Environmental Science · Year 12 · Energy Resources · 3.º Período

Non-renewable Energy

Investigate the extraction, processing, and use of fossil fuels and nuclear power. Evaluate the environmental and economic costs associated with these resources.

TL;DR:Non-renewable Energy focuses on the extraction, processing, and environmental impacts of fossil fuels and nuclear power. Students examine the geological formation of coal, oil, and gas, and the technological challenges of nuclear fission. The unit emphasizes the 'hidden costs' of these resources, including carbon emissions, habitat destruction from mining, and the long-term management of radioactive waste, aligning with AQA 3.3.2.

• National Curriculum Attainment Targets
• AQA 3.3.2.1 Fossil fuels
• AQA 3.3.2.2 Nuclear power

About This Topic

Non-renewable Energy focuses on the extraction, processing, and environmental impacts of fossil fuels and nuclear power. Students examine the geological formation of coal, oil, and gas, and the technological challenges of nuclear fission. The unit emphasizes the 'hidden costs' of these resources, including carbon emissions, habitat destruction from mining, and the long-term management of radioactive waste, aligning with AQA 3.3.2.

In the context of the UK's transition away from coal and the ongoing debate over new nuclear plants like Hinkley Point C, this topic is highly topical. Students must evaluate the role of these high-energy-density sources in providing 'baseload' power while considering their significant environmental drawbacks. This topic comes alive when students can physically model the patterns of resource depletion and waste management through collaborative simulations.

Key Questions

1. What are the environmental impacts of coal extraction?
2. How does nuclear fission generate electricity?
3. What are the challenges of radioactive waste disposal?

Watch Out for These Misconceptions

Common Misconception

Nuclear power plants can explode like atomic bombs.

What to Teach Instead

Students often confuse a nuclear meltdown with a nuclear explosion. A peer-teaching activity on the physics of nuclear reactors (focusing on fuel enrichment levels and control rods) helps clarify that a Hiroshima-style explosion is physically impossible in a power plant.

Common Misconception

Natural gas is a 'clean' fuel.

What to Teach Instead

While gas produces less CO2 than coal when burned, it is still a fossil fuel and methane leaks during extraction (fracking) are a major climate concern. Using a 'life-cycle analysis' comparison helps students see the full environmental footprint of gas versus other energy sources.

Active Learning Ideas

Simulation Game

The Nuclear Waste Dilemma

Students are given different types of radioactive waste (represented by cards with varying 'half-lives' and 'toxicity' levels). They must work in groups to design a long-term storage facility, considering geological stability, security, and public perception, then present their plan to a 'local council'.

50 min·Small Groups

Gallery Walk

The Impacts of Fossil Fuel Extraction

Stations feature different extraction methods: fracking for gas, deep-sea oil drilling, and mountaintop removal for coal. Students rotate and record the specific environmental risks of each, such as groundwater contamination, oil spills, and biodiversity loss.

40 min·Small Groups

Think-Pair-Share

The Future of Nuclear Power

Students read two short perspectives: one arguing that nuclear is essential for a low-carbon future and another highlighting the risks of accidents and waste. They discuss in pairs which argument they find more compelling and why, then share with the class.

25 min·Pairs

Frequently Asked Questions

What are the main environmental impacts of fracking?

Fracking, or hydraulic fracturing, involves injecting high-pressure fluid into rock to release gas. Key concerns include the potential for groundwater contamination from fracking chemicals, the large volumes of water required, the risk of minor earthquakes (induced seismicity), and the release of methane, a potent greenhouse gas, into the atmosphere.

How does a nuclear power plant generate electricity?

Nuclear plants use nuclear fission, splitting the nuclei of uranium atoms, to release a vast amount of heat. This heat is used to boil water, creating steam that turns a turbine connected to a generator. Unlike fossil fuel plants, this process does not produce CO2 during operation, but it does create radioactive waste.

What is 'carbon capture and storage' (CCS)?

CCS is a technology that attempts to capture CO2 emissions from fossil fuel power plants or industrial processes before they enter the atmosphere. The captured CO2 is then transported and stored underground, usually in depleted oil and gas fields or deep saline aquifers. It is seen as a potential way to reduce the impact of remaining fossil fuel use.

What are the best hands-on strategies for teaching non-renewable energy?

Using role-play to simulate a public inquiry into a new nuclear plant or fracking site helps students understand the complex interplay of economic, environmental, and social factors. Collaborative life-cycle analysis of different fuels allows students to compare the 'cradle-to-grave' impacts of energy sources, moving beyond simple 'good vs bad' labels to a more nuanced, evidence-based understanding.