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Ch. 6 Vocab
Sections 1, 2, and 3
| Question | Answer |
|---|---|
| Temperature | Measure of the average kinetic energy of all the particles in an object. |
| Heat | Thermal energy 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 1 kg of material 1 degree Celsius. |
| 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 |
| conduction | transfer of thermal energy by collisions between particles in matter 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 by electromagnetic waves |
| insulator | material in which heat flows slowly |
Created by:
LDinkins
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