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In this activity on page 11 of the PDF, learners use candle wax to make "invisible" designs that are revealed with watercolor paints.

$1 - $5 per student Ages 6 - 11 5 to 10 minutes
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In this activity on page 2 of the PDF, learners discover how color changes can help scientists distinguish between acids and bases.

$10 - $20 per student Ages 6 - 11 10 to 30 minutes
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In this activity on page 7 of the PDF, learners experiment with the interesting designs that can be made by painting on plaster.

$10 - $20 per student Ages 6 - 14 10 to 30 minutes