Light Test Review by: Lydia Connally

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Across
  1. 3. The absence of color.
  2. 5. A ring of muscles that changes to change the amount of light allowed to enter the eye.
  3. 8. A three-dimensional picture created by using a laser to split light into two beams.
  4. 10. The color of the object that you see is the only color that it ________.
  5. 11. Colors Of Light: Red, Green, Blue
  6. 12. The primary colors of ________ are cyan, yellow, and magenta.
  7. 13. Point: A point where all the rays meet
  8. 15. All of the colors.
  9. 16. When light rays enter a new medium it causes them to have a change in speed or ____.
  10. 18. The image formed by convex mirrors is always this.
  11. 21. Respond to colors
Down
  1. 1. The ____ react to small amounts of light.
  2. 2. Image made of a distant object caused by the refraction of light
  3. 4. ______ Reflection is when light hits a bumpy surface
  4. 6. Where light enters your eye.
  5. 7. A ___________ person can see objects in a distance clearly but not close up.
  6. 9. Light: If you combine all the primary colors of light in equal amounts you get this.
  7. 11. A ______ mirror is a flat mirror
  8. 14. A material that absorbs or reflects all the light that hits it
  9. 17. Passing a white light through this separates the colors.
  10. 19. Nerve: How signals generated by rods and cones reach the brain
  11. 20. Image: A _____ _____ is made when rays actually meet at a point.