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In this activity, learners create a biosphere in a baggie.

$1 - $5 per student Ages 4 - 11 1 to 7 days
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In this activity, learners use objects they find on a nature and water to make creative frozen sculptures.

free Ages 4 - adult 10 to 30 minutes
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In this activity, learners will explore how density is affected by temperature and how that can create currents.

$1 - $5 per group Ages 4 - 14 10 to 30 minutes