thermal energy definition
Thermal Energy, or heat, is the internal energy in substances; it is the vibration and movement of the atoms and molecules within substances. The more thermal energy in a substance, the faster the atoms and molecules vibrate and move. Geothermal energy is an example of thermal energy. By creating the new devices and methods to concentrate, store, and transport naturally-created thermal energy, human beings can reduce dependence on non-sustainable forms of energy.
Thermal energy is generated to measure by heat of any kind. It is caused by increased activity or velocity of molecules in a substance, which in turn causes temperature to rise accordingly. There are many natural sources of a thermal energy on Earth, making it an important component of alternative energy.
The laws of thermodynamics explain the energy in the form of heat can be exchanged from one physical object to another. For instance, putting fire under a pot of the water will cause the water to heat up as a result of the increased molecular movement. In the way, heat or thermal energy, of fire, is partially transmitted to the water.
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