Science · Grade 6

Active learning ideas

Evidence of Climate Change

Hands-on activities make abstract climate science tangible for students. Tracking trends on graphs, simulating ice cores, and modeling sea-level rise transform data into visible, memorable evidence. Active learning helps students move from passive acceptance to confident analysis of reliable sources.

• Ontario Curriculum Expectations
• MS-ESS3-5

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

Activity 01

• Gallery Walk
• 50 min · Small Groups

Gallery Walk: Climate Data Stations

Prepare stations with temperature graphs, ice core images, sea-level charts, and model predictions. Small groups visit each for 7 minutes, annotate evidence strength, then share findings in a class debrief. Extend by having groups defend one data type's reliability.

Analyze different types of scientific evidence that support the reality of climate change.

Facilitation Tip

For the Gallery Walk, place each data station near a window or wall with clear, labeled graphs so students can move without crowding.

What to look for

Provide students with three short descriptions of climate evidence sources: a peer-reviewed journal article abstract, a blog post from an advocacy group, and a government scientific report summary. Ask students to rank them from most to least reliable and briefly explain their reasoning for one ranking.

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

Activity 02

• Case Study Analysis
• 35 min · Pairs

Ice Core Layering Simulation

Provide trays with colored salts and ice layers to mimic cores; students add 'CO2' markers by era. They excavate, record gas trends over time, and graph results. Discuss how cores provide proxy data for past climates.

Evaluate the reliability of various data sources used to study climate trends.

Facilitation Tip

During the Ice Core Layering Simulation, have students wear gloves and use clear straws to layer colored sand carefully to avoid spills.

What to look for

On an index card, have students write one specific piece of evidence for climate change (e.g., rising global temperatures, melting glaciers). Then, ask them to write one sentence explaining how scientists collect or interpret this evidence.

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

Activity 03

• Case Study Analysis
• 40 min · Small Groups

Sea-Level Rise Watershed Model

Build simple coastal models with sand, water, and rising 'ocean' levels using syringes. Groups measure inundation at different elevations, calculate impacts, and predict changes from data trends. Photograph before-and-after for reports.

Explain how scientists use models to predict future climate scenarios.

Facilitation Tip

In the Sea-Level Rise Watershed Model, assign roles so each student measures water height and records changes every two minutes to keep the activity on track.

What to look for

Pose the question: 'If a climate model predicts a significant temperature increase by 2100, what are two types of real-world data scientists might use to build confidence in that prediction?' Facilitate a brief class discussion, guiding students to connect models with observational data.

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

Activity 04

• Case Study Analysis
• 45 min · Whole Class

Climate Model Debate Relay

Divide class into teams representing data sources; relay questions on predictions like temperature rise. Teams consult models, cite evidence, and vote on most reliable forecast. Conclude with consensus statement.

Analyze different types of scientific evidence that support the reality of climate change.

What to look for

Provide students with three short descriptions of climate evidence sources: a peer-reviewed journal article abstract, a blog post from an advocacy group, and a government scientific report summary. Ask students to rank them from most to least reliable and briefly explain their reasoning for one ranking.

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

A few notes on teaching this unit

Start with the Gallery Walk to build curiosity about different data types before diving into simulations. Research shows that comparing peer-reviewed data first helps students recognize gaps in less reliable sources. Avoid overwhelming students with too much data at once, but do challenge them to notice patterns across stations. Use the Ice Core Simulation to make time scales concrete, since students often struggle with the difference between seasonal and millennial changes in climate records.

Students will explain how multiple types of evidence connect to human-caused climate change. They will evaluate data sources critically and use models to test predictions against observed patterns. Successful learning shows up as clear links between activities, evidence, and explanations during discussions and written work.

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Watch Out for These Misconceptions

• During the Ice Core Layering Simulation, watch for students who assume CO2 spikes are always natural.

  Use the simulation’s timeline cards to overlay industrialization data, and have students graph CO2 levels against human activity timelines to see the correlation directly.

• During the Gallery Walk, watch for students who treat all data sources as equally trustworthy.

  At the source evaluation station, provide calibration labels and ask students to compare error margins and peer review status on each poster before ranking reliability.

• During the Climate Model Debate Relay, watch for students who dismiss models as inaccurate.

  Have teams test their climate model predictions against historical sea-level and temperature data before presenting, so they see how models refine with real evidence.

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Methods used in this brief

• Gallery Walk
• Case Study Analysis