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Chapter 6
vocabulary
| Term | Definition |
|---|---|
| temperature | measure of the average kinetic energy of all the particles in an object. |
| thermal energy | sum of the kinetic and potential energy of the particles in an object; is transferred by conduction,convection, and radiation. |
| heat | thermal energy that flows from a warmer material to a cooler material |
| specific heat | amount of thermal energy neede to raise the temperature of 1 kg of a material 1c |
| conduction | transfer of thermal energy by collisions between particles in matter at 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 form one place to another. |
| radiation | transfer of thermal 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 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 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:
yadi1998
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