Geothermal
Hydroelectricity
Solar Power
Biomass
Renewable
Fossil Fuel
a useful material that is replaced quickly in nature
converting energy from the Sun into electrical power
relating to production of electricity by water power
a fuel (such as coal, crude oil, or natural gas) that is formed in the earth from dead plants or animals
using the heat of the earth’s interior
plant and animal waste that can be processed to make fuel