Across
- 2. the material a wave travels through
- 6. the middle line of a wave
- 7. top of the wave
- 9. low density area
- 10. the distance from one crest to another
Down
- 1. wave that displaces matter in the same direction the wave is traveling
- 3. the height of the wave
- 4. the high density area
- 5. bottom of the wave
- 8. wave that moves matter perpendicular to the direction of the wave
