Across
- 2. equilibrium
- 4. wave that travels
- 5. where the propagation is periductular to the oscillation
- 6. amount of waves
- 9. sound produces
- 11. displacement of
- 12. "peak" of a wave
- 14. time
- 15. distance of the wave crest or trough
- 17. cancel parts
- 19. back and forth
- 20. builds up wave energy
Down
- 1. frequency of sound, light, or other waves
- 3. add together
- 7. needs something to travel through
- 8. where the propagation is parallel to the medium
- 10. moves from one place to another
- 13. overlap in space
- 16. propagate
- 18. valley of the wave