What this lesson teaches
Water conservation and harvesting.
Build a model rainwater harvesting system!
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Water conservation and harvesting.
Modelling a real civic solution to a real civic problem develops systems thinking and engineering design skills together. Students who build working models of water systems understand the constraints, trade-offs, and possibilities of real infrastructure — creating awareness and agency that information-only approaches cannot.
1. Set up roof model. 2. Add filter with gravel. 3. Connect pipe to storage. 4. Pour water. 5. Measure collected.