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  • Writer's pictureVictoria Schult

Rainbow Science Experiments for Kids

Updated: Apr 25, 2020



Rainbows always make things more fun! Check out these colorful science experiments that will surely keep your child's interest!



With borax, pipe cleaners, and a LOT of patience, you can watch crystals grow overnight!


This simple experiment uses nail polish and black paper to reveal metallic colors in just a few minutes!


Watch the colors melt together with salt, food coloring, and blocks of ice!


This fun science experiment has a free printable recording sheet to teach children about observing changes over time. Place the flowers in colored water and watch as they slowly change to that color!


If your kids need a little more excitement in their science ventures, try this explosive baking soda and vinegar experiment!


Careful... this experiment can be TRIPPY! Watch colors swirl when you mix milk with dish soap!


If you color on coffee filters with markers, you can watch the ink travel!


For this experiment, the "rain" doesn't have to be blue! Add some other colors to watch as the dye falls like rain from the clouds!


Watch as a rainbow forms right before your eyes with markers and a paper towel!


Have you ever seen ink move? Check out this experiment and watch as dry erase ink dances across water!


Create a rainbow in a jar with the science of density!


Density can also be the reason for neon fireworks in this oil and water experiment!


Watch a rainbow appear with just water paper towels, and primary food coloring!

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