Dive into our Great Lakes Lessons & Resources
Explore curated Great Lakes resources from Sea Grant and other partners.
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Poster: Great Lakes Fishes
Both beautiful and educational, this full color poster (26.5″ x 38.5″) shows very accurate fish illustrations…
Article: Early Detection: When it comes to Great Lakes invasives, prevention is the only cure
This news article highlights a list of 144 potentially invasive species from a 2021 study, with…
Article: Invasive Crayfish 101
An overview of invasive crayfish with information on their life history, distribution, impacts, and more. Written…
Community Presentations and Engagement, Investigating Crayfish and Freshwater Ecosystems, Lesson 9
Lesson Summary Students make presentations and/or create videos about their crayfish research project(s). In this way,…
From Mental Maps to GIS: Modeling Data with Visualization and Mapping, Investigating Crayfish and Freshwater Ecosystems, Lesson 8
Lesson Summary Students are engaged by creating mental maps of their local watershed or the larger…
Crayfish as Indicator Species, Investigating Crayfish and Freshwater Ecosystems, Lesson 7
Lesson Summary Students will first read about a hypothetical mysterious phenomenon about crayfish disappearing from a…
Plankton: Educators explore these tiny Great Lakes heroes
By Nate Drag | March 2025 What happened? To learn about the microscopic world of Great…
Collecting Reliable Crayfish Data, Investigating Crayfish and Freshwater Ecosystems, Lesson 5
Lesson Summary In this lesson, students participate in a scientific field study* and apply what they…
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