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When it rains, water can collect on top of and seep into the ground. Water can also run downhill, carrying soil and pollution with it.

In this activity, learners make a model of a pollution spill that occurred at Bangs Lake in Mississippi and measure water quality parameters in their model.

In this environmental science activity (page 3 of the PDF), leaners will identify and explain the causes of erosion.

This activity models some of the ways natural processes, such as erosion and sediment pollution, affect Earth’s landscape.

In this design-based lesson, learners study flood dynamics as they modify a riverbed with blockages or levees to simulate real-world scenarios.