Make Your Own Invisible Ink! Awesome DIY STEM Project for Kids

Write a secret message with invisible ink! This awesome STEM project for kids uses chemistry to make your own invisible ink. We’ll talk about pH indicators, bases, reagents, and chemical changes while we make invisible ink using baking soda in this chemistry experiment. Write a message for a friend and create the reagent mixture using turmeric and hand sanitizer. Watch as your invisible ink secret message is revealed! It’s not magic, it’s chemistry for kids! This STEM activity is perfect for elementary aged kids, and is easy to do again and again with materials you probably have at home.
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