Chapter 10 and 11 vocab

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Across
  1. 2. The amount of energy that passes through a certain area in a specific amount of time
  2. 8. A spiral-shaped structure in the inner ear filled with liquid and tiny hair cells that converts sound waves into nerve impulses
  3. 9. effect The change in wave frequency that occurs when a wave source is moving relative to an observer, or an observer is moving relative to a wave source
  4. 10. A hollow chamber filled with air that amplifies sound when the air inside of it vibrates
Down
  1. 1. The human perception of sound volume, which is primarily dependent on sound intensity
  2. 3. The process of locating objects by emitting sounds and then interpreting the sound waves that are reflected back from those objects
  3. 4. The perception of how high or low a sound seems to be, which is primarily related to the frequency of the sound waves
  4. 5. A unit used to measure sound intensity
  5. 6. The study of sound
  6. 7. A tough membrane approximately 0.1 mm thick that transmits sound from the outer ear to the middle ear