| A | B |
|---|
| Fossil Fuels | Coal, Oil, and Natural Gas |
| Solar Energy | Energy from the sun |
| Hydroelectric Power | Electricity produced by water |
| Geothermal Energy | Heat from the Earth's interior |
| Nuclear Fission | Splitting an atom's nucleus |
| Nuclear Fusion | Combining of two atomic nuclei |
| Reactor Vessel | Section of nuclear reactor where fission occurs |
| Fuel Rods | Rods of U-235 |
| Control Rods | Rods of metal cadmium |
| Energy Conservation | Reducing energy use |
| Efficiency | Getting as much work as possible from fuels |
| Insulation | Layer of material that blocks heat transfer |
| Petroleum | Another word for oil |
| Refinery | Factory where crude oil is separated into fuels |
| Reserves | Known deposits of coal |
