Chapter 4
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Created by:
mtortorelli on January 9, 2012
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14 terms
Terms | Definitions |
|---|---|
 Kinetic theory of matter | states that all of the particles that make up matter are constantly in motion |
| temperature | a measure of the average kinetic energy of the particles in a sample of matter |
| degree | units that temperature is measured in |
| thermometer | a device that measures temperature by regular change in the material inside it |
| heat | flow of energy due to temperature differences |
| thermal energy | the total random kinetic energy of particles in an object |
| calorie | the amount of energy needed to raise the temperature of 1 gram of water by one degree C |
| joule | standard unit of energy |
| specific heat | the heat required to raise the temperature of one gram of a substance one degree centigrade |
| conduction | the transfer of heat within a material or between materials that are touching |
| conductor | a material that easily allows the flow of electricity |
| insulator | a material that does not transfer energy easily |
| convection | a process that moves energy throught large numbers of particles in a gas or liquid moving in a particular direction |
| radiation | energy that moves as electromagnetic waves |
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