Unit 15 Sound & Light Review WS

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Across
  1. 5. what submarines use to map the ocean floor
  2. 7. used in cell phone technology and to cook food
  3. 8. the separation of white light into different colors by a prism
  4. 11. how intensity of sound is measured
  5. 12. how high or low a sound seems
  6. 14. caused when the cones in the eye do not work properly
  7. 16. portion of the EM spectrum that we see
  8. 18. thin flat piece of tissue at the end of the ear canal
  9. 21. uses refraction to separate white light into its component colors
  10. 22. spiral-shaped part of the inner ear
  11. 23. smallest bone in the body
  12. 24. bats use this to locate their food
Down
  1. 1. a number for how much a material slows down light
  2. 2. how a convex mirror curves
  3. 3. when light waves bounce off a rough surface
  4. 4. angle of incidence = angle of reflection
  5. 6. have diagnostic uses
  6. 9. number of wavelengths per second
  7. 10. 9% of light emitted by sun, can cause skin cancer
  8. 13. uses SOUND waves to view organs inside the body
  9. 15. a transparent object that is used to bend and focus light
  10. 17. highest frequency, shortest wavelength
  11. 19. contains the hammer, anvil, and stirrup
  12. 20. can be felt as warmth, used in heat lamps
  13. 21. a particle of light