Sound waves and hearing

1234567891011121314
Across
  1. 5. The area where particles are spaced out in a longitudinal wave
  2. 8. The collective name for the three bones in the ear
  3. 9. The symbol used for wavelength
  4. 10. The distance between two crests of a wave
  5. 12. A wave that is displaced parallel to the direction of travel
  6. 13. How many cycles of a wave pass a certain point every second
  7. 14. The units of frequency
Down
  1. 1. The maximum frequency, in hertz heard by humans
  2. 2. The area where particles are close together in a longitudinal wave
  3. 3. The name for the nerve that carries the electrical signal to the brain
  4. 4. A wave that is displaced perpendicular to the directio of travel
  5. 6. Turns sound waves into electrical signals in the ear
  6. 7. The height of a wave
  7. 11. Can be perforated when damaged