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Curated OER
Where Does it Come From?...Where Does it Go?
Students summarize and illustrate how a water treatment plant and wastewater treatment plant work. Students describe the source of water for their community and the adequacy of groundwater to meet the community's needs. Students also...
Curated OER
What Does Waste Do to a River?
Pupils develop a graphic way of visualizing the concept of a million by utilizing what had happened to the Nashua River due to the dumping of raw sewage in 1962.