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In this activity, learners try to float ink on the surface of water to create a pattern and then capture it with absorbent paper.

Over $20 per student Ages 8 - 18 45 to 60 minutes
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In this activity on page 8 of the PDF (Behind the Scenes with Chemistry), learners make three of Harry Potter's essential school supplies: quills, ink, and color-changing paper.

$10 - $20 per student Ages 8 - 14 1 to 7 days