How to Mix 3 Colors to Make a Rainbow – Science Experiments for Kids – Primary Colors

How to Mix 3 Colors to Make a Rainbow – Science Experiments for Kids – Primary Colors

Do you know how to MAKE A RAINBOW? Join Professor Labcoat as he makes the entire rainbow from just 3 colors – red, yellow, and blue.

red + blue makes purple
yellow + blue makes green
red + yellow makes orange

Learn about primary colors, secondary colors, and tertiary colors.
We also show you a great memory aid for remembering all the colors of the rainbow!

Make sure to WATCH TO THE END for outtakes!

It’s never too early to get kids excited about science by doing demonstrations and experiments.Hands-on experience with color mixing for kids is a great way to remember these concepts for good. Let us know what other videos you’d like to see in the comments below!

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Thank you for watching. 🙂

– 7 cups
– water
– milk
– red, yellow, and blue food coloring drops
– something to stir with (we used a chopstick)
That’s it! Have fun!

We Recommend the fun and educational delivery boxes from Steven Spangler:

Spangler Science Club – Interactive Science Activities delivered every month

For Teachers: Really Good Box of Stuff – new themed educational box delivered each month (something for you and something for your class)

Professor Labcoat: Matt DeNoto
Directed by Michael Harrison
Written and Produced by Kimberly Hatch Harrison

Music licensed from, a division of Getty Images


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