Скачать или смотреть Write Secret Messages With Invisible Ink! | STEM Activity

Have you ever wanted to send your friend a secret message that no one else can read? Then this activity is perfect for you! It will demonstrate two different ways of making invisible ink – and show you how to reveal it again! Written instructions are available on our website at https://www.sciencebuddies.org/stem-a...

Science Buddies also hosts a library of instructions for over 1,000 other hands-on science projects, lesson plans, and fun activities for K-12 parents, students, and teachers! Visit us at https://www.sciencebuddies.org/?ytid=... to learn more.

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