Across
- 3. a curved line that shows the pattern of
- 4. a description of how something works
- 5. how big or loud a wave is
- 8. something scientists make to answer questions
- 9. the length of a wave from one peak to the
- 12. to try to learn more about something
- 13. to share information
- 14. to make a picture in your mind
- 17. the stuff that makes up everything
- 18. the ability to make things move or change
Down
- 1. to bump together
- 2. to move something from one place to another
- 6. something we observe to be similar over and
- 7. two or more things bumping into each other
- 10. a tiny piece of material that is too small
- 11. to move back and forth quickly
- 15. the place where something comes from
- 16. a pattern of motion that travels away from a source