Light Energy

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Across
  1. 2. common object that light transmits through
  2. 3. common object found in houses that reflects light
  3. 6. tool used to bend light in order to improve sight
  4. 8. an instrument that uses lenses to see objects far away
  5. 12. to watch something
  6. 14. straight line
  7. 15. light through a prism of water drops that shows all of the visible colors
  8. 17. acronym for the 7 colors of the rainbow
  9. 18. light travels slower in __________
Down
  1. 1. light goes through an object when it hits it
  2. 4. light bounces off of a white or shiny object
  3. 5. the main source of light for Earth
  4. 6. a very strong beam of light
  5. 7. to make something bigger in size
  6. 9. the ability to do work
  7. 10. tool used to turn white light into visible colors
  8. 11. light stays on an object when it hits it
  9. 13. light bends when passing through a medium
  10. 16. the electromagnetic spectrum that we can see