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Find your Blind Spot science experiment : Fizzics Education

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Find your Blind Spot

Find your Blind Spot

Follow FizzicsEd 150 Science Experiments:

You will need:

  • Paper
  • Scissors
  • Pen
  • Ruler

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Find your blindspot science experiment - materials needed
1 Using a ruler to measure out the strips of paper

Use a ruler to create a two lines to cut along later.

2 An 'X' marked inbtween two lines on paper

Make a cross shape on one side of the paper strip

3 A paper strip with two crosses on it being cut out by scissors

Make a target shape on the other side of the paper and then cut out the paper strip.

4 Find your blindspot science experiment - using the test card

Hold the paper strip up to your face, so that the cross is in front of your right eye.

The picture of the ‘target’ should be to the right of your face. Close your left eye. Focusing on the cross, slowly move the paper away from your face.

As you move the page away from your face, you notice that at some point you can’t see the ‘target’ within your peripheral vision; you’ve found where your blind is!

5 3 different lengths of paper strips on a black table cloth

Try different lengths of paper strip – does this make a difference?

6 Microscope
7 Teacher showing how to do an experiment outside to a group of kids.

Online courses for teachers & parents

– Help students learn how science really works

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Why Does This Happen?

The blind spot occurs due to the structure of the eye. When light travels reaches the back of the eye, it’s wavelength is interpreted by the group of cells collectively called the retina. In the middle of the retina is an area called the fovea, a place where many blood vessels are located. As there are no cells that detect light within the fovea, there is a natural ‘blind spot’ created in your field of vision. Luckily your eye moves slightly several times a second (called saccades), adjusting for this blind spot!

Variables to test

More on variables

  • Shorten or lengthen the distance between the marks on your paper. Does this make a difference?

Learn more!

Teaching about the human body? From 5 senses to the skeletal system, the Human Body workshop has you covered!
Get in touch with FizzicsEd to find out how we can work with your class.

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