Across
- 4. The most common unit used to measure loudness
- 5. How many waves occur in a given time
- 8. The process of using sound waves to find animals
- 9. Distance from the next wave
- 10. Part of a longitudinal wave that is compressed
Down
- 1. An observed change in the frequency of a wave when the source or observer is moving
- 2. Longitudinal wave that is caused by vibrations
- 3. Measure of how far the particles in a wave move away from the centerline
- 6. The extent to which a sound can be heard
- 7. How high or low a sound is