Science// How we see


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  • Created by: issy_
  • Created on: 16-06-14 19:01

1. What happens when light rays cross over?

  • It's the same
  • You can't see anything
  • The image turns upside down
  • You see two of everything
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Other questions in this quiz

2. What does the Iris do in the eye

  • It crosses the light rays over
  • It controls the amount of light entering the eye
  • It focuses on objects
  • It's just the coloured part for appearance

3. What happens when light waves hit a retina cell?

  • It creates a picture for you to see
  • It causes a chemical and electrical reaction in special cells that send signals to the brain
  • It blinds the eye
  • It causes a chemical and electrical reaction in special cells that send signals to the pupil

4. What does the convex lens do in the eye?

  • Changes shape to focus light from objects at varying distances
  • it creates the images for us to see
  • it cleans the eye
  • it stops infections getting into the eye

5. Anything that absorbs light energy is called what?

  • a keeper
  • an assimilator
  • an absorber
  • a reflector

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