SCIENCE & TECHNOLOGY

3. The gradual change in a species over time
8. Study of the earth
10. A _____________ finds ways to make chemicals useful to society
11. the science that deals with matter, energy, motion, and force
13. The ___________ of penicillin in 1928 changed medicine forever.
14. An _____________ studies people who lived thousands of years ago.
16. A computer input device that uses a set of keys to put data into the computer.
17. To do this experiment, we'll have to ____ evidence first.
20. the activity or process of keeping something valued alive, intact, or free from damage
21. the study of the past based on what people left behind

1. Drugs that block the growth and reproduction of bacteria
2. The study of how living things interact with each other and their environment
4. An _____________ studies ways of protecting the environment.
5. A _____________ asks 'big' questions about the laws of nature
6. to travel for the purpose of discovery (noun)
7. the action or process of carefully watching someone or something.
9. A person who designs, builds, or maintains engines, machines, or public works
11. A word or phrase that you must type for access
12. a person skilled in mathematics
14. A detailed examination of the elements or structure of something.
15. A high-speed Internet connection that is always connected
18. the science that studies the composition, properties, and activity of substances
19. A _____________ studies rocks and the history of the earth