Unit 5 Vocabulary

4. disposal site for solid waste
6. reduce, reuse, recycle
10. the splitting of Uranium atoms to release energy (non-renewable)
13. the sun's energy is collected and converted to usable energy (renewable)
14. turbines harness the movement of air and convert it to usable energy (renewable)
15. a gas usually found in the ground positioned above petroleum deposits (nonrenewable)
16. heat is harnessed from deep beneath Earth's surface and converted to usable energy (renewable)
17. the presence of harmful or unwanted levels of material in the environment
18. a natural nonrenewable fuel formed over a very long time in the past from the remains of living organisms

1. an energy resource such as trees or wind that is replaceable by natural means
2. a flammable, yellow-to-black liquid composed of hydrocarbons occurring naturally inside Earth (nonrenewable)
3. movement of water through a dam in a river is converted to usable energy energy (renewable)
5. a hard, black solid fuel formed from the remains of plants over millions of years ago (nonrenewable)
7. an energy resource that takes millions of years to form from the remains of plants and animals
8. gases in the atmosphere that absorb and retain heat energy, cause air pollution
9. biological material such as plant material or animal waste converted to a usable energy source
11. efforts to wisely use, distribute, and protect valuable resources both natural and man-made
12. the ability to cause change