Sound

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Across
  1. 1. unit of measurement used to track frequency
  2. 4. number of peaks or valleys in one second
  3. 9. snail-shaped part of your ear that converts sound energy into electrical signals
  4. 10. a tight peace of skin that passes vibrations from the air to the middle ear bones
  5. 12. large speaker that plays sounds from 20-200 hertz
  6. 13. small hair-like bundles in the cochlea that deform to collect sound
  7. 15. the height of a wave from the resting point to it's peak or valley
  8. 17. membrane that holds the hair cells and vibrates when the cochlear fluid ripples
  9. 19. a tube that passes vibrations from the air to the eardrum
  10. 20. rapid back and forth movement past a resting point
  11. 21. how loud or quiet a sound is
Down
  1. 2. small speaker that plays sounds from 2,000 to 20,000 hertz
  2. 3. amplify and detect quiet sounds
  3. 5. how energy travels through air particles
  4. 6. distance from peak to peak or valley to valley
  5. 7. larger speaker that plays sounds from 40 to 2,000 hertz
  6. 8. liquid in the cochlea that ripples to make the stereocilia deform
  7. 11. where an object naturally rests before force is applied
  8. 14. medium speaker that plays sounds from 300 to 5,000 hertz
  9. 16. how high or low a sound is heard as
  10. 18. convert sound vibrations from the stereocilia to electrical signals