Across
- 3. number of waves passing in one second
- 5. light travels in ________ paths
- 7. distance between two consecutive waves
- 9. light travels in ___________ waves
- 10. has the highest frequency
- 11. straight line that represents the path of light
- 12. highest point on a wave
- 14. lowest point on a wave
- 16. all colors are being reflected
- 18. no colors are being reflected
- 19. light is a form of _______
Down
- 1. allows all/most light through
- 2. a group of parallel rays
- 4. ______ frequency has ______ energy
- 6. allows some/partial light through
- 8. does not allow any light through
- 11. a way to remember the colors of the rainbow
- 13. light bouncing off an object
- 15. has the lowest frequency
- 17. ______ frequency has ______ energy
