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In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.

$5 - $10 per group Ages 6 - 14 30 to 45 minutes
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An estuary is a body of water that is created when freshwater from rivers and streams flows into the saltwater of an ocean.

$10 - $20 per group Ages 8 - 18 1 to 4 weeks