| A | B |
|---|
| kinetic energy | the energy of motion |
| potential energy | the energy an object has because of its position or shape |
| mechanical energy | total energy of motion and position of an object |
| Renewable resources | can be used and replaced in nature over a relatively short period of time |
| Energy | the ability to do work |
| energy resource | a natural resource that can be converted by humans into other forms of energy in order to do useful work. |
| Nonrenewable resources | cannot be replaced after they have been used |
| energy conversion | a change from one form of energy to another |
| conservation of energy | energy can be neither created nor destroyed |
