Light and Matter

123456789101112131415161718192021
Across
  1. 2. most light transmits, a little reflects off of dust/oil
  2. 4. a group of parts that work together.
  3. 8. light changing direction
  4. 10. towards the back of the eye, turns light inputs into electrical signals.
  5. 12. Fact, event, or circumstance that can be observed. Usually considered extraordinary.
  6. 14. variable that gets measured in an investigation
  7. 15. a form of energy
  8. 16. a model that represents an object in the real world that can help us solve problems.
  9. 18. tool used to measure light
  10. 20. to go through
  11. 21. to bounce off
Down
  1. 1. variable that gets changed in an investigation
  2. 3. focuses light into a smaller path
  3. 5. all light reflects off of this material
  4. 6. see through
  5. 7. allows half light to transmit and half light to reflect
  6. 9. a statement you believe to be true
  7. 11. impossible to see through, no light can transmit.
  8. 13. any scientific data that support your claim. Proof.
  9. 15. unit used to measure light
  10. 17. the passage way between the eye and brain.
  11. 19. colored part of your eye