Teacher Resource Center

An assortment of teaching kit items: pH testing strips, test tubes and more

EarthEcho Water Quality Testing

Test the dissolved oxygen, pH, turbidity and temperature of a local waterway around your learning space! Then, upload your test results to an international database to compare your results to others’ and contribute to the citizen scientists interested in keeping our waterways healthy.
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
pictures of lake and river with smaller collection of pictures of fish

Habitat Hideout

Students learn to identify preferred fish habitats to help them locate fish “hideouts” when they go fishing.
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.