Your Eyes and Ears - 3rd

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 3. An ache localized in the middle or inner ear (7)
  2. 6. An earphone that is inserted into the ear canal (plural) (8)
  3. 8. A brittle transparent solid with irregular atomic structure (plural) (7)
  4. 9. Electro-acoustic transducer for converting electric signals into sounds (plural) (10)
  5. 10. The membrane in the ear that vibrates to sound (7)

Down

  1. 1. Any bundle of ___ fibers running to various organs and tissues of the body (plural) (6)
  2. 2. A point system of writing in which patterns of raised dots represent letters and numerals (7)
  3. 4. The perceptual experience of seeing (6)
  4. 5. A convex lens that focuses the rays of the sun (plural) (10)
  5. 7. Either of the passages in the outer ___ from the auricle to the tympanic membrane (8)