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