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Let Off Some STEAM: The Science of Invisible Ink

Learn the science behind amazing invisible ink!
What secret ingredient will reveal messages written in invisible ink — is it magic or science?
Join us as we explore the pH scale of acids and bases. We'll test various safe liquids to discover their positions on the pH scale, then use invisible ink to write secret messages and reveal them to all!
Suitable for ages 7-12.
Please only register the children participating in the activity.
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