| A | B |
| fractional distillation | separation of hydrocarbons from crude oil |
| geothermal energy | heat from inside the earth |
| hydroelectricity | electricity produced from moving water |
| NIMBY | not in my back yard |
| nonrenewable resource | energy resource that can't be replaced |
| nuclear reactor | generates electricity from a controlled fission reaction |
| nuclear waste | by-product of fission reactions |
| petroleum | liquid remains of dead organisms |
| photovoltaic cell | converts solar energy into electricity |
| tidal energy | energy produced by the rise and fall of ocean levels |