| A | B |
|---|
| biomass | plants used as a fuel |
| capital resource | energy resources that cannot be replaced |
| fossil fuel | an energy resource such as coal, oil and gas |
| fuel | substance that can be burnt releasing heat energy and is an energy resource |
| geothermal | energy transferred from heat inside the Earth |
| hydroelectric | transforming the energy from moving water into electrical energy |
| joules | units of energy |
| mineral oil | crude oil found deep below ground |
| non-renewable | energy resource that once is used is not replaced |
| renewable energy resource | energy resource that is continually replaced |
| solar cell | energy from the Sun |
| solar panel | device to collect solar energy as heat |
| thermometer | device for measuring temperature |
| transform | to change the voltage of electricity |
