The Limits of Light (50pts)
Across
- 1. the shortest wavelength of light is
- 3. this shrimp has 16 color sensors allowing it to see colors we can not
- 7. most cameras have a filter to block IR light
- 10. infrared can be sensed by us as heat
- 14. the human eye can see in UV
- 16. you use this type of wave to heat your food up
- 18. we use radio telescopes to search for
- 20. light acts like a
- 22. reacts to the exposure of light and darkens
- 24. this scientist discovered X-rays in 1895
- 25. even more powerful than x-rays think the hulk
- 26. are responsible for vision at low light levels (nightime)
- 28. emit radiation across the entire spectrum
- 31. this color of light is a waste product for plants
- 32. waves are used to broadcast your favorite tunes
- 33. how many colors arein the rainbow
- 34. are an indicator of health for some birds
Down
- 2. beyond the sea
- 4. discovered the infrared spectrum
- 5. you got one when you broke your arm
- 6. this central coast butterfly uses color to ward off predators
- 8. this color was reserved for people with elite status
- 9. each color in the visible spectrum has a color
- 11. are responsible for color vision
- 12. indigo reacts with this element and turns blue
- 13. proved sunlight contains
- 15. made of complicated molecules that absorb or reflect
- 17. indigo reacts with this and it turns blue
- 19. discovered the ultra violet spectrum
- 21. this natural plant dye was used to dye clothing for the last 25000 yrs
- 23. the human eye has only three color sensors that see in
- 26. this wave is used to control flight paths of planes
- 27. dispelled the theory that our eyes illiuminate subjects
- 29. insects see in
- 30. can be used to break white light up into the colors of the rainbow