sentences
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[ "substances are made of molecules & water is a kind of substance -> water is made of molecules", " water is made of molecules & temperature is a measure of kinetic energy of molecules -> the temperature of the water is a measure of the kinetic energy of molecules", " " ]
1
[ "as matter vibrates harder / faster , the volume of the sound produced will increase & a string is a kind of object made from matter -> as a string vibrates harder / faster , the volume of the sound produced will increase", " as a string vibrates harder / faster , the volume of the sound produced will increase &...
1
[ "there is a sound wave with large amplitude & there is a sound wave with small amplitude & as the amplitude of a sound wave increases , the volume of that sound wave will increase -> the sound wave with large amplitude would have a bigger volume than the sound wave with small amplitude", " the sound wave with la...
1
[ "a canyon wall is a kind of surface & echo is when sound reflects off of a surface -> sound can reflect off the canyon wall and produce an echo", " " ]
1
[ "a person speaking is a source of sound & echo is when sound reflects off of a surface -> the sound of a person speaking can reflect off of a surface and produce echo", " the sound of a person speaking can reflect off of a surface and produce echo & cave walls are a kind of surface -> if a person makes sound in ...
1
[ "objects are made of matter & a rubber band is a kind of object -> a rubber band is made of matter", " a rubber band is made of matter & vibrating matter can produce sound -> vibrating the matter in the rubber band can produce sound", " vibrating the matter in the rubber band can produce sound & snapping a ru...
1
[ "vibrations are a source of sound & plucking a string can cause that string to vibrate -> plucking a string can be a source of sound through vibrations", " plucking a string can be a source of sound through vibrations & a source of something emits / produces / generates / provides that something -> plucking a st...
1
[ "a rubber band is a kind of object & objects are made of matter -> a rubber band is made of matter", " a rubber band is made of matter & vibrating matter can produce sound -> vibrating the matter in the rubber band can produce sound", " " ]
1
[ "tapping two objects together causes the particles in those objects to vibrate & glass is a kind of object & a fork is a kind of object -> tapping a fork against a glass causes the particles in the objects to vibrate", " tapping a fork against a glass causes the particles in the objects to vibrate & vibrations a...
1
[ "the molecules in the wood begin to vibrate from the force of the book & molecules vibrating can cause sound -> the vibration of molecules can cause sound", " the vibration of molecules can cause sound & sound is made of sound waves -> the vibration of molecules can cause sound wave", " " ]
1
[ "sound energy is transferred by vibrational waves & intense sound energy can move objects -> insense sound energy can move objects by making them vibrate", " insense sound energy can move objects by making them vibrate & a thunder has intense sound energy -> a thunder can move objects by making them vibrate thr...
1
[ "matter is made of particles & air is a kind of matter -> air is a matter made of air particles", " air is a matter made of air particles & sound requires matter to travel -> sound can travel through air", " vibration is a kind of motion & something requires motion to travel -> something can travel by vibrat...
1
[ "someone plays the flute & if a flute is played, then the air in the flute will vibrate -> the air in the flute will vibrate when the flute is played", " the air in the flute will vibrate when the flute is played & vibrations are a source of sound -> the vibrations of air in the flute are a source of sound when ...
1
[ "sound wave is a kind of wave & a wave is formed by the vibration of the source spreading around from the source -> sound wave is formed by the vibration of the source spreading around from the source", " sound wave is formed by the vibration of the source spreading around from the source & spreading around is s...
1
[ "sound requires matter to travel & a vacuum has no matter in it -> sound cannot travel through a vacuum", " " ]
1
[ "blowing air into a whistle causes air to vibrate inside the whistle & vibrations are a source of sound -> the air vibrations inside the whistle are a source of sound", " the air vibrations inside the whistle are a source of sound & sound waves spread in all directions away from their source -> the air vibration...
1
[ "if the particles are closer to each other, then the vibrations of particles will travel faster & particles in solid are closest to each other among gas, liquid, and solid state of matter -> vibrations of particles will travel the fastest in solid state of matter", " vibrations of particles will travel the faste...
1
[ "iron is a kind of solid & sound travels fastest through solid -> sound will travel fastest in iron", " " ]
1
[ "a rock is usually a solid & sound travels fastest through solid -> sound travels fastest in a rock", " " ]
1
[ "removing hot objects from a heat source requires thermal insulators & an oven is a source of heat & a pan is a kind of object -> removing a hot pan from an oven requires a thermal insulator", " removing a hot pan from an oven requires a thermal insulator & potholders are used to remove hot pans from an oven -> ...
1
[ "steam is hot in temperature & a hot substance is a source of heat -> steam is a source of heat", " cooking food requires adding heat energy to the food & a source of heat can be used to heat something -> a source of heat can be used to cook food by adding heat energy to the food", " steam is a source of heat...
1
[ "if one object touches something then one is exposed to that something & a metal spoon is touching the pan -> the metal spoon is exposed to the pan", " the metal spoon is exposed to the pan & the pan is a source of heat -> the metal spoon is exposed to a source of heat", " a spoon sometimes is made of metal &...
1
[ "thermal conduction is when heat flows from warmer object to cooler object & when a cooler object touches a warmer object , thermal conduction occurs -> heat flows from warmer object to cooler object through thermal conduction when two objects are touching", " " ]
1
[ "a spoon sometimes is made of metal & metal is a thermal / thermal energy conductor -> a metal spoon is a thermal conductor", " a hot substance is a source of heat & soup is a kind of substance -> hot soup is a source of heat", " hot soup is a source of heat & a metal spoon is placed in a pot of hot soup -> ...
1
[ "a spoon sometimes is made of metal & metal is a thermal / thermal energy conductor -> a metal spoon is a thermal conductor", " a hot substance is a source of heat & soup is a kind of substance -> hot soup is a source of heat", " hot soup is a source of heat & a metal spoon is placed in a pot of hot soup -> ...
1
[ "a spoon sometimes is made of metal & metal is a thermal / thermal energy conductor -> a metal spoon is a thermal conductor", " soup is a kind of substance & a hot substance is a source of heat -> hot soup is a source of heat", " hot soup is a source of heat & a metal spoon is placed in a pot of hot soup -> ...
1
[ "thermal conduction is when materials conduct heat through those materials through collision of particles & thermal conduction is when heat flows from warmer object to cooler object -> thermal conduction is a heat exchange process involving the collision of particles", " " ]
1
[ "radiation is a kind of process & fire transfers heat through radiation & radiation is when heat is transferred through waves / particles -> fire transfers heat through waves in the process of radiation", " fire transfers heat through waves in the process of radiation & a campfire is a kind of fire -> the campfi...
1
[ "the sun transfers heat energy from itself to the planets / earth through sunlight & the sun is the source of energy for life on earth -> the source of heat energy on earth is transferred from the sun to earth", " " ]
1
[ "sunlight is a kind of light & light is a kind of electromagnetic radiation -> sunlight is a kind of electromagnetic radiation", " sunlight is a kind of electromagnetic radiation & sunlight can shine through a window -> sunlight is a kind of electromagnetic radiation that can shine through a window", " sunlig...
1
[ "sunlight is a kind of light & light is a kind of electromagnetic wave -> sunlight is a kind of electromagnetic wave", " sunlight is a kind of electromagnetic wave & radiation is when electromagnetic waves transfers heat and light energy -> sunlight transfers heat and light energy through radiation", " sunlig...
1
[ "lightning produces electromagnetic radiation of a wide range & lightning occurs during lightning storms / thunderstorms -> the lightning in the thunderstorms produces eletromagnetic radiation of a wide range", " the lightning in the thunderstorms produces eletromagnetic radiation of a wide range & electromagnet...
1
[ "tossing a ball in the air cannot form a source of vibration & a wave is formed by the vibration of the source spreading around from the source -> tossing a ball in the air cannot form a wave", " " ]
1
[ "interruption of a radio signal is similar to distortion of a radio signal & interruption of a radio signal causes a buzzing sound -> distortion of a radio signal causes a buzzing sound", " distortion of a radio signal causes a buzzing sound & radio signal is a kind of radio wave -> distortion of the radio wave...
1
[ "a surface is a kind of object & edge of a pond is a kind of surface -> edge of a pond is a kind of object", " edge of a pond is a kind of object & the waves in the pond strike the edge of the pond & if something strikes an object then that something may bounce off of that object -> the waves in the pond may bo...
1
[ "sound waves transfer energy & x-rays transfer energy -> both sound waves and x-rays transfer energy", " " ]
1
[ "transverse waves cause objects to move perpendicular to the direction of the wave & a particle is a kind of object -> transverse waves cause particles to move perpendicular to the direction of the wave", " " ]
1
[ "if two balanced forces act on an object in opposite directions then that object will remain stationary & if vehicle is parked then that vehicle is stationary & a vehicle is a kind of object -> a parked vehicle is an example of two balanced forces acting on the vehicle", " a parked vehicle is an example of two b...
1
[ "wheels are a part of roller skates & a roller skate is a kind of vehicle -> a roller skate is a kind of vehicle with wheels", " a roller skate is a kind of vehicle with wheels & a wheeled vehicle is a kind of vehicle with wheels -> a roller skate is a kind of wheeled vehicle", " a roller skate is a kind of w...
1
[ "skidding is when the tire of a vehicle slides on the road without rotating & if somethings slides on something else then that something is moving against that something else -> skidding is when the tire of a vehicle moves against the road without rotating", " friction occurs when two object 's surfaces move aga...
1
[ "friction occurs when two object 's surfaces move against each other & as roughness of a surface increases , friction will increase -> as the roughness of a surface increases, friction on the moving object will increase", " as the roughness of a surface increases, friction on the moving object will increase & wo...
1
[ "ground is a kind of object & a wagon is a kind of object -> a wagon and ground are kinds of objects", " a wagon and ground are kinds of objects & when the wagon is moving down the hill, it is moving against the ground & friction occurs when two object 's surfaces move against each other -> friction occurs betw...
1
[ "as the friction increases, the resistance on the object to move will increase & as roughness of a surface increases , friction will increase -> as the roughness of a surface increases, the resistance on the object to move will increase", " as the roughness of a surface increases, the resistance on the object to...
1
[ "a ramp is a kind of object & a block is a kind of object -> a block and a ramp are kinds of objects", " a block and a ramp are kinds of objects & sliding is a kind of moving & a block is sliding down a ramp & friction occurs when two object 's surfaces move against each other -> friction occurs between the blo...
1
[ "pool balls are moving on the surface of the felt of the pool table & a pool table is a kind of object & a pool ball is a kind of object & friction occurs when two object 's surfaces move against each other -> friction will occur between the pool ball and the felt of the pool table", " friction will occur betwee...
1
[ "friction causes the temperature of an object to increase & heat means temperature increases -> friction causes an object to heat", " friction causes an object to heat & oil is used to decrease the friction among parts in the car engine -> oil can be used to decrease the heat among parts in the car engine produc...
1
[ "ramp is a kind of surface & as roughness of a surface increases , friction will increase -> as roughness of the ramp increases, friction will increase", " as roughness of the ramp increases, friction will increase & putting a rough paper on the ramp will increase the roughness of the ramp -> putting a rough pap...
1
[ "a ball is a kind of object & gravity pulls objects towards planets & gravity is a kind of force -> gravity is the force that pulls the ball towards the planet", " " ]
1
[ "gravity causes objects that have mass / substances to be pulled down / to fall on a planet & marble is a kind of object / material & gravity is a kind of force -> gravity is the force that causes the marble to be pulled down on a planet", " " ]
1
[ "a rock is a kind of object & gravity causes objects that have mass / substances to be pulled down / to fall on a planet & gravity is a kind of force -> gravity is the force that causes rocks to be pulled down on the planet", " " ]
1
[ "gravity causes objects that have mass / substances to be pulled down / to fall on a planet & gravity is a kind of force & a ball is a kind of object -> gravity is the force that pulls the ball towards the planet", " " ]
1
[ "gravity causes objects that have mass / substances to be pulled down / to fall on a planet & gravity is a kind of force & a ball is a kind of object -> gravity is the force that pulls the ball towards the planet", " " ]
1
[ "gravity causes objects that have mass / substances to be pulled down / to fall on a planet & gravity is a kind of force & marble is a kind of object / material -> gravity is the force that causes the marble to be pulled down on a planet", " gravity is the force that causes the marble to be pulled down on a plan...
1
[ "gravity is a kind of force & gravity causes objects that have mass / substances to be pulled down / to fall on a planet & a pencil is a kind of object -> gravity is the force that causes the pencial to be pulled down on a planet", " " ]
1
[ "a decrease is a kind of change & as the mass of an object decreases , the force of gravity on that object will decrease -> as the mass of an object changes, the force of gravity on that object will change", " as the mass of an object changes, the force of gravity on that object will change & if something change...
1
[ "the mass of an object causes the gravitational force exerted by that object & if something causes something else then that something else depends on that something -> the gravitational force on an object depends on the mass of the object", " " ]
1
[ "if something causes something else then that something else depends on that something & the mass of an object causes the gravitational force exerted by that object -> the gravitational force on an object depends on the mass of the object", " " ]
1
[ "flying an object requires lift to oppose the object 's weight & a glider is a kind of object -> flying a glider requires lift to oppose the weight of the glider", " " ]
1
[ "a cloth is a kind of object & a plastic strip is a kind of object -> a cloth and a plastic strip are kinds of object", " a cloth and a plastic strip are kinds of object & there is a negatively-charged piece of cloth & there is a negatively-charged plastic strip & charge is a property of an object and includes o...
1
[ "if battery in an electromagnet is active then the nail in the electromagnet will become magnetic & the student connects the wire wrapping an iron nail to a battery -> the iron nail will become magnetic", " the iron nail will become magnetic & a nail is a kind of object & magnetic attraction pulls two objects to...
1
[ "a soccer ball is a kind of ball & a ball is a kind of object -> a soccer ball is a kind of object", " a soccer ball is a kind of object & a soccer player kicks a soccer ball & if an object is kicked then force is exerted on that object -> a force is exerted on the soccer ball through the kick", " a soccer ba...
1
[ "a rock is a kind of object & a lever is used for lifting / moving heavy objects -> a lever can be used for lifting a heavy rock", " " ]
1
[ "pedalling a bicycle requires moving the pedals in a circular motion & pedals are part of a bicycle for pedalling -> the pedals are the part of a bicycle that moves in circular motion", " " ]
1
[ "an inclined plane increases the distance over which an object travels & an inclined plane decreases the force required to move an object to a different altitude -> an inclined plane increases the distance the object travels and decrease the force needed to move the object", " " ]
1
[ "speed is a measure of distance travelled by an object divided by time & race is when vehicles / humans compete in speed -> the speed of the race is measured by dividing the distance travelled by time", " " ]
1
[ "unbalanced force causes objects to move & a book is a kind of object & a book on the table starts to move horizontally -> an unbalanced force is applied on the book", " " ]
1
[ "40 m/s describes the speed of an object & north / northward is a kind of direction & velocity is a measure of a speed in a direction -> 40 m/s north describes the velocity of an object", " " ]
1
[ "humans have been on earth for 300000 years & insects have been on earth for 400000000 years & fish have been on earth for 419000000 years & reptiles have been on earth for 370000000 years -> humans have been on earth for the shortest amount of time among insects, reptiles, and fish", " " ]
1
[ "mammals give birth to live young & monkeys give birth to live young -> a monkey is a kind of mammal", " mammals give birth to live young & bats give birth to live young -> a bat is a kind of mammal", " mammals give birth to live young & mice give birth to live young -> a mouse is a kind of mammal", " a mo...
1
[ "trout is a kind of fish & gills are a part of trout -> gills are a part of a fish", " " ]
1
[ "different kinds of trees keep or lose their leaves at different rates & the rate at which trees keep or lose their leaves is a characteristic of trees -> the rate at which trees keep or lose their leaves is a characteristic of trees that is different for different kinds of trees", " the rate at which trees keep...
1
[ "fungi have no chlorophyll & fungi can be multicellular -> fungi have no chlorophyll and fungi can be multicellular", " fungi have no chlorophyll and fungi can be multicellular & fungi absorb nutrients from decaying tissue -> fungi have no chlorophyll and fungi can be multicellular and fungi absorb nutrients fr...
1
[ "a whale is a kind of mammal & a cat is a kind of mammal -> a cat and a whale are both mammals", " a cat and a whale are both mammals & mammal is a kind of class of animal -> a cat and a whale are part of the same class of animals", " an animal is a kind of living thing & living things in the same class are m...
1
[ "an animal is a kind of living thing1 & if two things have the same features then those two things are alike -> if two things have different features then those two things are different", " if two things have different features then those two things are different & if things can be identified as different becaus...
1
[ "plants are a kind of eukaryote0 & a fungus is a kind of eukaryote -> fungi are eukaryotes that obtain nutrients by absorption", " plants are a kind of eukaryote & animals are a kind of eukaryote -> plants and animals are both eukaryotes", " plants and animals are both eukaryotes & if two things are both some...
1
[ "the structure of an organism 's anatomy is used to classify the organism into the appropriate taxonomic rank & inherited characteristics can deterimne the structure of an organism's anatomy -> inherited characteristics can be used to classify an organism into the apropriate taxonomic rank", " genes are able to ...
1
[ "an earthworm does not have an internal skeleton & an invertebrate organism does not have an internal skeleton -> an earthworm is a kind of invertebrate organism", " " ]
1
[ "non-mammals do not nurse their offspring & a mammal usually nurses its offspring -> only mammals nurse their offspring", " glands that make milk are only used for making milk & milk is generally only used for nursing offspring -> glands that make milk are only useful for nursing offspring", " only mammals nu...
1
[ "an animal is a kind of organism & animals are a part of the biological kingdom animalia -> animals are kinds of organisms that are part of the biological kingdom animalia", " animals are kinds of organisms that are part of the biological kingdom animalia & an animal is a kind of eukaryote -> the organisms in t...
1
[ "an odd number of toes is a property of rhinoceroses & an odd number of toes is a property of horses -> horses and rhinoceroses both have an odd number of toes", " horses and rhinoceroses both have an odd number of toes & number of toes is a property of bone structure -> rhinoceroses and horses have a similar b...
1
[ "a frog is a kind of amphibian & a tadpole is a kind of young / baby frog -> a tadpole is a kind of young amphibian", " a tadpole is a kind of young amphibian & metamorphosis is when an amphibian changes from an immature form to an adult form -> an example of metamorphosis is when a tadpole changes from a an im...
1
[ "young amphibians undergo metamorphosis & a frog is a kind of amphibian -> frogs undergo metamorphosis", " " ]
1
[ "a nest contains eggs & birds sit in nests -> birds sit on eggs", " birds sit on eggs & sitting on something provides warmth to that something -> a bird sitting on an egg provides warmth to that egg", " an egg may contain a young animal & an animal requires warmth for survival -> an egg requires warmth to su...
1
[ "the cocoons being created occurs during the the pupa stage in a life cycle & incomplete metamorphosis is when an insect reaches the adult stage without being a pupa -> most insects that undergo incomplete metamorphosis do not build a cocoon", " most insects that undergo incomplete metamorphosis do not build a c...
1
[ "a caterpillar is kind of a young butterfly & a butterfly is a kind of insect -> a caterpillar is a kind of insect", " a caterpillar is a kind of insect & metamorphosis is when an insect changes from an immature form to an adult form -> an example of metamorphosis is when a caterpillar changes from an immature ...
1
[ "a butterfly is a kind of insect & metamorphosis is when an insect changes from an immature form to an adult form -> metamorphosis is when a butterfly changes from an immature form to an adult form", " the immature form of a butterfly is called a caterpillar & the adult form of a caterpillar is called a butterfl...
1
[ "reproduction occurs during adulthood & an example of reproduction is laying eggs -> laying eggs occurs during adulthood", " laying eggs occurs during adulthood & adulthood is a stage in the life cycle process -> laying eggs occurs during the adult stage in the life cycle", " laying eggs occurs during the adu...
1
[ "a cat is a kind of mammal & mammals give birth to live young -> a cat gives birth to live young", " a cat gives birth to live young & to give birth to live young means to undergo live birth -> a cat undergoes live birth", " a cat undergoes live birth & live birth means developing inside the mother instead of...
1
[ "larger means increased size & growth means size increases -> things that grow become larger", " things that grow become larger & leaves undergo growth -> growth causes leaves to become larger", " " ]
1
[ "an organism requires energy for growth and repair & a human is a kind of organism -> a human requires energy for growth and repair", " nutrients are a source of energy for living things & food contains nutrients -> food is a source of energy for living things", " food is a source of energy for living things ...
1
[ "food contains nutrients for living things & nutrients are a source of energy for living things -> food is a source of energy for living things", " food is a source of energy for living things & a living thing requires energy to grow and heal -> a living thing requires food to get energy to grow and heal", " ...
1
[ "food contains nutrients for living things & nutrients are a source of energy for living things -> food is a source of energy for living things", " food is a source of energy for living things & an animal is a kind of living thing -> food is a source of energy for animals", " " ]
1
[ "as the amount of available water decreases , tree-growth rings will become narrower & width is a property of size / shape and includes ordered values of narrow / wide -> as the amount of available water decreases, the width of tree-growth rings becomes narrower", " as the amount of available water decreases, th...
1
[ "living things require water for survival & water is a kind of natural resource -> water is a kind of resource that living things require for survival", " water is a kind of resource that living things require for survival & when available resources decrease in an environment , organisms have to conserve those r...
1
[ "an animal being born when temperatures are warm has a positive impact on that animal 's survival & an animal being born when food is available has a positive impact on that animal 's survival -> an animal being born when food is available and temperatures are warm has a positive impact on that animal's survival",...
1
[ "the opposite of the same is different & two birds are not in the same taxonomic family -> two birds are in different taxonomic families", " two birds live in environments with similar characteristics & environments with similar characteristics place similar environmental pressures on the organisms in them -> t...
1
[ "seasons cause change to the environment & winter is a kind of season -> the winter season can cause change to the environment", " the winter season can cause change to the environment & usually plants die or become dormant during the winter -> an example of a seasonal change is plants dying or becoming dormant...
1
[ "as number of organisms in a group increases , the chance of survival of each organism will increase & offspring are a kind of group of organisms -> as the number of offspring an animal has increases , the number of offspring surviving will increase", " as the number of offspring an animal has increases , the nu...
1
[ "a wolf is a kind of animal & establishing a territory requires keeping other animals away -> establishing a territory can require keeping other wolves away", " howling is a kind of sound & sound can be used for communication by animals -> howling is used for communication by animals", " howling is used for c...
1
[ "an animal requires warmth for survival & winter means environmental temperature decreases -> animals must move to a warmer environment in the winter", " animals must move to a warmer environment in the winter & migration is when animals move themselves from a cooler climate to a warmer climate for the winter ->...
1