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In this activity, learners visualize the differences in water density and relate this to the potential consequences of increased glacial melting.

In this activity, learners work in groups to build simple solar stills filled with salt water. After the stills are complete, learners observe what happens when they place the stills in the sun.

In this activity, learners explore the concept of density-driven currents (thermohaline circulation) and how these currents are affected by climate change.