| A | B |
|---|
| fossil fuels | fuel formed hundreds of millions of years ago from the remains of dead plants and animals |
| coal, oil, natural gas | fossil fuels made by hydrocarbons |
| renewable resource | any resource that can be replaced by nature |
| nonrenewable resource | any resource that cannot be replaced by nature |
| combustion | burning |
| solar energy | energy from the sun |
| photovoltaic cell | device that converts sunlight directly into electricity |
| hydroelectric power | use of mechanical energy of falling or running water |
| nuclear fission | splitting of an atomic nucleus into two smaller nuclei |
| radioactive waste | waste produced by the production of energy in nuclear power |
| geothermal | energy produced from the heat energy within the Earth |
| biomass | any material, such as wood, that comes from living things and can be used as fuel |
| chain reaction | process in which the splitting of one atomic nucleus causes the splitting of additional nuclei |
| Oersted | discovered there is a magnetic field around an electric current |
| Faraday | discovered that moving a magnet through wire causes electricity |
| electromagnet | magnet made from electricity |
| electric motor | device that uses an electromagnet to convert electrical energy to mechanical energy that is used to do work |
| electric generator | device that uses electromanets to convert mechanical energy to electrical energy |
