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