Across
- 3. Distance/time
- 4. Light changing medium
- 5. Sound bouncing off surface
- 7. carries sound info to brain
- 10. Sounds move through fastest
- 11. vibrates inside ear
- 12. Vibrations moving through a substance
Down
- 1. Energy of wave moves up and down
- 2. compression and refraction
- 6. Sounds move slowest through this
- 8. Light changing direction
- 9. Sound cannot move through