Optics

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Across
  1. 1. extenal coat of the eye covering the iris and the pupil
  2. 3. this fruit is blue
  3. 4. type of brand
  4. 9. light hitting another object
  5. 10. no light could pass through it
  6. 11. it has princesses snd happily ever after
  7. 12. it would need 2 chemicals to shine
  8. 13. intersecting a given line or surface
  9. 14. all light passses through it
Down
  1. 2. a rainbow
  2. 3. it needs a chemical and an organism
  3. 4. the space between 2 intersecting lines
  4. 5. this type of word makes movies
  5. 6. angles or other transparent object
  6. 7. an example for this type of light is glow in the dark stickers
  7. 8. some light could pass through it
  8. 15. something that sucks up light
  9. 16. sells electronics
  10. 17. This type of word has 7 types of colors