Science · Grade 3 · Earth's Landforms and Changes · Term 3

Natural Resources and Conservation

Students will identify common natural resources and discuss the importance of conserving them for future generations.

• Ontario Curriculum Expectations
• 3-ESS3-1

About This Topic

Natural resources are materials from Earth that people use every day, including water from Ontario's Great Lakes, trees from boreal forests, soil for farming, and minerals like nickel from the north. Grade 3 students classify these as renewable, such as wind and plants that replenish over short periods, or non-renewable, like fossil fuels and metals that form over geological time. Local examples connect concepts to students' lives and the unit on Earth's landforms, where resources originate from rocks, soils, and water systems.

Conservation protects these resources for future generations through reduce, reuse, and recycle practices. Students learn that overuse leads to shortages and environmental changes, such as deforestation altering landscapes. They design personal plans to apply these ideas, building skills in problem-solving and citizenship.

Active learning excels with this topic. Sorting resource cards, auditing classroom waste, and role-playing sustainable choices make abstract ideas concrete. Students collaborate to analyze data and debate solutions, which deepens understanding, sparks motivation, and turns knowledge into habits.

Key Questions

1. Differentiate between renewable and non-renewable natural resources.
2. Explain why it is important to conserve natural resources.
3. Design a plan to reduce, reuse, and recycle resources in their daily lives.

Learning Objectives

• Classify common natural resources found in Ontario as either renewable or non-renewable.
• Explain the ecological and economic reasons for conserving natural resources for future generations.
• Design a personal or classroom plan to reduce, reuse, and recycle specific materials.
• Compare the environmental impact of using renewable versus non-renewable resources.
• Evaluate the effectiveness of different conservation strategies for a chosen natural resource.

Before You Start

Materials and Their Properties

Why: Students need to understand that different materials exist and have distinct characteristics to classify them as resources.

Basic Needs of Living Things

Why: Understanding that plants and animals need resources like water and soil helps students grasp why these are valuable and need protection.

Key Vocabulary

Natural Resource	Materials found in nature that people use, such as water, trees, soil, and minerals.
Renewable Resource	A natural resource that can be replenished naturally over a short period, like solar energy, wind, or trees.
Non-Renewable Resource	A natural resource that exists in finite amounts and takes millions of years to form, such as fossil fuels or metals.
Conservation	The protection and careful management of natural resources to prevent them from being wasted or destroyed.
Reduce, Reuse, Recycle	A conservation strategy that involves using less of something, using items again, and processing used materials into new products.

Watch Out for These Misconceptions

Common Misconception

All resources like trees and water are renewable and unlimited.

What to Teach Instead

Renewable resources replenish but can be depleted if overused; non-renewable are finite. Sorting cards with timers helps students grasp timescales, while group discussions reveal overuse examples like clear-cutting.

Common Misconception

Recycling creates brand new resources from scratch.

What to Teach Instead

Recycling reuses materials but needs energy and degrades quality over time. Waste audits show real limits, as students sort and track, leading to talks on why reduce is primary.

Common Misconception

Conservation only involves adults or government.

What to Teach Instead

Everyone conserves through daily choices. Role-plays let students act as decision-makers, shifting views via peer arguments and collective class commitments.

Active Learning Ideas

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.

35 min·Small Groups

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.

45 min·Whole Class

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.

25 min·Individual

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.

40 min·Small Groups

Real-World Connections

• Forestry workers in Northern Ontario manage timber harvests, ensuring that trees are replanted to maintain a sustainable supply of wood for paper and construction materials.
• Hydroelectric power plants, like those on the Niagara River, utilize the renewable resource of moving water to generate electricity for millions of homes and businesses across the province.
• Mining companies extract minerals such as nickel and copper from the Canadian Shield, which are essential for manufacturing electronics and vehicles, but these are non-renewable resources.

Assessment Ideas

Quick Check

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.

Discussion Prompt

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.

Exit Ticket

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.

Frequently Asked Questions

What are examples of renewable and non-renewable resources in Ontario?

Renewable: forests (trees regrow), water (Great Lakes cycle), wind and solar (endless). Non-renewable: fossil fuels (oil sands), minerals (Sudbury nickel). Use photos from local areas. Hands-on sorting with cards builds classification skills, while maps link to landforms, helping students see Ontario's resource wealth and needs. (62 words)

How can grade 3 students learn to conserve natural resources?

Teach reduce (use less paper), reuse (repurpose containers), recycle (sort plastics). Connect to daily life with school examples. Action plans where students track one week's habits and improve foster ownership. Local field trips to recycling centers reinforce steps, making lessons relevant and actionable for young learners. (64 words)

How does active learning help teach natural resources and conservation?

Active methods like waste audits and resource sorts engage senses and collaboration, making concepts tangible. Students analyze real data, debate solutions in role-plays, and create plans, which corrects misconceptions and builds systems thinking. These beat lectures by promoting retention through doing, discussion, and personal connection, leading to behavioral change. (70 words)

Why is conserving resources important for future generations?

Finite non-renewable resources like oil run out; overuse harms landforms and wildlife. Conservation ensures clean water, air, and materials for kids' kids. Students grasp this via timelines showing depletion vs renewal, and projects planning school gardens. Ties to Ontario's environment, inspiring responsibility now. (58 words)