Chapter 10 and 11 vocab words

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Across
  1. 3. A hollow chamber filled with air that amplifies sound when the air inside of it vibrates
  2. 6. A spiral-shaped structure in the inner ear filled with liquid and tiny hair cells that converts sound waves into nerve impulses
  3. 8. A tough membrane approximately 0.1 mm thick that transmits sound from the outer ear to the middle ear
  4. 9. A unit of sound intensity used to describe the wide range of intensities the human ear can hear
Down
  1. 1. The process of adding a signal wave to a carrier wave to transmit information
  2. 2. Electromagnetic waves that behave as particles whose energy depends on the frequency of the light
  3. 3. energy The energy carried by an electromagnetic wave, which causes particles in objects to gain energy and can make materials hot
  4. 4. A device, such as a cellular telephone, that transmits at one frequency and receives at another
  5. 5. effect The change in wave frequency due to a wave source moving relative to an observer or an observer moving relative to a wave source
  6. 7. wave An electromagnetic wave with the specific frequency that a radio or television station is assigned