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Invisible Handprint
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Chemistry
Grade 2 - 4
We have performed this activity at 5 sessions. The activity has received an overall 5 out of five from 5 reviews.
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Summary
The “Invisible Handprint” activity uses baking soda and water to create invisible handprints. After drying, a turmeric and rubbing alcohol solution reveals the handprints, turning them red through a pH reaction, teaching kids about acids and bases.