Holiday Crafts > Spring > Water Rainbow Craft

Water Rainbow Craft

This rainbow water activity is a fun science project that you can do with even very young children. Make up glasses of red, blue and yellow water and then let your children experiment with mixing the primary colors together to create new colors. Our daughter absolutely loved this activity and we did it at least 3 times in one night. It’s also a great activity to let your child practice pouring liquids. Help your little scientist form their own hypotheses and let them experiment to test them out (ie: what color do you think we’ll make if we mix yellow and blue?). This activity is also perfect for St. Patrick’s Day as the magic of leprechauns could be changing the water color as well!

What you'll need:

  • 3 large, clear glasses of water
  • 3 smaller, clear glasses
  • 1 cup measuring glass
  • Red, yellow, blue liquid food coloring
  • Spoon
How to make your Water Rainbow:
  • Fill the three large glasses with about one cup of water each. Leave the other three smaller glasses empty.
  • Add a few drops of red food coloring to one of the large glasses of water and stir with a spoon to mix well. Repeat with the yellow and blue food coloring with the other two glasses. When done you should have a large glass of each of the colors.
  • Use the measuring cup to measure ˝ cup of one of the colored waters and pour into a small glass. Pick a second color and pour ˝ cup of it into the same small glass. See what color you made!
    Red + Blue = Purple
    Blue + Yellow = Green
    Red + Yellow = Orange


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