Holt Physical Science Ch 10
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Created by:
goldenstacy on May 16, 2012
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16 terms
Terms | Definitions |
|---|---|
 Temperature | Measure of the average kinetic energy of the particles in an object |
| Thermal Expansion | Increase in volume of a substance because of an increase in temperature |
| Absolute Zero | Temperature at which all molecular movement stops |
| Heat | Energy transferred between objects that are at different temperatures |
| Thermal Energy | Total kinetic energy of the particles that make up a substance |
| Thermal conduction | Transfer of thermal energy from one substance to another through direct contact |
| Thermal conductor | Substance that conducts thermal energy well |
| Thermal insulator | Substance that does not conduct thermal energy well |
| Convection | Transfer of thermal energy by the circulation or movement of a liquid or gas |
| Radiation | Transfer of thermal energy by electromagnetic waves, such as visible light and infrared waves |
| Specific Heat | Amount of energy needed to change the temperature of 1kg of a substance by 1 degree C |
| State of Matter | Physical forms in which a substance can exist |
| Change of State | Change of substance from one state of matter to another |
| Insulation | Material that reduces the transfer of thermal energy |
| Heat Engine | Machine that uses heat to do work |
| Thermal Pollution | Excessive heating of a body of water caused by human activity that has a harmful effect on the water |
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