Light

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Across
  1. 3. detectable by the human eye
  2. 6. Normally used for medical imaging
  3. 8. caused by nature
  4. 11. include (ROYGBIV)
  5. 12. Have the lowest energy and frequency
  6. 13. We see colors because they are reflected into our ___
  7. 14. rate of repetition of a wave
  8. 16. energy waves
  9. 17. wave to the crest/trough
  10. 18. also a house cleaning tool
  11. 19. distance from one place in a wave to the next
Down
  1. 1. Visible to some insects and birds
  2. 2. wave height/depth from the rest position of
  3. 4. Can be used for heat detection and to keep food warm
  4. 5. Highest energy/frequency and shortest wavelength
  5. 7. energy that comes from a source and travels through space at the speed of light
  6. 9. light rays when it bounces off something
  7. 10. Commonly used to heat up food
  8. 11. made up of 6 radiation type wavelengths
  9. 15. bending of light
  10. 20. man made