| A | B |
|---|
| Fuels | Substances which can be burned |
| Fossil fuels | Coal, oil, natural gas |
| Energy resources | Ways of getting energy |
| sustainable | without harming your surroundings |
| global warming | Heating up the planet |
| Law of conservation of energy | energy cannot be made or destroyed |
| Fossils | Organisms that never rot away completely |
| non-renewable | Fuels which cannot be easily replaced |
| insulation | Materials to keep heat in |
| biomass | Fuel obtained from plants or animal waste |
| renewable | Energy resources that will not run out |
| Nuclear | Power from atoms |
| uranium | Metal used as nuclear fuel |
| turbines | Machines which turn |
| generator | Machine which when turned produces electricity |
| hydroelectric | Energy from flowing water |
| Tidal | Energy from tides |
| Wave power | Energy from wind blowing over water |
| solar power | Energy from the sun |
| Solar cells | Turn light into electricity |
| solar panels | Use sunshine to heat water |
| geothermal | Energy from hot rocks |
| biodiesel | Fuel made from vegetable oil |
| fuel cells | Use hydrogen gas to produce electricity |
| Wind | Air movements caused by the sun |
| Joules | Units of energy |
| Kilojoule | 1000 Joules |
| Photosynthesis | Process where sun's energy is trapped by plants |
| Convection current | Hot air rising - makes wind |
