Across
- 4. compression
- 5. frequency
- 7. eq_pos
- 9. compression_wave
- 11. interference
- 13. amplitude
- 15. rarefaction
- 17. resonance
- 19. pendulum
Down
- 1. transverse_wave
- 2. trough
- 3. node
- 6. crest
- 8. antinode
- 9. cycle
- 10. hertz
- 12. standing_wave
- 14. period
- 16. wave
- 18. shm