sound

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