| A | B |
|---|
| fossil fuels | formed from the decaying remains of ancient plants and animals |
| petroleum | highly flammable liquid that contains hydrocarbons |
| nonrenewable resources | resources that cannot be replaced quickly |
| nuclear reactor | uses energy from controlled nucelar reactions to generate electricity |
| nuclear waste | any radioactive leftover that results when radioactive materials are used |
| renewable resource | resources that are replaced as quickly as they are used |
| photovoltaic cell | device that is used to convert solar energy into electricity |
| hydroelectricity | electricity produced from the energy of moving water |
| solar cell | another name for a photovoltaic cell |
| biomass | renewable organic matter that can be used to generate thermal energy |
| radiant energy | energy from teh Sun that can be used to heat homes and provide hot water |
| geothermal energy | thermal energy that is contained in hot magma deep within the earth |
| oil | an example of a fossil fuel |
| chicken poop | a type of biomass |
| uranium | the fuel used for nuclear reactors |
