lunes, 25 de abril de 2011

Vocabulary 4 - Temperature and Heat

Kinetic energy: the energy of a moving object.


Pottential energy: energy stored in an object or material.


Temperature: the average kinetic energy of the molecules in a material.


Heat: energy that flows between pbjects that have different temperatures.


Radiation: the transfer of energy by electromagnetic waves.


Conduction: the transfer of energy byeby direct contact of molecules.


Convection: the transfer of energyby the flow of aa liquid or gas.


Insulation: prevents heat from flowingin or out of a material.

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