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Graph Analysis: Identifying variables, trends, and more - Fish population focus


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About This Lesson

Resource: Wet lab


Media (4 min)Join Holly on the Teleost, a Canadian Coast Guard fisheries research vessel. Follow the data as it travels from the nets to the lab in the belly of the boat!

  • See the media: Ocean School makes media/activity combinations. Each piece of media is linked to an activity. You can access this video by visiting the Ocean School website or by visiting the direct link here. If you like this media, you can see all of the available resources in the Ocean School Resource Catalogue. Everything in Ocean School is provided free to the public.

Activity (30 mins): Analysis - What does this graph mean? Students are challenged to read and interpret a graph about the fluctuating population of cod in the last 40 years. Tasks include: Identifying variables and trends in the data, sharing what they are still wondering about and, choosing a title. Key Concepts: reading graphs, communication, critical thinking.

  • Want another format? We offer a Google Slides version of the activity, a Microsoft Powerpoint version of the activity, and a PDF version of the activity on the Ocean School website.

About Ocean School
This is a free educational resource from the Canadian Government about the ocean, through the Ocean Frontier Institute at Dalhousie University and the National Film Board of Canada. Ocean School provides media-rich, ocean-based resources in multiple subjects for students in grades 5–12. Created by educators, scientists and storytellers, these interactive learning materials help students understand our influence on the ocean and the ocean’s influence on us. Ocean School is ad-free and requires no login for teacher or student.

Available in French
Check out the Resources tab for the French activity sheets and media.
Or check out the French Ocean School page.

Please note: Ocean School activities are not stand-alone lessons (they do not cover all aspects of one topic or subject) but instead supplement learning through dynamic and engaging experiences.

Lesson Resources:


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