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Some aquatic organisms live in open water, while some live in soil at the bottom of a body of water.

$1 - $5 per group Ages 6 - adult 30 to 45 minutes
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In this activity, learners investigate and compare the rate of drying in different conditions.

$1 - $5 per group Ages 6 - 11 30 to 45 minutes
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This activity shows you how to make amazing crystal spikes using Epsom salt and the sun.

$1 - $5 per student Ages 6 - 11 1 to 2 hours