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In this two-part activity, learners investigate buoyancy, density and surface area as well as biodiversity and the relationship between the structure and function of organisms.

Over $20 per group Ages 8 - 18 1 to 2 hours
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In this long-term activity, learners make a home for a colorful community of microorganisms.

$5 - $10 per student Ages 8 - 18 1 to 4 weeks