Across
- 2. A substance that waves can travel through
- 3. The process of of locating distant object with sound
- 5. Waves made by earthquakes and other natural distrbances
- 8. The bouncing back of sound waves on any surface
- 9. Can't travel through space
- 13. Distance from crest to mid-line
- 15. A disturbance of energy that transfers energy from place to place
- 17. The highest point of a wave
- 18. Constructive or destructive
- 19. The uncompressed part of a longitudinal wave
- 21. Halfway point of a wave
- 22. What is used to measure frequency
Down
- 1. A wave that NEEDS a medium to travel through
- 4. A wave that moves up and down or side to side
- 6. A push of energy through a medium
- 7. The lowest point of a wave
- 10. The distance between crest to crest or trough to trough
- 11. Used to find problems in the body
- 12. what compresses matter
- 14. The number of waves passing through a certain point in a certain amount of time
- 16. The ability to do work
- 20. The time it takes to complete one cycle
