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