Science · Grade 6

Active learning ideas

The Water Cycle and Watersheds

Active learning makes the water cycle and watersheds tangible for students, allowing them to see how water moves across landscapes rather than just hearing about it. Hands-on activities help students grasp abstract concepts like non-point source pollution and land use impacts, which are critical for understanding real-world environmental issues in Ontario.

• Ontario Curriculum Expectations
• MS-ESS2-4

• 20–60 min
• Pairs → Whole Class
• 3 activities

Activity 01

• Inquiry Circle
• 40 min · Small Groups

Inquiry Circle: Crumpled Paper Watershed

Students crumple a large sheet of paper, then slightly uncrumple it to create 'mountains' and 'valleys.' They use markers to draw 'pollution' on the peaks and spray water to see where the 'runoff' collects.

Explain how water moves through the local landscape as part of the water cycle.

Facilitation Tip

During the 'Crumpled Paper Watershed' activity, circulate and ask guiding questions like, 'Where does the water collect? What happens when you add 'pollution' here?' to keep students engaged with the model.

What to look for

Provide students with a simplified map of a local watershed. Ask them to draw arrows showing the direction of water flow from various points to the main river or lake. Then, ask them to label one area that might experience increased runoff due to urbanization.

• Analyze
• Evaluate
• Create
• Self-Management
• Self-Awareness

Activity 02

• Stations Rotation
• 60 min · Small Groups

Stations Rotation: Water Quality Testing

Students test different water samples (tap, pond, 'simulated' runoff) for pH, turbidity, and temperature. They must determine which sample is healthiest for local fish species.

Analyze the interconnectedness of different parts of a watershed.

Facilitation Tip

For 'Water Quality Testing,' assign roles clearly so students rotate efficiently and focus on interpreting results rather than the mechanics of the tests.

What to look for

Pose the question: 'Imagine a new shopping mall is built in our watershed. What are two ways this development could change how water moves through our local landscape, and what might be the consequences?' Facilitate a class discussion where students share their predictions.

• Remember
• Understand
• Apply
• Analyze
• Self-Management
• Relationship Skills

Activity 03

• Think-Pair-Share
• 20 min · Pairs

Think-Pair-Share: The Sacred Water

Students read about the Indigenous-led Water Walks around the Great Lakes. They discuss in pairs how viewing water as a 'relative' rather than a 'resource' might change how we treat our local rivers.

Predict the impact of urbanization on the natural flow of water in a watershed.

Facilitation Tip

In the 'Think-Pair-Share' for 'The Sacred Water,' provide sentence stems to support students who need help articulating their ideas about water's cultural significance.

What to look for

On an index card, have students define 'watershed' in their own words and then list two human activities that can impact the health of a watershed. Collect these to gauge understanding of core concepts.

• Understand
• Apply
• Analyze
• Self-Awareness
• Relationship Skills

A few notes on teaching this unit

Teachers should emphasize that watersheds are living systems where every action has a reaction downstream, reinforcing the idea of interdependence. Avoid over-simplifying the water cycle; instead, use local examples to make it relevant. Research shows that students retain concepts better when they connect them to their own communities and lived experiences.

Successful learning looks like students confidently explaining how water flows through a watershed and identifying how human activities influence water quality. Students should also be able to articulate why everyone is connected to a larger watershed system, not just their immediate environment.

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Watch Out for These Misconceptions

• During the 'Crumpled Paper Watershed' activity, watch for students who assume pollution only comes from large, visible sources like factories.

  Use the crumpled paper model to drop small amounts of colored powder (representing fertilizer, oil, or soap) in multiple locations. Ask students to observe how these small contributions accumulate into a larger problem downstream.

• During the 'Crumpled Paper Watershed' activity, watch for students who define a watershed as only the water itself, like rivers or lakes.

  Have students trace the path of water on their crumpled paper model with their fingers, emphasizing that the watershed includes all the land that directs water to a single point, like their own backyard.

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Methods used in this brief

• Inquiry Circle
• Stations Rotation
• Think-Pair-Share