Canadian Studies · Grade 9

Active learning ideas

Sustainable Aquaculture & Fisheries

Active learning works for this topic because students must weigh trade-offs between environmental health and food production, a skill that benefits from hands-on, role-based activities. Debates, simulations, and jigsaws encourage students to apply data analysis and critical thinking rather than passively absorb information about complex ecosystems.

• Ontario Curriculum Expectations
• Ontario Curriculum CGC1D/1P: C2.3. Describe some key initiatives and practices associated with resource stewardship in Canada.
• Ontario Curriculum CGC1D/1P: C2.5. Explain the importance of stewardship in resource management.
• Ontario Curriculum CGC1D/1P: C2.6. Analyse the causes and consequences of the collapse of a specific resource industry in Canada.

• 35–50 min
• Pairs → Whole Class
• 4 activities

Activity 01

• Formal Debate
• 45 min · Small Groups

Formal Debate: Aquaculture vs Wild Fisheries

Divide class into two teams per fishery case study, like BC salmon. Provide data sheets on impacts and benefits. Teams prepare 3-minute opening arguments, followed by 2-minute rebuttals and whole-class vote with reflection on evidence.

Assess whether fish farming can effectively address the problem of overfishing and food security.

Facilitation Tip

During the Structured Debate, assign roles explicitly so students prepare thoroughly; provide a debate outline with time limits to keep discussions focused.

What to look for

Facilitate a class debate using the prompt: 'Resolved: Fish farming is a more sustainable solution to food security than relying solely on wild-capture fisheries.' Ask students to present evidence for both sides, considering environmental impacts and food availability.

• Analyze
• Evaluate
• Create
• Self-Management
• Decision-Making

Activity 02

• Jigsaw
• 50 min · Small Groups

Jigsaw: Fishery Management Plans

Assign expert roles on topics like quotas, habitat protection, and monitoring. Experts teach home groups, then return to design a full plan for a hypothetical Great Lakes fishery. Groups present and peer-review plans.

Compare the environmental impacts of wild-capture fisheries versus aquaculture.

Facilitation Tip

For the Jigsaw activity, assign each expert group one real Canadian fishery (e.g., Bay of Fundy scallops) to research before sharing findings with their home groups.

What to look for

Provide students with a short case study of a declining fish stock (e.g., Atlantic cod). Ask them to identify two potential causes for the decline and propose one management strategy, either for wild fisheries or aquaculture, to address the issue.

• Understand
• Analyze
• Evaluate
• Relationship Skills
• Self-Management

Activity 03

• Simulation Game
• 35 min · Pairs

Simulation Game: Sustainable Farm Model

Pairs build simple aquaculture tank models using trays, fish cutouts, and waste trackers. Simulate feeding, water changes, and disease outbreaks over 3 rounds. Calculate sustainability scores and adjust for improvements.

Design a sustainable management plan for a hypothetical Canadian fishery.

Facilitation Tip

In the Simulation: Sustainable Farm Model, circulate with a checklist to ensure students adjust variables (e.g., feed type, stocking density) and record outcomes in a shared class data table.

What to look for

Students work in small groups to draft a sustainable management plan for a hypothetical Canadian fishery. After drafting, groups exchange plans and use a rubric to assess: Is the plan ecologically sound? Is it economically viable? Does it consider social impacts? Provide one specific suggestion for improvement.

• Apply
• Analyze
• Evaluate
• Create
• Social Awareness
• Decision-Making

Activity 04

• Gallery Walk
• 40 min · Small Groups

Gallery Walk: Impact Comparisons

Groups create posters comparing wild vs. aquaculture impacts with data visuals. Rotate to add sticky-note critiques and solutions. Conclude with whole-class synthesis of best practices.

Assess whether fish farming can effectively address the problem of overfishing and food security.

Facilitation Tip

During the Gallery Walk, post guiding questions on each poster to direct attention toward environmental impacts, not just visual appeal, and set a timer to maintain momentum.

What to look for

Facilitate a class debate using the prompt: 'Resolved: Fish farming is a more sustainable solution to food security than relying solely on wild-capture fisheries.' Ask students to present evidence for both sides, considering environmental impacts and food availability.

• Understand
• Apply
• Analyze
• Create
• Relationship Skills
• Social Awareness

A few notes on teaching this unit

Experienced teachers approach this topic by embedding ethical reasoning into every activity, asking students to consider who benefits and who bears the costs of different management choices. Avoid oversimplifying the debate by presenting aquaculture as a universally better solution; instead, use data to show how context matters. Research suggests students retain more when they connect abstract ecological concepts to tangible roles, such as fishery managers or community members, which builds empathy and nuanced understanding.

Successful learning looks like students confidently articulating the environmental and economic trade-offs between aquaculture and wild fisheries. You should see them using evidence to support claims, designing balanced management plans, and recognizing that no single solution exists for sustainable fisheries management.

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Watch Out for These Misconceptions

• During the Structured Debate, watch for students claiming aquaculture has no drawbacks.

  Use the debate structure to force them to defend both sides; provide data on pollution and disease risks for aquaculture and overfishing impacts for wild fisheries to redirect oversimplified claims.

• During the Simulation: Sustainable Farm Model, watch for students assuming fish populations recover instantly.

  Have them adjust harvest quotas in the simulation and observe lag times in population recovery, emphasizing that recovery requires long-term management.

• During the Gallery Walk: Impact Comparisons, watch for students believing farmed fish have no effect on wild ecosystems.

  Point to the comparison charts showing genetic mixing and waste runoff, asking them to trace how these factors link farmed and wild populations in the same watershed.

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Methods used in this brief

• Formal Debate
• Jigsaw
• Simulation Game
• Gallery Walk