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Roberto Chapter 6
section 1
| Question | Answer |
|---|---|
| heat | thermal energy that flows from something at a higher temperature to something at a lower temperature. |
| temperature | an object is a measure of the average kinetic energy of the particles in the object. |
| thermal energy | the sum of the kinetic and potential energy of all the particles in an object. |
| specific heat | the amount of heat that is needed ot raise the temperature of 1 kg of some material by 1 C |
| conduction | transfer of thermal energy by collisions between particles in matte at a higher temperature and particles in matter at a lower temperature |
| convection | transfer of thermal energy in a fluid by the movement of warmer and cooler fluid from one place to another. |
| radiation | transfer of thermal energy y electromagnetic waves |
| insulator | material in which heat flows slowly. |
| solar collector | device used in an active solar hating system that absorbs radiant energy from the sun. |
| thermodynamics | study of relationship between thermal energy, heat, and work. |
| first law of thermodynamics | States that the increase in thermal energy of a system equals the work done on the system pus the heat added to the system. |
| second law of thermodynamics | states that is impossible for heat to flow from a cool object to a warmer object unless work is done. |
| heat engine | device that converts thermal energy into work. |
| internal combustion engine | An engine that generates motive power by the burning of gasoline, oil, or other fuel with air inside the engine, the hot gases produced |
Created by:
rroberto
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