Teacher Resource Center

satelite image of Duluth

Freshwater Estuary/Wetlands Model: Exploring Estuary and Wetland Functions

As the St. Louis River flows into Lake Superior, it creates a freshwater estuary.  This dynamic area can provide several important aquatic habitats; open water, sediment on the bottom and wetlands along the shoreline. Students will observe the characteristics of wetlands and estuaries through the use of a model and identify their importance to the health of aquatic… View More
illustrated images of water arranged neatly on table

Water Drop Activity

An introduction to wastewater and storm that helps students understand the benefits of clean water.
collection of papers and pictures about types of animals living in rivers

It’s A Ruffe Life: An Introduction to Invasive Species

Students begin by matching images of common invasive species with their characteristics and impacts. Students then engage in an activity that simulates the impacts of Eurasian ruffe on the natural ecosystem of the St. Louis River.