Teacher Resource Center

collection of items: poster of minnesota fish species, cards with fish pictures on them, and stuffed toy fish arranged neatly on table

Fish Families

Students learn to identify characteristics of five Minnesota fish families.
collection of papers and stamps arranged on table

The Nitrogen Cycle

Students will be introduced to the concept of cycling nutrients by taking on the role of a nitrogen atom traveling through the nitrogen cycle.
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.
collection of materials including net, toy fish, and information sheets

Becoming Scientists: Collecting Data

This lesson will help students learn why and how fisheries managers conduct fish surveys. Students will become familiar with some of the equipment and survey methods that Minnesota DNR fisheries biologists use.