Across
- 1. the middle point from which the amplitude is measured from
- 3. the length from one crest to the next
- 5. a wave that moves from top to bottom
- 7. the tightest point in a longitudinal wave
- 8. the bottom of a wave
Down
- 2. a wave that moves from side to side
- 4. the loosest point in a longitudinal wave
- 6. the height of a wave
- 7. the top of a wave