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Ps ch 6
Vocab
| Term | Definition |
|---|---|
| temperature | temp of an object |
| heat | thermal energy that flows from something at a higher temperature to something at a lower temperature |
| thermal energy | sum of the kinetic and potential energy of all the particles in an object |
| specific heat | amount of heat that is needed to raise the temperature of 1kg of some material by 1 C |
| conduction | transfer of thermal energy by collisions between particles in matter |
| convection | the transfer of thermal energy in fluid by the movement of warmer and cooler fluid from place to place |
| radiation | transfer of energy by electromagnetic waves |
| insulator | material in which heat flows slowly |
| solar collector | device use in an active solar heating system that absorbs radiant energy from the sun |
| thermodynamics | study of the relationship between thermal energy, heat, and work |
| first law of thermodynamics | states that the increase in thermal energy of a system equals the word done on the system plus 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 | heat engine that burns fuel inside the engine in chambers or cylinders |
Created by:
merariramos1
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