| A | B |
|---|
| Amperage | The unit that is used to measure electric current. |
| Biomass | The total mass of living matter in the form of one or more kinds of organisms present in a particular habitat. |
| Carbon Cycle | The global cycle of movement of carbon, in all of its forms, from one reservoir to another. |
| Energy | Ability to do work. |
| Fossil Fuel | Fuel derived from materials (mainly coal, pertroleum, and natural gas) that were generated from fossil organic matter and stored deep in the Earth for geologically long times. |
| Geothermal Energy | Energy derived from hot rocks and/or fluids beneath thew Earth's surface. |
| Greenhouse Gases | Gases in the Earth's atmosphere that absorb certain wavelengths of the long-wavelength radiation emitted to outer space by the Earth's surface. |
| Hydroelectric Power | Electricity generated by flowing water. |
| Joules | The unit for work (energy). |
| Law of Conservation of Energy | The law that states that energy cannot be created or destroyed but can be changed from one form to another. |
| Natural Gas | A fossil fuel in the gaseous state. |
| Nonrenewable Energy | A source of energy that exsists in limited quantities and once used, cannot be replaced. |
| Nuclear Fission | A nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy |
| Petroleum | A dark oil consisting mainly of hydrocarbons. |
| Photovoltaic Energy | Electricity from photovoltaic cells that convert the energy in sunlight into electricity. |
| Renewable Energy | Any source of energy that can be continually produced and is inexhaustible given current conditions. |
| Solar Energy | Energy from the sun that is converted into thermal or electrical energy. |
| Transfer of Energy | The movement of energy from one place or object to another. |
| Transformation of Energy | Energy is changed from one form to another. |
| Voltage | Another name for potential difference. |
| Wind Power | Power derived from the wind (as by windmills). |
