Renewable and Non-Renewable Energy Sources

Active learning works for this topic because students must move beyond abstract definitions to compare real-world systems. By sorting, building, and debating energy sources, students anchor their understanding in concrete examples rather than memorized facts. Hands-on tasks reveal the trade-offs between renewables and non-renewables in ways that lectures alone cannot.

• Primary 5
• Science
• 4 activities
• 30 min–50 min

Learning Objectives

1. Classify given energy sources as either renewable or non-renewable, providing at least two examples for each category.
2. Analyze the environmental advantages and disadvantages of at least three different energy sources, citing specific impacts like greenhouse gas emissions or land use.
3. Compare the sustainability of renewable versus non-renewable energy sources by evaluating their long-term availability and environmental footprint.
4. Justify the importance of transitioning to renewable energy sources for Singapore, considering factors like energy security and environmental protection.

Formal Debate

⏱ 30 min·Small Groups

Card Sort: Energy Sources Classification

Provide cards listing energy sources, renewal status, and impacts. In small groups, students sort cards into renewable and non-renewable piles, then justify placements with evidence from descriptions. Groups share one example with the class.

Prepare & details

Differentiate between renewable and non-renewable energy sources with examples.

Facilitation Tip: During the Card Sort, circulate with open-ended questions like 'What evidence made you place this source here?' to push students beyond surface-level labels.

Setup: Two teams facing each other, audience seating for the rest

Materials: Debate proposition card, Research brief for each side, Judging rubric for audience, Timer

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

Formal Debate

⏱ 45 min·Pairs

Model Build: Wind Turbine Challenge

Pairs construct simple pinwheels from paper and pins to model wind energy. Test in fans, measure spin rates, and compare to a 'coal model' using battery fans. Discuss reliability and renewability.

Prepare & details

Analyze the environmental advantages and disadvantages of various energy sources.

Facilitation Tip: When building wind turbines, remind students to test one variable at a time (e.g., blade angle) and record results in a shared data table.

Setup: Two teams facing each other, audience seating for the rest

Materials: Debate proposition card, Research brief for each side, Judging rubric for audience, Timer

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

Formal Debate

⏱ 40 min·Small Groups

Pros-Cons Debate: Energy Debate Stations

Set up stations for solar, coal, etc. Small groups rotate, noting advantages and disadvantages on charts. Conclude with whole-class vote on best source for Singapore.

Prepare & details

Justify the shift towards greater reliance on renewable energy sources.

Facilitation Tip: For the Pros-Cons Debate, assign roles explicitly and provide sentence starters like 'One advantage of geothermal is...' to support struggling students.

Setup: Two teams facing each other, audience seating for the rest

Materials: Debate proposition card, Research brief for each side, Judging rubric for audience, Timer

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

Formal Debate

⏱ 50 min·Small Groups

School Energy Audit Walk

Small groups walk school grounds, identify energy sources like lights and AC, classify them, and suggest renewable swaps. Compile findings into a class report.

Prepare & details

Differentiate between renewable and non-renewable energy sources with examples.

Facilitation Tip: On the School Energy Audit Walk, give students clipboards with a simple checklist to focus their observations and avoid overwhelming them with too many details.

Setup: Two teams facing each other, audience seating for the rest

Materials: Debate proposition card, Research brief for each side, Judging rubric for audience, Timer

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

Teaching This Topic

Experienced teachers approach this topic by starting with students' prior knowledge through quick writes or brainstorms about where energy comes from. Avoid overwhelming students with too much content upfront; instead, let them discover patterns through activities like the Card Sort. Research shows that students retain concepts better when they experience the limitations of renewables firsthand, such as testing a solar oven in different light conditions or measuring energy output from a small wind turbine model.

What to Expect

Successful learning looks like students confidently classifying energy sources, explaining their choices with evidence, and weighing environmental impacts through structured discussion. They should connect classroom activities to real-world systems, such as recognizing why solar panels might not work at night or why wind farms need backup power. Misconceptions should shift toward nuanced, evidence-based reasoning.

Watch Out for These Misconceptions

Common Misconception

During the Model Build: Wind Turbine Challenge, watch for students assuming wind turbines work equally well in all conditions.

What to Teach Instead

Use the turbine models to test blade design and wind speed; have students graph output under different conditions and discuss why turbines need storage or backup power.

Common Misconception

During the Card Sort: Energy Sources Classification, watch for students labeling all renewables as 'always available' or 'cheap'.

What to Teach Instead

Ask students to sort cards twice: first by availability, then by cost. During the debrief, highlight that biomass depends on crop cycles and solar requires sunlight, challenging their assumptions.

Common Misconception

During the Pros-Cons Debate: Energy Debate Stations, watch for students claiming all renewables are cheaper than fossil fuels without evidence.

What to Teach Instead

Provide cost-benefit charts during the debate and ask students to reference data when comparing initial setup costs versus long-term savings for each energy type.

Assessment Ideas

Quick Check

After the Card Sort: Energy Sources Classification, collect students’ sorted cards and written explanations for two choices to assess their reasoning about renewable vs. non-renewable sources.

Discussion Prompt

During the Pros-Cons Debate: Energy Debate Stations, listen for students connecting their arguments to specific renewable technologies (e.g., tidal power for Singapore) and environmental trade-offs, noting how they address challenges like intermittency.

Exit Ticket

After the School Energy Audit Walk, ask students to write one renewable energy source they observed or considered for the school and one non-renewable source they identified, explaining one environmental benefit of the renewable and one harm of the non-renewable.

Extensions & Scaffolding

• Challenge: Ask students to research a country’s energy mix and present a 2-minute pitch for shifting to renewables, using data from the School Energy Audit or debates.
• Scaffolding: Provide a partially completed Venn diagram with some energy sources placed in the wrong categories to help students correct errors.
• Deeper exploration: Have students design a hybrid energy system for their school using cost-benefit charts from the debate activity, including trade-offs and solutions for intermittency.

Key Vocabulary

Renewable Energy	Energy from sources that are naturally replenished on a human timescale, such as solar, wind, and hydropower.
Non-Renewable Energy	Energy from sources that exist in finite quantities and are consumed much faster than they are formed, like coal, oil, and natural gas.
Fossil Fuels	A category of non-renewable energy sources formed from the remains of ancient organisms, including coal, petroleum, and natural gas.
Greenhouse Gases	Gases in the atmosphere, such as carbon dioxide, that trap heat and contribute to global warming; often released by burning fossil fuels.
Sustainability	Meeting the needs of the present without compromising the ability of future generations to meet their own needs, particularly regarding resource use and environmental impact.