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In this activity, learners explore how salt water freezes in comparison to fresh water.

In this activity, learners explore in what ways the shape of the land and the pull of gravity influence how water moves over Earth.

Educator Amy O'Donnell from the American Museum of Natural History guides learners to create a diorama of a coral reef.

In this activity, learners explore a bucket of sand and beach objects.

In this activity about camouflage, learners create a model that shows how a flounder is able to blend into a variety of environments.