| A | B |
| Geothermal Energy | Energy produced by hot water from deep in the Earth |
| Geyser | A hot spring of water shot into the air. "Old Faithful" |
| Hydroelectric Water | Electrical energy produced from water movement |
| Solar Collector | A tool that is used for collecting sunlight |
| Turbine | A machine driven by the force of a moving fluid |
| Fossil fuel | Fuel products made from plant and animal remains |
| Nuclear energy | energy made from nuclear fission |
| Solar energy | Energy produced by the sun |