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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.

Learners gain an intuitive knowledge of the physical aspects of watersheds by creating their own watershed models.