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chapter 6
| Question | Answer |
|---|---|
| temperature | measure of the average kinetic energy of all the particles in an object |
| heat | thermal engery that flows from a warmer material to a cooler material |
| thermal energy | sum of the kinetic and potential energy of the particles in an object is transferred by conduction convection and radiation |
| specific heat | amount of thermal energy needed to raise the temperature of 1kg of a material |
| conduction | transfer of thermal energy by collisions between particles in matter at a lower temperature |
| convection | transfer of thermal energy in a fluid buy the movement of a 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 more easily |
| solar collector | 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 | states that the increase in thermal energy of a system equals the work 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:
snbeard
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