Friday, 14 October 2016

Thermal Energy and Temperature

Thermal Energy:
 Thermal energy is a form of internal energy. Thermal energy is possessed by all material matter and manifest as the random motion of atoms and small particles. The amount of thermal energy depends on the temperature of the matter.

Temperature:
Temperature is a measure of the degree of hotness or coldness of a body.

Transfer of Thermal Energy:
Thermal energy may be transferred from one region to another as a result of a difference in temperature via thermal:
  1. conduction 
  2. convection 
  3. radiation 
Thermal energy flows from a higher temperature object to a lower temperature object. However, this heat exchange will cease when both objects reach thermal equilibrium (same temperature).
Important:
Temperature is not the equivalent of the total energy contained in a body. The total energy contained in a body is comprised of other forms of energy as well.

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