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Chaper 6 vocab
Chapter 6 vocabulary
| Term | Definition |
|---|---|
| Temperature | measure of the average kinetic energy of all the particles in an object |
| Thermal energy | sum of the kenetic 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 needed to raise the temperature of 1 kg of material 1 C. |
| Conduction | tranfer 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 and cooler fluid from one place to another |
| Radiation | transfer of thermal energy by electromagnetic waves |
| Insulator | material in which heat flows slowly. |
| 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 doen on the system plus the heat added to the system. |
| Secound 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 themal energy into work. |
| Internal combustion engine | heat engine that burns fuel inside the engine in chambers of cylinders. |
Created by:
homerogonzalez
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