| A | B |
|---|
| fossil fuels | a nonrenewable energy transfer through various stages as a result of the feeding patterns of a series of organisms |
| electric generator | a device that converts mechanical energy into electrical energy |
| petroleum | a liquid mixture of complex hydrocarbon compounds; used widely as a fuel source |
| oil reserves | oil deposits that are discovered and in commercial production |
| nuclear energy | the energy released by a fission or fusion reaction; the binding energy of the atomic nucleus |
| nuclear fission | the splitting of the nucleus of a large atom into two or more fragments; releases additional neutrons |
| nuclear fusion | the combination of the nuclei of small atoms to form a larger nucleus; releases energy |
| steam turbine | a wheel that changes the force of an expanding gas into kinetic energy |
| hydroelectric | energy transferred from water pressure to kinetic energy to electricity |
| acid precipitation | precipitation containing sulfuric acid (formed by burning coal with high sulfur content) |
| natural gas | methane (CH4) |
| uranium | a radioactive element used in many nuclear reactors |
