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

In this simulation, learners explore how ocean currents spread all kinds of pollution—including oil spills, sewage, pesticides and factory waste—far beyond where the pollution originates.

In this activity, learners make a model of the hot water of a deep sea vent in the cold water of the ocean to learn about one of the ocean's most amazing and bizarre underwater habitats.

This experiment is designed to illustrate how fluids, including water, have the ability to flow.

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

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