Biomass/fossil fuel

2. light spongy, organic fossil fuel derived from moss and other bog plants.
6. Production of two usable forms of energy at the same time from the same process, which can conserve resources and generate income.
10. cell Thin, transparent wafer that converts sunlight into electrical energy and is made of two layers of two types of silicon.
11. fission The process in which a heavy nucleus divides to form smaller nuclei and one or two neutrons and produces a large amount of energy.
12. Material, such as wood,peat,or coal, burned to produce energy.

1. energy Involves global management of Earth's natural resources to ensure that current and future energy needs will met without harming the environment.
3. molecules with hydrogen and carbon bonds only; the result of the combination of carbon dioxide and water during photosynthesis.
4. power power generated by converting the energy of free-falling water to electricity.
5. Fuel Nonrenewable energy resource formed over geologic time from the compression and partial decomposition of organisms that lived millions of years ago.
7. energy energy produced by Earth's naturally occurring heat, steam, and hot water.
8. fuel Fuels derived from living things; renewable resources.
9. efficiency Type of a conservation in which amount of work is produced is compared to the amount of energy used.