Across
- 2. frequency is measured in ______
- 4. wave particle motion in the same direction
- 8. when a compressional wave expands
- 9. the amount of times the wave goes up and down
- 12. wave a vibrating wave
- 13. wave doesn't need a medium to travel
- 14. the waves speed
- 15. the lowest point of a wave
Down
- 1. when a compressional wave tightens
- 3. the highest point of a wave
- 5. crest to resting point
- 6. wave needs a medium to travel
- 7. the length from crest to crest
- 10. a disturbance in a medium
- 11. a material that moves energy