| A | B |
| electrical | relating to energy carried through wires that produces ligh or heat |
| globe | another name for Earth and its shape |
| fuels | substances burned to make heat or power |
| decayed | rotten |
| fossil fuel | fuel formed by decayed plant and animal remains |
| carbon dioxide | gas created by burning fossil fuels |
| hybrid | a type of car with an engine powered by both gasoline and battery |
| geothermal energy | energy created by heat in the Earth's core |