Parts of the Eye & Intro to Soundwaves Review

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Across
  1. 2. Unit measuring pitch
  2. 4. Vibration produced in one object that is caused by the vibration produced by another
  3. 5. A reflected sound wave
  4. 6. nerve transmits electrical signals to brain from retina
  5. 8. Back and forth movement that causes sound
  6. 9. Measures how high or low a sound is
  7. 12. converts light waves into electrical signals
  8. 14. Measures how well a sound can be heard
  9. 17. allows us to see objects near and far
Down
  1. 1. supports eyeball and provides muscle attachment
  2. 3. The finding of an object using reflected sound
  3. 7. hole where light enters eye (black part)
  4. 10. allows for passage of light into eye, helps focus
  5. 11. controls amount of light entering eye (colored part)
  6. 13. (blind spot) small spot on back of retina
  7. 15. Unit measuring loudness
  8. 16. waves A longitudinal wave that is caused by vibration traveling through a medium