Light, color and shadow crossword

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Across
  1. 4. Mixing colors of _______________________ is different than mixing colored light.
  2. 7. a dark area or shape produced by a body coming between rays of light and a surface.
  3. 8. the color that absorbs all light and color
  4. 10. something that lets all light through is called ________________
  5. 12. Light is a form of _____________________
  6. 13. A _____________________ breaks up light into all the colors of the rainbow.
  7. 15. when a substance allows only some light to pass through
  8. 16. when light bounces
  9. 17. the color that reflects all light and color
Down
  1. 1. when light bends
  2. 2. A green apple reflects _________________________ and absorbs all others.
  3. 3. an object that reflects light
  4. 5. Black colored things like a car __________________ all the colors of light.
  5. 6. is created by refraction or found with a pot of gold by leprechauns
  6. 9. The speed of __________ can change depending on the medium through which it passes.
  7. 11. when a substance lets no light pass through
  8. 14. line, light travels in a __________________