Heating and Cooling Revision

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1 Temperature How hot or cold something is Example of a conductor Example of an insulator Metal Thermometer A device used to measure temperature This is caused by a gain in heat energy, which causes the particles the take up more space Polystyrene Expansion Convection The movement of air and other gases due to heat When hot particles rise, and then fall as they cool down Particles in a Gas Particles in a Liquid Particles in a Solid Heat energy can easily pass through this material Hea
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  1 Temperature How hot or coldsomething is Example of aconductor Metal Thermometer A device used tomeasuretemperature Example of aninsulator Polystyrene Expansion This is caused by again in heat energy,which causes theparticles the take upmore space Convection The movement of air and other gasesdue to heat Particles in aGasConvectioncurrent When hot particlesrise, and then fallas they cool down Particles in aLiquidFluids Liquids and Gases Particles in aSolidVacuum There are noparticles present Conductor Heat energy caneasily pass throughthis material Radiation Heat energy thatmoves without amedium. It doesnot requireparticles Insulator Heat energy cannoteasily pass throughthis material ConductionandConvection Both requireparticles thatmove, in order totransfer heatenergy Thermalenergy Is transferred froma hot object to acold object Medium Needed to transferheat energy byconduction andconvection Melting point When a solidbecomes a liquid Boiling point When a liquidbecomes a gas Freezing When a liquidbecomes a solid Condensing When a gasbecomes a liquid  2When a gasbecomes a liquidMetalWhen a gasbecomes a liquidMetalHeat energy thatmoves without amedium. It doesnot requireparticlesHeat energy thatmoves without amedium. It doesnot requireparticles This is caused by again in heat energy,which causes theparticles the take upmore space The movement of air and other gasesdue to heat This is caused by again in heat energy,which causes theparticles the take upmore space The movement of air and other gasesdue to heatHeat energy cannoteasily pass throughthis materialWhen a liquidbecomes a gasHeat energy cannoteasily pass throughthis materialWhen a liquidbecomes a gasWhen a liquidbecomes a solidWhen hot particlesrise, and then fallas they cool downWhen a liquidbecomes a solidWhen hot particlesrise, and then fallas they cool downA device used tomeasuretemperatureLiquids and GasesA device used tomeasuretemperatureLiquids and GasesThere are noparticles presentThere are noparticles presentHeat energy caneasily pass throughthis materialWhen a solidbecomes a liquidHeat energy caneasily pass throughthis materialWhen a solidbecomes a liquidPolystyreneBoth requireparticles thatmove, in order totransfer heatenergyPolystyreneBoth requireparticles thatmove, in order totransfer heatenergyNeeded to transferheat energy byconduction andconvectionNeeded to transferheat energy byconduction andconvectionHow hot or coldsomething isIs transferred froma hot object to acold objectHow hot or coldsomething isIs transferred froma hot object to acold object  3 TemperatureExample of aconductorThermometerExample of aninsulatorExpansionConvectionParticles in aGasConvectioncurrentParticles in aLiquidFluidsParticles in aSolidVacuumConductorRadiationInsulatorConductionandConvectionThermalenergyMediumMelting pointBoiling pointFreezingCondensing
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