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chapter 9 vocab
science vocab
| Question | Answer |
|---|---|
| energy | the capacity to do work |
| kinetic energy | the energy of an object that is due to the objects motion |
| potential energy | the energy that an object has because of the position, shape, or condition of the object |
| mechanical energy | the amount of work an object can do because of the object's kinetic energy and potential energy |
| energy conversion | a change from one form of energy to another |
| friction | a force that opposes motion between two surfaces that are in contact |
| law of conservation of energy | the law that staes that energy cannot be neither created or destroyed, but can be changed from one form to another |
| nonrenewable resource | a resource that forms at a rate which is much slower then the rate at which it is consumed |
| fossil fuel | a nonrenewable resource formed from the remains of organisms that lived long ago |
| renewable resource | a natural resource that can be replaced at the same rate at which the resource in consumed |