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a ball rolling is an example of an object moving & moving changes potential energy into kinetic energy and heat energy -> a ball rolling will change the potential energy of the ball into kinetic energy and heat energy
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a ball rolling will change the potential energy of the ball into kinetic energy and heat energy & down the hill is a kind of direction & a metal ball is a kind of ball -> a metal ball rolling down the hill will change the potential energy into kinetic energy and heat energy
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potential energy of an object is determined by the mass and the height of the object & a roller coaster is a kind of object -> potential energy of the roller coaster is determined by its mass and its height
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potential energy of the roller coaster is determined by its mass and its height & the height of a roller coaster car is known -> if we know the mass of the roller coaster, then we can determine the potential energy of the rollar coaster
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a soccer ball is going upward after being kicked & going upwards means increasing the altitude -> the altitude of the soccer ball is increasing
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a ball is a kind of object & a soccer ball is a kind of ball -> a soccer ball is a kind of object
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the altitude of the soccer ball is increasing & a soccer ball is a kind of object & as the altitude of an object increases , the potential energy of the object will increase -> the potential energy of the soccer ball will increase
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substances are made of molecules & water is a kind of substance -> water is made of molecules
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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
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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
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as a string vibrates harder / faster , the volume of the sound produced will increase & as a string of a musical instrument is plucked harder , the string will vibrate harder / faster -> as a string of a musical instrument is plucked harder, the volume of the sound will increase
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as a string of a musical instrument is plucked harder, the volume of the sound will increase & as a string of a musical instrument is plucked harder , the pitch produced will not change -> as the string of a musical instrument is plucked harder, the pitch will stay the same and the volume of the sound will increase
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as the string of a musical instrument is plucked harder, the pitch will stay the same and the volume of the sound will increase & a guitar is a kind of musical instrument -> as the string of a guitar is plucked harder, the pitch will stay the same and the volume of the sound will increase
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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
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the sound wave with large amplitude would have a bigger volume than the sound wave with small amplitude & volume is a property of sound and includes ordered values of quiet / normal / loud -> the sound wave with large amplitude would be louder than the sound wave with small amplitude
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there is a sound wave with large amplitude & as the amplitude of a sound wave increases , the amount of energy in that sound wave will increase & there is a sound wave with small amplitude -> the sound wave with large amplitude would have more energy than the sound wave with small amplitude
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the sound wave with large amplitude would be louder than the sound wave with small amplitude & the sound wave with large amplitude would have more energy than the sound wave with small amplitude -> the sound wave with large amplite would be louder and have more energy than the sound wave with small amplitude
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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
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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
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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 the cave, then the sound will reflect off from the cave wall and produce echo
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objects are made of matter & a rubber band is a kind of object -> a rubber band is made of matter
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a rubber band is made of matter & vibrating matter can produce sound -> vibrating the matter in the rubber band can produce sound
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vibrating the matter in the rubber band can produce sound & snapping a rubber band can cause the matter in the rubber band to vibrate -> snapping a rubber band will produce sound
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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
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plucking a string can be a source of sound through vibrations & a source of something emits / produces / generates / provides that something -> plucking a string can produce sound through vibrations
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a rubber band is a kind of object & objects are made of matter -> a rubber band is made of matter
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a rubber band is made of matter & vibrating matter can produce sound -> vibrating the matter in the rubber band can produce sound
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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
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tapping a fork against a glass causes the particles in the objects to vibrate & vibrations are a source of sound -> the vibration of the particles caused by tapping the fork on a glass is a source of sound
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the vibration of the particles caused by tapping the fork on a glass is a source of sound & a source of something produces that something -> the vibration of the particles caused by tapping the fork on a glass produces sound
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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
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the vibration of molecules can cause sound & sound is made of sound waves -> the vibration of molecules can cause sound wave
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sound energy is transferred by vibrational waves & intense sound energy can move objects -> insense sound energy can move objects by making them vibrate
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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 through intense sound energy
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a thunder can move objects by making them vibrate through intense sound energy & a window is a kind of object -> a thunder can move a window by making them vibrate through intense sound energy
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a thunder can move a window by making them vibrate through intense sound energy & a rattle is a kind of vibration -> a thunder can make a window rattle through intense sound energy
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matter is made of particles & air is a kind of matter -> air is a matter made of air particles
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air is a matter made of air particles & sound requires matter to travel -> sound can travel through air
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vibration is a kind of motion & something requires motion to travel -> something can travel by vibrations
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sound can travel through air & something can travel by vibrations -> sound can travel through air by vibrating air
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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
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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 the flute is played
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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
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sound wave is formed by the vibration of the source spreading around from the source & spreading around is similar to spreading in all directions -> sound waves spread in all directions away from their source
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sound requires matter to travel & a vacuum has no matter in it -> sound cannot travel through a vacuum
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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
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the air vibrations inside the whistle are a source of sound & sound waves spread in all directions away from their source -> the air vibration inside the whistle causes the sound waves to spread in all directions
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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
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vibrations of particles will travel the fastest in solid state of matter & sound travels through vibrations of particles -> sound travels fastest through solid
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if the particles are farther away from each other, then the vibrations of particles will spread slower & particles in gas are the farthest away from each other among gas, liquid, and solid state of matter -> vibrations of particles will travel the slowest in gas
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vibrations of particles will travel the slowest in gas & sound travels through vibrations of particles -> sound travels slowest through gas
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sound travels fastest through solid & sound travels slowest through gas -> sound travels fastest through solid and slowest through gas
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iron is a kind of solid & sound travels fastest through solid -> sound will travel fastest in iron
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a rock is usually a solid & sound travels fastest through solid -> sound travels fastest in a rock
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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
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removing a hot pan from an oven requires a thermal insulator & potholders are used to remove hot pans from an oven -> potholders are used as a thermal insulator to remove a hot pan from an oven
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steam is hot in temperature & a hot substance is a source of heat -> steam is a source of heat
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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
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steam is a source of heat & a source of heat can be used to cook food by adding heat energy to the food -> steam can be used to cook food by adding heat to the food
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steam can be used to cook food by adding heat to the food & adding heat to something means trasferring heat to that something -> steam can be used to cook food by transferring heat to the food
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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
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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
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a spoon sometimes is made of metal & metal is a thermal conductor -> a spoon is a kind of thermal conductor
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a spoon is a kind of thermal conductor & if a thermal conductor is exposed to a source of heat then that conductor may become hot / warm -> if a spoon is exposed to a source of heat, then the conductor may become hot
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the metal spoon is exposed to a source of heat & if a spoon is exposed to a source of heat, then the conductor may become hot -> the metal spoon will become home
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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
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a spoon sometimes is made of metal & metal is a thermal / thermal energy conductor -> a metal spoon is a thermal conductor
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a hot substance is a source of heat & soup is a kind of substance -> hot soup is a source of heat
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hot soup is a source of heat & a metal spoon is placed in a pot of hot soup -> the hot soup will be a source of heat for the metal spoon
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a metal spoon is a thermal conductor & the hot soup will be a source of heat for the metal spoon & if a thermal conductor is exposed to a source of heat, then thermal conduction will make the thermal conductor become hot -> the metal spoon will be heated up by thermal conduction
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a spoon sometimes is made of metal & metal is a thermal / thermal energy conductor -> a metal spoon is a thermal conductor
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a hot substance is a source of heat & soup is a kind of substance -> hot soup is a source of heat
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hot soup is a source of heat & a metal spoon is placed in a pot of hot soup -> the hot soup will be a source of heat for the metal spoon
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a metal spoon is a thermal conductor & the hot soup will be a source of heat for the metal spoon & if a thermal conductor is exposed to a source of heat, then thermal conduction will make the thermal conductor become hot -> the metal spoon will be heated up by thermal conduction
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a spoon sometimes is made of metal & metal is a thermal / thermal energy conductor -> a metal spoon is a thermal conductor
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soup is a kind of substance & a hot substance is a source of heat -> hot soup is a source of heat
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hot soup is a source of heat & a metal spoon is placed in a pot of hot soup -> the hot soup will be a source of heat for the metal spoon
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a metal spoon is a thermal conductor & the hot soup will be a source of heat for the metal spoon & if a thermal conductor is exposed to a source of heat, then thermal conduction will make the thermal conductor become hot -> the metal spoon will be heated up by thermal conduction
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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
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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
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fire transfers heat through waves in the process of radiation & a campfire is a kind of fire -> the campfire transfers heat through waves in the process of radiation
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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
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sunlight is a kind of light & light is a kind of electromagnetic radiation -> sunlight is a kind of electromagnetic radiation
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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
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sunlight is a kind of electromagnetic radiation that can shine through a window & electromagnetic radiation transfers heat and light energy by radiation -> sunlight can transfer heat and light energy through a window by radiation
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sunlight can transfer heat and light energy through a window by radiation & sunlight passes the windows of a car and heat up the car seat -> the car seat is heated by the sunlight by radiation
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sunlight is a kind of light & light is a kind of electromagnetic wave -> sunlight is a kind of electromagnetic wave
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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
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sunlight transfers heat and light energy through radiation & the sun transmits light to earth through space -> the sun transfers heat and light energy to earth through space by radiation
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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
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the lightning in the thunderstorms produces eletromagnetic radiation of a wide range & electromagnetic radiation distorts the frequency of the radio waves -> the lightning in the thunderstorm will distort the frequency of the radio waves
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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
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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
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distortion of a radio signal causes a buzzing sound & radio signal is a kind of radio wave -> distortion of the radio waves causes a buzzing sound
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distortion of the radio waves causes a buzzing sound & electromagnetic radiation distorts the frequency of the radio waves -> electromagnetic radiation causes a buzzing sound by distorting the frequency of the radio waves
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electromagnetic radiation causes a buzzing sound by distorting the frequency of the radio waves & electromagnetic radiation is made of electromagnetic waves -> electromagnetic waves cause a buzzing sound by distorting the frequency of the radio waves
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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
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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 bounce off the edge of the pond when they strike it
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the waves in the pond may bounce off the edge of the pond when they strike it & edge of a pond is a kind of surface & reflection is when a wave bounces off a surface and travels in the opposite direction relative to the angle of incidence -> reflection of the waves will happen when the waves strike the edge of the pond
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sound waves transfer energy & x-rays transfer energy -> both sound waves and x-rays transfer energy
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