the northern hemisphere"
+"the sun causes water to evaporate more quickly by adding heat"
+"the sun is a source of heat called sunlight"
+"the sun is a source of light called sunlight"
+"the sun is located directly overhead at noon"
+"the sun is the source of energy for life on Earth"
+"the sun is the source of energy for physical cycles on Earth"
+"the sun is the source of solar energy called sunlight"
+"the sun rising and setting causes cycles of day and night"
+"the sun sets in the west"
+"the sun setting occurs once per day"
+"the sun transfers heat energy from itself to the planets through sunlight"
+"the sun transfers solar energy from itself to the Earth through sunlight"
+"the surface of the Earth contains mountains"
+"the surface of the Moon contains mountains"
+"the thickness of the parts of an organism is an inherited characteristic"
+"the tide cycle regularly occurs twice per day"
+"the top layer of soil contains the most nutrients"
+"the type of material through which sound passes changes the speed at which sound travels"
+"the type of seed of a plant is an inherited characteristic"
+"the vanes rotating in an electric fan causes air to move"
+"the volume of an object can be used to describe the size of that object"
+"the winter solstice is on December 21st in the northern hemisphere"
+"the winter solstice is on June 21st in the southern hemisphere"
+"thermal conduction is when materials conduct heat through those materials"
+"thick feathers can be used for keeping warm"
+"tidal energy can be used to produce electricity"
+"tidal range is a measure of the vertical distance from high tide to low tide"
+"timber companies cut down trees"
+"tinted lenses reflect ultraviolet rays"
+"touch can be used for detecting texture"
+"transpiration is when water vapor moves from leaves into the atmosphere"
+"transpiration usually happens in the leaves of a plant"
+"treating water is used to remove harmful substances before drinking"
+"trees are a renewable resource"
+"tuna eat fish"
+"tunnels in soil loosen that soil"
+"two females can not usually reproduce with each other"
+"uneven heating causes convection"
+"uneven heating of the Earth 's surface cause wind"
+"using a car causes pollution"
+"using less resources usually causes money to be saved"
+"using tools is a learned characteristic"
+"usually coral lives in warm water"
+"usually craters on planets are formed by asteroids impacting that planet or moon 's surface"
+"usually plants die or become dormant during the winter"
+"usually plants store the food they produce for future use"
+"vaccines can help prevent illness"
+"veins transport nutrients throughout the body"
+"vibrating matter can produce sound"
+"volcanoes are often found under oceans"
+"warm-weather organisms live in warm climates"
+"water absorbs solar energy in the water cycle"
+"water causes the most soil and rock erosion"
+"water flows down a slope"
+"water is a renewable resource"
+"water is an electrical conductor"
+"water is in the gas state , called water vapor , for temperatures between 100 and 100000000000 F"
+"water is in the solid state , called ice , for temperatures between 0 and 0 F"
+"water is often brackish in an estuary"
+"water vapor condensing in clouds causes rain"
+"water vapor cooling causes that water vapor to condense"
+"water vapor is a kind of water above 100 degrees celsius"
+"water vapor is found in the atmosphere"
+"wax is an electrical energy insulator"
+"wax is an electrical insulator"
+"waxy leaves are used for storing water by some plants"
+"weathering means breaking down surface materials from larger whole into smaller pieces by weather"
+"weathering usually occurs over a period of many years"
+"webbed feet are used for moving faster through water by aquatic animals"
+"when a body of water receives more water than it can hold , a flood occurs"
+"when a cooler object touches a warmer object , thermal conduction occurs"
+"when a gas in an open container evaporates, that gas spreads out into the air"
+"when a habitat can support living things , living things can live in that habitat"
+"when a hibernating frog emergest from mud , that frog has ended its hibernation"
+"when a hurricane moves over land , that hurricane will decrease in strength"
+"when a mineral is rubbed on a streak plate , some of the material breaks off and forms a powder"
+"when a plant grows , the number of the leaves of that plant may increase"
+"when a river floods , that river deposits sediment in flood plains"
+"when a sound is produced inside of a room , there is sometimes an echo after the sound"
+"when a switch in a simple series circuit is closed , electricity will flow through the circuit"
+"when an animal eats or drinks something , that animal tastes that something"
+"when an animal sheds its fur , its fur becomes less dense"
+"when an electrical circuit is working properly , electrical current runs through the wires in that circuit"
+"when an electrical conductor is plugged into an outlet , a circuit is completed"
+"when available resources decrease in an environment , organisms have to conserve those resources"
+"when both a dominant and recessive gene are present , the dominant trait will be visible"
+"when electricity flows to a light bulb , the light bulb will come on"
+"when electricity flows to a light bulb , the light bulb will turn on"
+"when light enters the eye through the pupil , that light falls on the retina"
+"when light hits a reflective object , that light bounces off that object"
+"when pollen sticks to a hummingbird , that pollen will move to where the hummingbird moves"
+"when sound reaches the ear , that sound can be heard"
+"when the body is hot , sweat is produced to cool the body"
+"when the needle of a compass lines up with Earth 's magnetic poles , the needle points north"
+"when the season changes , the amount of daylight will change"
+"when the seasons change from the summer to the fall , the amount of daylight will decrease"
+"when water freezes , that water expands"
+"white blood cell destroys pathogens in the body"
+"wildfire is when a forest catches fire"
+"wind and rain cause erosion"
+"wind carries dirt from one place to another place"
+"wind carries sand from one place to another place"
+"wind causes erosion"
+"wind is a renewable resource"
+"wind is a source of energy"
+"wind is an inexhaustible resource"
+"wind is used for producing electricity"
+"windy means high wind speeds"
+"winter in a hemisphere occurs when the Pole located in that hemisphere is tilted away from the Sun"
+"winter in the Northern Hemisphere is during the summer in the Southern Hemisphere"
+"winter is when a hemisphere is tilted away from the sun"
+"wiring requires an electrical conductor"
+"wood is a renewable resource"
+"wood is an electrical energy insulator"
+"wood is an thermal energy insulator"
+"xylem carries water from the roots of a plant to the leaves of a plant"
+"xylem transports materials through the plant"
+"young amphibians breathe through gills"