Heat Transfer Vocabulary

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Presentation transcript:

Heat Transfer Vocabulary

Heat Kinetic energy in a substance.

Thermal Equilibrium Molecules move from warm to cold until they reach a balanced temperature.

Conduction The transfer of heat by direct contact between solids.

Convection Transfer of heat in liquids & gases.

Radiation Transfer of heat in empty space without any particles.

Thermal Energy The total potential and kinetic energy of particles in an object.

Insulator An object that reduces the transfer of heat.

Conductor An object that easily allows the transfer of energy.

Contraction As molecules are cooled they move closer together and cause objects to shrink (contract) Cooling = Smaller

expansion as molecules are heated they spread out as they move around quickly and cause objects to become larger (expand) Heating = Bigger

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