Science · Grade 3

Active learning ideas

Natural Resources and Conservation

Active learning makes abstract concepts concrete for Grade 3 students by letting them touch, move, and discuss real materials. When children physically sort resources or act out conservation roles, they connect textbook ideas to their daily lives in Ontario classrooms and communities. This hands-on work builds lasting understanding of where resources come from and how their choices matter.

• Ontario Curriculum Expectations
• 3-ESS3-1

• 25–45 min
• Pairs → Whole Class
• 4 activities

Activity 01

• Morning Circle
• 35 min · Small Groups

Sorting Stations: Renewable or Non-Renewable

Set up stations with cards showing resources like trees, oil, solar power, and gravel. Small groups sort cards into renewable and non-renewable piles, discuss reasons using simple definitions, and record one fact per resource. Rotate stations and share findings.

Differentiate between renewable and non-renewable natural resources.

Facilitation Tip

During Sorting Stations, circulate with a timer and ask each group to explain their placement of one card before moving on.

What to look for

Provide students with a list of 10 natural resources (e.g., sunlight, coal, fish, iron ore, wind, oil, forests, water, natural gas, soil). Ask them to sort these into two columns: 'Renewable' and 'Non-Renewable', and to write one sentence explaining their choice for three of the items.

• Remember
• Understand
• Self-Awareness
• Social Awareness
• Relationship Skills

Activity 02

• Morning Circle
• 45 min · Whole Class

Classroom Waste Audit

Collect one day's classroom trash. Whole class sorts items into bins for recycle, reuse, compost, and landfill. Calculate percentages on a chart, then brainstorm class rules to cut waste by 20 percent next week.

Explain why it is important to conserve natural resources.

Facilitation Tip

For the Classroom Waste Audit, assign clear roles to students so they feel ownership of the data collection and sorting process.

What to look for

Pose the question: 'Imagine our school ran out of paper tomorrow. What problems would this cause, and what are three things we could do to prevent this from happening in the future?' Facilitate a class discussion, guiding students to connect their ideas to reduce, reuse, and recycle concepts.

• Remember
• Understand
• Self-Awareness
• Social Awareness
• Relationship Skills

Activity 03

• Morning Circle
• 25 min · Individual

Personal Action Plan

Students list three resources they use at home or school. Individually, they draw or write a reduce-reuse-recycle plan, such as reusing jars or recycling paper. Pairs share plans and pick one class goal.

Design a plan to reduce, reuse, and recycle resources in their daily lives.

Facilitation Tip

In the Personal Action Plan, provide sentence starters on the board to scaffold written commitments and oral sharing.

What to look for

Ask students to write down one natural resource they used today (e.g., electricity, water, food from soil). Then, have them write one action they can take to conserve that resource and explain why it is important for the future.

• Remember
• Understand
• Self-Awareness
• Social Awareness
• Relationship Skills

Activity 04

• Morning Circle
• 40 min · Small Groups

Role-Play: Resource Users

Assign roles like farmer, miner, and conservation officer. Small groups prepare short skits showing sustainable vs wasteful practices. Perform for class and vote on best conservation idea.

Differentiate between renewable and non-renewable natural resources.

Facilitation Tip

During the Role-Play: Resource Users, give each student a character card with a specific perspective to keep discussions focused and equitable.

What to look for

Provide students with a list of 10 natural resources (e.g., sunlight, coal, fish, iron ore, wind, oil, forests, water, natural gas, soil). Ask them to sort these into two columns: 'Renewable' and 'Non-Renewable', and to write one sentence explaining their choice for three of the items.

• Remember
• Understand
• Self-Awareness
• Social Awareness
• Relationship Skills

A few notes on teaching this unit

Start with local examples students know, like water from Lake Ontario or paper from northern forests, to build relevance. Avoid overwhelming them with global statistics; instead, use their own classroom as a microcosm for conservation questions. Research shows that when students see immediate consequences of resource use in their space, they transfer those concepts to broader contexts. Keep explanations tied to the three R’s—reduce, reuse, recycle—so they have a simple framework for daily decisions.

By the end of these activities, students will confidently classify local resources as renewable or non-renewable, explain why some are limited, and commit to at least one personal conservation action. They will use evidence from the waste audit and role-play to support their thinking during class discussions.

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Watch Out for These Misconceptions

• During Sorting Stations: Renewable or Non-Renewable, watch for students who place all plant-based items like trees and water in the renewable column without considering overuse rates.

  Use the sorting cards with images and timelines on the back to prompt students to compare replenishment rates. Ask, 'How long does it take for a forest to grow back after cutting?' to guide them toward understanding depletion risks.

• During Classroom Waste Audit, watch for students who believe recycling turns trash into new products instantly without limits.

  Have students weigh the non-recyclable portion of the audit and compare it to the recyclable portion. Ask, 'If our class produced this much trash in one day, how much would our school produce in a month?' to highlight the need for reduction first.

• During Role-Play: Resource Users, watch for students who assume conservation is only for adults or officials.

  After the role-play, ask students to share moments when their character made a choice that conserved a resource. Then, ask, 'What could a student do in this situation?' to shift focus to personal agency and collective impact.

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Methods used in this brief

• Morning Circle