Across
- 2. the lowest point in a wave
- 5. the distance between the middle and the crest or trough
- 6. when partials in a wave are bunched up
- 8. the distance from trough to trough or crest to crest
- 9. when the waves are far apart
- 10. the less dense partials in a longitudinal wave
Down
- 1. when the waves are close together
- 3. a wave where the matter goes the perpendicular to the wave
- 4. a disturbance in a wave that travels through it
- 7. the highest point in a wave