Light by Rosario

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Across
  1. 6. you cannot see clearly through material.
  2. 8. Carries nerve impulses from the retina to the brain for interpretation.
  3. 11. Absorb all colors of the visible spectrum.
  4. 12. Only allows light waves oscillating in the same direction to pass through.
  5. 13. All wavelengths of light that can be seen by the normal human eye.
  6. 15. Muscle that adjusts the amount of light that enters the eye through the pupil.
  7. 16. Causes the color of the sky.
  8. 18. Reflect all colors of the visible spectrum.
  9. 20. You can see objects clearly through them.
  10. 21. Transparent, refract light to focus on the retina.
Down
  1. 1. absorbs and reflects light, no light passes through it.
  2. 2. Light enters the material and changes into heat.
  3. 3. Random Reflection.
  4. 4. Opening in the iris.
  5. 5. Only allow certain wavelengths of light to pass through.
  6. 7. Reflect the color which they appear and absorb all other colors.
  7. 9. Light passes through the material.
  8. 10. Caused by the refraction of light.
  9. 14. only reflect certain wavelengths of light and absorb all others.
  10. 17. Light bounces off the material's surface.
  11. 19. Contains rods and cones which are sensors that sense light.