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the transfer of thermal with no overall transfer of matter, within a material or between materials that are touching


the transfer of thermal energy when particles of a fluid alternaty heats up and cools down

absolute zero

a temperature of 0 kelvins


the transfer of energy by waves moving through space

specific heat

the amount of heat needed to raise the temperature of one gram of material by one degree celsius


a measure of how hot or cold an object is compared to a reference point

heat energy

a form of energy that is transferred by a difference in temperature


the process of burning fuel to produce thermal energy

melting point

sthe temperature in which a solid turns into a liquid

freezing point

the temperature below which a liquid turns into a solid

boiling poiint

the temperature at which a substance changes from a liquid to a gas

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