Across
- 3. in phase
- 5. physical distance of sound
- 7. particles move left and right
- 12. what the wave is travelling through
- 13. 1540 m/s
- 15. how many times an event occurs
Down
- 1. particles move perpendicular
- 2. out of phase
- 4. changes in medium
- 6. distance sound can travel
- 8. needs a medium to travel
- 9. increases during compression
- 10. force per area
- 11. the strength of a wave
- 14. cyclical transfer of energy