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Environ. Sci. Ch 5/6
Environmental Science Chapter 5 and 6 Glencoe/McGraw-Hill
| Term | Definition |
|---|---|
| mechanical energy | total amount of kinetic and potential energy in a system |
| work | transfer of energy through motion |
| temperature | measure of the average kinetic energy of the particles in a sample of matter |
| thermal pollution | may occur as an effect of waste heat on the environment |
| energy | the ability to cause change |
| specific heat | amount of energy it takes to raise the temperature of 1 kg of a material 1 Celsius degree |
| heat | energy that flows from something with a higher temperature to something with a lower temperature |
| potential energy | stored energy |
| kinetic energy | energy in the form of motion |
| law of conservation of energy | energy may change from one form to another but it cannot be created or destroyed under ordinary conditions |
| thermal energy | total energy of the particles in a material |
| joules | a unit for measuring heat |
| velocity | the amount of kinetic energy a moving object has depends on its mass and _______________ |
| chemical energy | the energy stored in foods, fuels, and batteries |
| cooling tower | a device that helps prevent thermal pollution by using fans ro evaporation to remove thermal energy from water |
| electricity | Scientists are hoping to change thermal energy in ocean water into ____________. |
| heat engine | a device that changes thermal energy into mechanical energy |
| solar collector | a device that absorbs radiant energy from the sun |
| convection | the transfer of heat energy by movement of matter |
| insulator | materials such as air, wood, and rubber that do not allow heat to pass through them easily |
| radiator | a device with a large surface area designed to heat the air near it by conduction |
| combustion | a rapid burning of fuels that take place in engines |
| conduction | energy is transferred through matter by direct contact of particles by this |
| solar energy | energy from the sun |
| radiation | a type of heat transfer that does not require matter |
Created by:
gcowing
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