Energy Chapter 5
Order by
17 terms
Terms | Definitions |
|---|---|
 renewable energy | replaced quickly |
| fossil fuel | coal, oil, gas - millions of years old |
| perpetual motion machine | a machine that would run forever |
| law of conservation of energy | energy is neither created nor destroyed, only transferred |
| energy efficiency | compares energy before a transfer with energy after a transfer |
| radiometer | a device used to show energy conversion |
| energy conversion | energy transfer |
| thermal energy | all the ke of an object, more TE more heat |
| GPE formula | mgh OR wh |
| unit of energy | joules |
| KE formula | mv2/2 |
| energy | ability to do work |
| KE | energy of motion |
| PE | stored energy, energy of position |
| elastic PE | stored energy |
| GPE | gravitational potential energy |
| mechanical energy | sum of KE and PE |
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