purposeful play

Rainbow Cupcake Science Experiment

hands-on summer activity for kids

This Rainbow Cupcake Science Experiment for kids is a super fun, hands-on summer activity your kids will love!  This simple STEM experiment only requires a few ingredients and will keep your kids engaged for quite awhile this summer. Keep reading for the step by step instructions and to shop this project!

purpose

  • Builds new brain connections

  • Increases your child’s ability to absorb what they are learning

  • Helps develop memory skills

  • Develops fine motor and language skills

  • Experiments with cause and effect

  • Explores chemical reactions in a safe, colorful way

  • Screen-free fun!

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directions

How to do the Rainbow
Cupcake Science Experiment

  • 2-3 tbsp water

  • Red food coloring

  • 4-5 tbsp baking soda

Tip: Mix water and food coloring together first before you add the baking soda

  • Stir the ingredients together 

  • Mix well until mixture is paste like

  • Add the mixture to a silicone cupcake liner

  • Repeat the process with the other 5 colors of the rainbow

  • Place the cupcakes in the freezer

  • Freeze for 1-2 hours

  • Add lemon juice to a squirt bottle

  • You can also use vinegar instead of lemon juice. We just like to use lemon because it smells really good!

  • This can be done inside or outside

  • Consider placing the cupcakes inside a tray to prevent making a mess

  • If you do this outside without a tray and on a pavement-be aware as it could stain the pavement.  Be sure to rinse the pavement immediately after the experiment is over

  • Squirt lemon juice into each cupcake

  • Watch the erupting rainbow volcanoes!

  • Continue adding lemon juice (or vinegar)

  • This experiment can last a long time as long as you have lemon juice-so be sure to have plenty on hand!

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summer science experiment

What is the science
behind the Rainbow Cupcake Science Experiment?

  • It’s a chemical reaction

  • Baking soda is the base

  • Lemon juice is the acid

  • When a base and an acid are mixed together- a gas called carbon dioxide is formed causing the bubbling reaction

  • Chemistry

  • Chemical reaction

  • Base

  • Acid

  • Carbon dioxide

  • Gas

More Rainbow Activities!

Hello there! I'm Sarah Britton and I am so excited you stopped by! Join me as we explore simple yet effective ways to create purposeful play opportunities for your child.

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