Chapter 7 terms

2. plant material, manure, or any other organic matter that is used as an energy source
3. a natural resource that can be replaced at the same rate at which the resource is consumed
5. a mineral deposit within a rock formation
8. the energy produced by heat within Earth
11. onservation the preservation and wise use of natural resources
12. a mineral, rock, or organic material that can be used as jewelry or an ornament when it is cut and polished.
15. the process by which the nucleus of a heavy atom splits into two or more fragments; the process releases neutrons and energy

1. a resource that forms at a rate that is much slower than the rate at which it is consumed
4. ecycling the process of recovering valuable or useful materials from waste or scrap; the process of reusing some items
6. the energy received by Earth from the sun in the form of radiation
7. electrical energy produced by the flow of water
9. a natural material whose concentration of economically valuable minerals is high enough for the material to be mined profitably
10. the process by which nuclei of small atoms combine to form new, more massive nuclei; the process releases energy
13. a nonrenewable energy resource that formed from the remains of organisms that lived long ago; examples include oil, coal, and natural gas
14. a deposit that contains a valuable mineral that has been concentrated by mechanical action