Across
- 3. Fuel Nonrenewable energy resource formed over geologic time from the compression and partial decomposition of organisms that lived millions of years ago.
- 7. Material, such as wood,peat,or coal, burned to produce energy.
- 9. light spongy, organic fossil fuel derived from moss and other bog plants.
- 12. Man's best friend
- 13. molecules with hydrogen and carbon bonds only; the result of the combination of carbon dioxide and water during photosynthesis.
- 14. Flying mammal
- 15. Production of two usable forms of energy at the same time from the same process, which can conserve resources and generate income.
- 17. Likes to chase mice
- 18. cell Thin, transparent wafer that converts sunlight into electrical energy and is made of two layers of two types of silicon.
Down
- 1. energy Involves global management of Earth's natural resources to ensure that current and future energy needs will met without harming the environment.
- 2. 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.
- 4. Has a trunk
- 5. Flying mammal
- 6. Large marsupial
- 8. energy energy produced by Earth's naturally occurring heat, steam, and hot water.
- 10. power power generated by converting the energy of free-falling water to electricity.
- 11. efficiency Type of a conservation in which amount of work is produced is compared to the amount of energy used.
- 16. fuel Fuels derived from living things; renewable resources.