miércoles, 27 de abril de 2011

Vocabulary #4 Temperature and Heat

1-kinetic energy: the energy of a moving object.










2-potential 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 electromagnetic waves.










6-conduction: the transfer of energy by direct contact of molecules.







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










8-insulation: prevents heat from flowing in or out of a material.

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