Across
- 4. The part of the wave where the particles are farthest apart
- 7. When the particles are closest together in a wave
- 9. The kind of wave a sound wave is
- 10. sound travels through the fastest
Down
- 1. what sound waves cannot travel through
- 2. what sound waves travel in
- 3. we hear
- 5. how sound is created
- 6. what sound travels through the slowest
- 8. a sound wave needs to travel through