| A | B |
|---|
| biomass | Organic matter that can be used as fuel. |
| fossil fuel | Fuel formed from decayed plants and animals. |
| generator | A machine that changes the mechanical energy of a turbine to electrical energy. |
| hydroelectric energy | Electrical energy produced by moving water. |
| natural resource | A useful material taken from the environment. |
| nuclear energy | The energy contained in the nucleus of an atom. |
| nuclear fission | The splitting of the nuclues of an atom, releasing energy. |
| nuclear fusion | Nuclear reaction in which atomic nuclei fuse, join together. |
| solar cell | A device that changes solar energy to electrical energy. |
| solar collector | A device used to collect solar energy. |
| tidal energy | The energy of the moving water of tides. |
| turbine | A device with a wheel and blades that changes the enrgy of steam to mechanical energy. |
| bioconversion | The process by which biomass is cahnged to a liquid or gaseous fuel. |
| geothermal energy | Energy from the natural heat within the earth's crust. |
| renewable resource | A resource that is fairly easy to replace if it is used. |
| nonrenewable resource | Substances that can not easily be replaced once they are used. |
| kinetic energy | Energy of motion. |
| potential energy | Stored energy. |
| mechanical energy | Ability(energy) to move a device or machine. |
| fuel | A substance that is burned to release its stored energy. |
