"The Science of Color"

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Across
  1. 1. A tool used to refract light
  2. 4. You might own pants or a jacket with this pattern
  3. 5. A good place to explore when you want to learn something
  4. 7. Test that 4.5% of people fail
  5. 9. Colors we teach children
  6. 10. Not a worm, but...
  7. 15. This collection shared an engraving for the article
  8. 17. Measurements you might use for a gamma ray
  9. 18. An apple fell on his head
Down
  1. 2. Leaf litter disguise
  2. 3. artist with a penchant for nature
  3. 4. A song; or, the makeup of a thing
  4. 6. Hidden in the grass
  5. 8. A famous name for a famous location
  6. 10. The receptors for color
  7. 11. A process of examining the elements or structure of a thing
  8. 12. A throat relief candy
  9. 13. A well-known Greek theorist who studied under Plato
  10. 14. Opticks is a...
  11. 16. ROYGBIV