Across
- 3. the extent of a vibration from the equilibrium
- 4. Quantity of mass per unit
- 6. waves or vibrations with frequencies that is not audible
- 7. relate to
- 9. to cause a wave to move through a medium
- 10. a decrease in density and pressure in a medium
- 11. the lowest point on a wave
- 12. Unit of Frequency
- 15. relates to length
- 16. the time it takes for a wave to pass
- 17. the rate which something occurs
- 19. the speed
Down
- 1. frequencies above 20,000 hertz
- 2. the reinforcement of sound via reflection
- 5. out of usual location
- 8. The composition of any material
- 11. how long it takes something to get from point a to b
- 13. To lay across
- 14. to make more compact
- 18. the highest point on a wave