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Fun Science Experiments for Kids

Enjoy our range of fun science experiments for kids that feature awesome hands-on projects and activities that help bring the exciting world of science to life.

Make a RainbowMake Your Own Rainbow

Learn how to make a rainbow with this fun science experiment for kids. Using just a few simple everyday items you can find out how rainbows work while enjoying an interactive, hands on activity that’s perfect for kids.

 
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What you'll need:

  • A glass of water (about three quarters full)
  • White paper
  • A sunny day

 

Instructions:

  1. Take the glass of water and paper to a part of the room with sunlight (near a window is good).
  2. Hold the glass of water (being careful not to spill it) above the paper and watch as sunlight passes through the glass of water, refracts (bends) and forms a rainbow of colors on your sheet of paper.
  3. Try holding the glass of water at different heights and angles to see if it has a different effect.

 

What's happening?

While you normally see a rainbow as an arc of color in the sky, they can also form in other situations. You may have seen a rainbow in a water fountain or in the mist of a waterfall and you can even make your own such as you did in this experiment.

Rainbows form in the sky when sunlight refracts (bends) as it passes through raindrops, it acts in the same way when it passes through your glass of water. The sunlight refracts, separating it into the colors red, orange, yellow, green, blue, indigo and violet.

 

Prism rainbow

 

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