Across
- 4. when it is silent the trace of the line of the ampiltude is
- 6. sounds beyond human hearing
- 7. To make the sound of their instruments louder or softer this is called
- 8. sound travel the slowest through this state of matter
- 12. In the ear the smallest bone vibrates against this
- 13. This is what sounds are made of
- 14. the number of vibrations per sound
- 15. To make a note higher or lower this i called
Down
- 1. sound cannot travel through here
- 2. when there is no sound
- 3. the unit of frequency
- 5. Used to produce sounds from computers radios and television
- 9. sounds travel fastest through here
- 10. to tell you the maximum distance the vibrating objects from its resting point before it starts to vibrate
- 11. unwanted sound is called