Light and Matter

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Across
  1. 2. All light reflects off this material
  2. 6. To bounce off
  3. 8. More important that something else
  4. 9. Something that is real, but hard to understand
  5. 10. To go through
  6. 12. The variable that is measured in an investigation
  7. 13. Part of the eye that lets light in
  8. 15. Converts light input into an electrical signal
  9. 16. About half the light reflects and half transmits through this material
  10. 18. The variable that is changed in an investigation
  11. 19. The clear outer covering of the eyeball
  12. 21. All the variables that remain the same
  13. 22. The part of the eye that helps focus light toward the retina
  14. 23. Most light transmits through this material
Down
  1. 1. Shiny material used to coat glass and make it reflective
  2. 3. Cannot see through
  3. 4. Type of energy that travels in straight lines
  4. 5. The pathway between the eye and the brain
  5. 7. See through
  6. 11. The colored ring within your eye
  7. 14. Type of dance the bear in the basketball video was doing
  8. 17. To change direction
  9. 20. A representation used to explain something