Across
- 2. a repeated back and forth motion
- 4. sound waves travel fastest through this type of medium
- 5. sound waves travel slowest through this type of medium
- 8. A change in the frequency of a MOVING sound relative to the observer
- 10. determines the pitch of the sound you hear
Down
- 1. Longitudinal waves that are caused by the vibrations of molecules
- 3. determines the loudness of the sound you hear
- 6. how high or low you think a sound is
- 7. When the object “breaks” the sound barrier
- 9. the substance (matter) that waves travel through