Across
- 4. Type of waves that need matter to carry them
- 5. Unit sounds are measured in
- 7. A mechanical wave that moves longitudinally through matter
- 9. Height of a peak in a wave
- 10. Distance between peaks of a wave
- 12. The study of sound
Down
- 1. Type of wave where molecules move parallel to the direction of the wave
- 2. Different materials sound can travel through
- 3. Type of wave that transfers energy in a vacuum
- 6. Type of wave that moves molecules in a circular motion
- 8. Frequency of a sound wave
- 11. Type of wave where molecules move perpendicular to the direction the wave in traveling
