Wave crossword by meia

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Across
  1. 3. waves passing through an object
  2. 5. Highest part of the wave
  3. 8. protects the eye an light passes through
  4. 10. waves bouncing off an object
Down
  1. 1. light is reflected off an object
  2. 2. focus light and forms images
  3. 4. Eye color
  4. 6. Lowest part of the wave
  5. 7. Number of wavelength per second
  6. 9. Object soaks up wave energy