Across
- 4. when particles are spread out
- 7. frequency wave with low amplitude
- 8. a disturbance that transfers energy
- 9. frequency wave with high amplitude
- 10. high point of wave
- 11. length of wave from resting point
Down
- 1. length between two crest or troughs
- 2. low point of wave
- 3. waves moving horizontal
- 5. waves moving perpendicular
- 6. high density area of longitudinal wave