Light & Vision

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Across
  1. 3. Without this part of our body, we wouldn't be able to understand any information coming from our eyes.
  2. 4. The name for regular sunlight is _____ light.
  3. 6. Part inside your eye that focuses the image onto your retina
  4. 7. Violet plus Red wavelengths of visible light make the color _____.
  5. 9. Your brain receives the image of what you are seeing __________ and must flip it the right way.
  6. 10. Light passes through this hole in your eye
  7. 12. When the amount of light changes, the _____ of your pupil changes too.
  8. 13. When light waves bounce off a ______, they must reflect at the same angle.
  9. 14. There are 7 colors in a _____.
  10. 15. When sunlight passes through millions of little _____ in the sky, a rainbow is created.
  11. 16. The type of wave energy used to see bones and teeth
  12. 19. A shorter _____ means higher energy. A longer _____ means lower energy. (same word)
  13. 21. We see things because light _____ off objects and goes into our eyes.
  14. 22. Microwaves, visible light, and infrared waves are all types of energy on the ________ Spectrum.
  15. 26. The back part of your eye, like a movie screen
  16. 27. When light passes through water, it gets _____.
  17. 29. A type of wave energy that snakes use to hunt
  18. 30. These low-energy waves are used to send signals through the air for communication
Down
  1. 1. The colored part of your eye
  2. 2. The sun, a lamp, a fire, and a flashlight are all examples of ________.
  3. 4. When all light waves reflect off of something, we see the color...
  4. 5. These waves can cook food by heating up the water inside it.
  5. 8. Cells on your retina that sense colors
  6. 9. A type of wave energy that comes from the sun and can burn our skin
  7. 10. A type of crystal or glass object that can break sunlight into all of its colors
  8. 11. The number of colors in the Visible Light spectrum
  9. 17. Cells on your retina that sense black and white
  10. 18. Your eye has a lot of the same parts as this machine that makes images.
  11. 20. The wave energy that is most dangerous to humans
  12. 21. Red plus Green wavelengths of visible light make the color _____.
  13. 23. Outside part of the eye that can be damaged by UV rays
  14. 24. This part sends the message from your eyes to your brain
  15. 25. When all light waves are absorbed by something, we see the color...
  16. 28. The wavelength of visible light between the colors blue and violet in the rainbow