Across
- 1. parts of a longitudinal wave that are spread out and loose
- 7. a wave where the particals move up and down
- 8. the distance between crest to crest
Down
- 2. parts of a longitudinal wave that are close together
- 3. distance between crest and trough
- 4. a wave where the particals move from side to sid
- 5. top of the wave
- 6. the number of waves that pass a certain point in a given amount of time
- 9. lowest point on the