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Term Definition Illustration
Thermal Energy
transfer is heat moving from a warmer object to a cooler object. This is known as thermal energy transfer.
TemperatureA measure of how hot or cold something is
Physical Change
Begins and end with the same type of matter. You can cut, crush, bend, and tear matter.
EX: cutting paper, ice melting, or water freezing
Heat causes matter to expand and when being cooled it will contract
Chemical Change
Begins with one kind of matter and ends with another. Also known as a chemical reactionMay give off heat, light, or electricity
Examples:Fireworks
Burning wood Baking cookie
Rust Baking soda and vinegar
Term Definition Illustration
Conduction
The transfer of heat by touching something that is hot
heat is transferred from the flame to the
pot
Convection
the process of heat transfer in liquids and gases
as the pot heats it transfers energy to the water
Radiation
The transfer of heat that travels in waves from a source, such as a fire or the sun
Conductor
A substance that allows heat to pass through it easilyAny kind of metal is a conductor Iron, aluminum, copper, steel
InsulatorA substance that does not allow heat to pass through easily; a substance that prevents heat from being lostRubber, plastic, fleece