Across
- 3. Back and forth movement of an object
- 5. Low point on a wave
- 8. Areas where particles bunch together
- 10. Number of vibrations in a unit of time
- 12. Loudness of a sound
Down
- 1. Highest point of a wave
- 2. Device that takes sound waves and displays the shape of waves on a screen
- 4. Distance between a point on one wave (crest)and a similar point on the next
- 6. Height of a wave measured from its midline; amount of energy in a wave
- 7. How high or low a sound is
- 9. Energy in the form of vibrations passing through matter
- 11. Disturbance that sends energy
