Light

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Across
  1. 2. a form of light
  2. 4. allows little light to pass though
  3. 7. has the shortest wavelength
  4. 8. what is a form of energy
  5. 10. violet has what kind of wavelength
  6. 13. the highest part of a wavelength
  7. 17. the number of waves passing in a given time
  8. 18. does not allow light to pass through
  9. 19. how many colors are in light
  10. 20. the valley between two crests
Down
  1. 1. is light bouncing off objects
  2. 3. reflects all the colors
  3. 5. allows light to pass through
  4. 6. red has what kind of wavelength
  5. 9. absorbs all the colors
  6. 11. has the longest wave length
  7. 12. light moves in what paths
  8. 14. high frequency has high
  9. 15. a group of parallel rays
  10. 16. low frequency light has what energy