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Vocabulary Terms

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TermDefinition
1.Heat 1.The condition or quality of being hot or warmth.
2. Thermal Energy- 2. generated and measured by heat of any kind. Increased by the velocity of molecules in substances.
3. Macroscopic- 3. visible to the naked eye.
4. Microscopic- 4. so small as to be invisible or indistinct without the use of the microscope.
5. Temperature- 5. a measure of the warmth or coldness of an object or substance with reference to some standard value. The temperature of two systems is the same when the systems are in thermal equilibrium.
6. Thermodynamics- 6. the science concerned with the relations between heat and mechanical energy or work, and the conversion of one into the other.
7. Heat Reservoir 7. a hypothetical body of infinitely large mass capable of absorbing or rejecting unlimited quantities of heat without undergoing appreciable changes in temperature, pressure, or density.
8. Conduction- 8. the transfer of heat between two parts of a stationary system, caused by a temperature difference between the parts.
9. Latent Heat- 9. heat absorbed or radiated during a change of phase at constant temperature and pressure
10. Phase Change- 10. a change from one state (solid or liquid or gas) to another without a change in chemical composition
11. Entropy- 11. a function of thermodynamic variables, as temperature, pressure, or composition, that is a measure of the energy that is not available for work during a thermodynamic process.
12. Radiant Heating- 12. the means of heating objects or persons by radiation in which the intervening air is not heated
13. Thermal Expansion- 13. thermal expansion is the tendency of matter to change in volume in response to a change in temperature.
14.
Created by: Linzypaige
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