Across
- 4. The type of wave that ripples in water
- 7. The place of a sound wave where the particles are spread apart
- 9. What type of matter does sound travel through the worst
- 10. What type of matter does sound travel through the best
Down
- 1. The place where the particles of a sound wave are the closest together
- 2. The distance between two troughs or crests
- 3. The group of particles sound waves travel through
- 5. The type of wave sound is
- 6. The part of a transverse wave that is under the line of rest
- 8. The part of a transverse wave that is above the line of rest
