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Create a Rainbow

Make a rainbow and learn how light is made up of different colors.

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Average Rating:
Participant Age: Under 7, 7 to 12
Approximate Cost: Under $10
Duration: 1 to 60 minutes
Difficulty:
Physical Challenge:
  • A handheld mirror
  • A shallow pan
  • A sunny day

Fill the pan with water and put it on a table next to a window.


Put the mirror on one side of the pan so that you can see the water reflected in the mirror.


  • Now tilt the mirror so that it catches a bit of sunlight and reflects it back onto the wall next to the window.
  • Continue tilting the mirror at different angles and moving the pan around until the sunlight on the wall splits into a beautiful rainbow.

Explain to your child that water splits sunlight into its seven different colors. The mirror reflects these colors on the wall in the form of a rainbow.


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