Understanding Intended Benefits and Accidental Costs

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Distinguish between the purposeful goals of modifying land and the unforeseen environmental harms that follow.

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Modifying Water and Farmland: Benefits and Environmental Costs

4th Grade · Social-studies · US-WI-SS

7 lessons

Goal

Analyze the trade-offs of human modifications to river systems, groundwater, and agricultural soils, from dams and irrigation to chemical fertilizers.

7 lessons

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Damming Rivers for Hydroelectricity and Water StoragePremiumUp next
How River Dams Disrupt Fish Migration and Sediment FlowNot started yet
Agricultural Irrigation: Transforming Arid SoilsNot started yet
Aquifer Depletion and Sinking Land from OverpumpingNot started yet
Fertilizers: Boosting Crop Yields and Soil FertilityNot started yet
Agricultural Runoff and Water Pollution in LakesNot started yet

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Learning standards covered

SS.Geog5.a.3-4Wisconsin Social Studies Standards · 4th Grade

Compare the positive and negative effects of human actions on our physical environment (e.g., availability of water, fertility of soils) over time.