In this activity, students create a model of a watershed, create farms and urban areas within it, add pollution to some areas, and watch how “rain” flows through the watershed, picking up pollution as it goes. The basic watershed model can be easily adapted for specific student needs and learning objectives.
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Students should understand that:
- Identify shapes and kinds of land and bodies of water in their area.
- Use a representative model to describe connections and interactions among landforms, land-use, and water bodies.
- Older students will be able to use a representative model to describe ways the hydrosphere interacts with the atmosphere, geosphere, and biosphere.