martes, 26 de abril de 2011

Vocabulary 4

1. Kinetic energy: the energy of a moving object.



2. Potencial energy: energy stored in an object or material.



3.temperature: the average kinetic energy of the molecules in a material.


4.Heat: energy that flows between objects that have different temperatures.



5. Radiation: the transfer of energy by electromegnetic waves.



6.Conduction: the transfer of energy by direct contact of moleculas.



7. Convection: the transfer of energy by the flow of a liquid or gas.



Insulation:prevents heat from flowing in or out of a material.

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