Unit 7 Study Guide

3. Used to create wind energy
5. A process used to make an identical copy of cells or an organism
9. something you consider when you are determining if something is right or wrong
10. An example of a nonrenewable source of energy
11. Obtaining heat energy from inside the Earth to turn into usable energy
13. Food (mostly produce) that has had its DNA changed
14. The use of solar panels to obtain usable energy from the sun
15. energy that would take millions of years to replace
17. The use of living organisms or waste from organisms to obtain energy through burning
18. the process of learning about the natural world through observation and experimentation
19. A natural fuel such as coal, gas, and oil formed from the remains of living organisms.

1. Gases in the atmosphere that trap heat from the sun and keep the earth warm
2. The Use of technology to modify living organisms to solve problems and make useful products
4. An example of a renewable source of energy
5. A tool scientists use to cut DNA and insert small pieces of other DNA
6. the introduction of harmful materials into the environment
7. Energy that can replace itself
8. the changing of the structure of a gene
12. Capturing energy from moving water, usually with the use of a dam
16. the science or practice of farming