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SEEING RED

Test if your eyes can get tired of seeing only one colour

Suitable For

Grade 1

Difficulty

1

Time Required

 <1 Hour

Supervision

Advised

What’s it about?

Some objects or colours can trick your eyes so that objects appear differently than how they actually are. With this science experiment, find out how too much of one colour can make your eyes tired:

Topics covered

Retina

What will I need?

  • YOUR EYES
  • COLOURED PAPERS
  • WHITE PAPER

Procedure (Method)

Unfortunately, this section is only available in the e-book version of the project.

How does it work?

Unfortunately, this section is only available in the e-book version of the project.

In this science experiment, a square part of the retina of your eye does not receive any colour other than red when staring intensely at the red square piece of paper. The nerve endings attached to the back of the retina get tired and do not respond to red anymore. The colour ‘white’ reflects all colours: red, orange, yellow, green, blue and violet and when looking at the larger white paper, your eyes see all colours except red, causing you to see a blue-green square after image.

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This particular science project can be found in any of the following Experiland e-books:

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