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ch6 vocab
vocab
| Question | Answer |
|---|---|
| temperature | measure of the average kinetic energy of all the particles of an object |
| thermal energy | sum of the kinetic and potential energy of the particles in an object; is transferred by conduction, convection or radiation |
| heat | thermal energy that flows from a warmer material to a cooler material |
| specific heat | amount of thermal energy needed to raise the temperature of 1kg of material |
| conduction | transfer of thermal energy by collisions between particles in matter at a higher temperature and particles 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 by electromagnetic waves |
| insulator | material in which electrons are not able to move easily |
| solar collectors | device used 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 | the increase of thermal energy of a system equals the work done on the system plus the heat added |
| second law of thermodynamics | impossible for heat to flow from a cool object to a warm object unless work is done |
| internal combustion engine | heat engine that burns fuel inside the engine in cylinders or chambers |
Created by:
Patti_lover20
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