Unit 5 Vocabulary

5. the ability to cause change
7. the sun's energy is collected and converted to usable energy (renewable)
8. a gas usually found in the ground positioned above petroleum deposits (nonrenewable)
10. an energy resource that takes millions of years to form from the remains of plants and animals
12. a flammable, yellow-to-black liquid composed of hydrocarbons occurring naturally inside Earth (nonrenewable)
14. efforts to wisely use, distribute, and protect valuable resources both natural and man-made
16. an energy resource such as trees or wind that is replaceable by natural means
17. reduce, reuse, recycle
18. the splitting of Uranium atoms to release energy (non-renewable)

1. a natural nonrenewable fuel formed over a very long time in the past from the remains of living organisms
2. disposal site for solid waste
3. biological material such as plant material or animal waste converted to a usable energy source
4. movement of water through a dam in a river is converted to usable energy energy (renewable)
6. gases in the atmosphere that absorb and retain heat energy, cause air pollution
9. heat is harnessed from deep beneath Earth's surface and converted to usable energy (renewable)
11. the presence of harmful or unwanted levels of material in the environment
13. turbines harness the movement of air and convert it to usable energy (renewable)
15. a hard, black solid fuel formed from the remains of plants over millions of years ago (nonrenewable)