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Learners compare the weight of equal volumes of wax, water, and clay. Learners discover that since the wax weighs less than an equal volume of water, it is less dense than water and will float.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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In this activity, learners make their own "tornado" using two soda bottles and water.

free Ages 4 - 11 10 to 30 minutes
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In this activity on page 7 of the PDF, learners investigate the solubility of gas in water at different temperatures. This experiment will help learners determine if temperature affects solubility.

$1 - $5 per student Ages 8 - 14 45 to 60 minutes