AQA GCSE Geography Paper 3, June 2025: Question 3

9 marks · Hard difficulty · Extended Response

Evaluate whether the social and economic benefits of the Morecambe Bay and Duddon Estuary tidal gateway project outweigh its environmental costs, using evidence from the pre-release resources booklet.

Practise this question

Question

Exam question 03 from AQA GCSE Geography Paper 3. The prompt reads: 'Study Figure 3 in the resources booklet, "The Morecambe Bay and Duddon Estuary tidal gateway project". The social and economic benefits of the Morecambe Bay and Duddon Estuary tidal gateway project are greater than the environmental costs. To what extent do you agree? Use evidence from the resources booklet and your own understanding. [9 marks] [+3 SPaG marks]'. Below the prompt are lined spaces for the student's extended answer, followed by extra lined space.
Question text

Study Figure 3 in the resources booklet, ‘The Morecambe Bay and Duddon Estuary

tidal gateway project’.

03 The social and economic benefits of the Morecambe Bay and Duddon Estuary tidal

gateway project are greater than the environmental costs.

To what extent do you agree?

Use evidence from the resources booklet and your own understanding.

[9 marks]

[+3 SPaG marks]

Extra space … 9

(08) …

End of Section A

Mark scheme

Show the mark scheme Mark scheme for question 03 detailing a 3-level assessment rubric for 9 marks plus criteria for 3 SPaG marks. Level 3 (7-9 marks) requires thorough application of knowledge, carefully considered evaluative observations supported by evidence, and sound understanding of complexity. Indicative content points include economic costs versus benefits (such as renewable energy generation, job creation, regeneration of Barrow-in-Furness, traffic reduction) contrasted with environmental concerns (loss of rare salt marsh and mud flats, disruption to bird habitats and marine ecosystems).

03 The social and economic benefits of the Morecambe Bay and Duddon 9

Estuary tidal gateway project are greater than the environmental costs. + 3

SPaG

To what extent do you agree?

Use evidence from the resources booklet and your own understanding.

Level Marks Description

3 7–9 AO3 – Demonstrates thorough application of

(Detailed) knowledge and understanding in relation to the

question and offers carefully considered evaluative

observations which are supported by evidence from

the resources.

AO3 – Identifies and develops a wide range of points

from the resources which shows a sound

understanding of the complexity of the question.

AO4 – Communicates ideas with clarity and good

use of geographical terminology

2 4–6 AO3 – Demonstrates reasonable knowledge and

(Clear) understanding in consideration of the question and

offers some evaluative judgement.

AO3 – Uses a range of evidence from the resources

with a clear attempt to develop or link evidenced

points.

AO4 – Communicates ideas effectively with some

use of geographical terminology

1 1–3 AO3 – Basic application of knowledge and

(Basic) understanding in considering the question and

limited attempt to offer evaluative judgement.

AO3 – A narrow range of evidence from the

resources which is largely copied.

AO4 – Communicates ideas using basic language

with limited geographical terminology

0 No relevant content.

• Level 3 (detailed) – Demonstrates thorough application of knowledge and

understanding in relation to the question and offers carefully considered

evaluative observations which are supported by evidence from the

resources. Identifies and develops a wide range of points from the

resources which consider both social and economic benefits and

environmental costs and shows a sound understanding of the complexity of

the question. Communicates ideas with clarity and good use of geographical

terminology.

• Level 2 (clear) – Demonstrates reasonable knowledge and understanding in

consideration of the question and offers some evaluative judgement. Uses a

range of evidence from the resources which consider both social and––/or–

economic benefits and environmental costs and clearly attempts to develop

or link evidenced points. Communicates ideas effectively with some use of

geographical terminology. Answers need not be balanced, but there should

be some reference to both environmental and social/economic elements.

• Level 1 (basic) – Basic application of knowledge and understanding in

considering the question and limited attempt to offer evaluative judgement.

Identifies a narrow range of points from the resources which are largely

copied with little or no development. Communicates ideas using basic

language with limited geographical terminology.

Indicative content

• The development is expensive (estimate £8 plus billion).

• As an energy development it would be seen as potentially economically

unviable.

• As a multi-use project it is more economically viable.

• It will produce sustainable energy and add to the UK’s energy security.

• It will provide the opportunity for the development of high-tech training and

employment opportunities.

• The area around Barrow-in-Furness is a deprived area and the development

may help to regenerate the area.

• It may encourage movement away from Barrow-in-Furness which will create

a negative multiplier effect.

• It will create a positive multiplier effect with the opening of new business

opportunities.

• It will ease traffic congestion issues, especially during the summer months.

• The barrier will protect against rising sea levels.

• It might attract increasing numbers of visitors, causing congestion and

impacting local residents.

• The scale of the project is too large for the area.

• There is an argument that suggests that it may be a “National good” but a

“Local cost”.

• The environment is seen as especially valuable (rare salt marsh and mud

flats).

• There are a number of nature reserves in the area that might be affected.

• The tidal regime behind the barrage will be changed.

• Sediment movement patterns may change, affecting marine life.

• The development will disturb the marine environment.

• The development might affect migrating birds.

• The area has special environmental significance and has environmentally

protected areas.

• It is an area which attracts a lot of visitors, the tourist industry might be

negatively affected.

• There will be significant social and economic disturbance during the building

phase.

• It will take a long time to complete.

• It may be seen as an example which could be used elsewhere.

– – –

AO3 – 6 marks

AO4 – 3 marks

Spelling, punctuation and grammar (SPaG)

Responses with SPaG marks that gain a mark of 0 for the content/skills of

the question can still be awarded SPaG marks if the response is judged

to be a genuine attempt to answer the question.

14 High performance 3

• Learners spell and punctuate with consistent accuracy.

• Learners use rules of grammar with effective control of meaning overall.

• Learners use a wide range of specialist terms as appropriate.

Intermediate performance 2

• Learners spell and punctuate with considerable accuracy.

• Learners use rules of grammar with general control of meaning overall.

• Learners use a good range of specialist terms as appropriate.

Threshold performance 1

• Learners spell and punctuate with reasonable accuracy.

• Learners use rules of grammar with some control of meaning and any errors

do not significantly hinder meaning overall.

• Learners use a limited range of specialist terms as appropriate.

No marks awarded 0

• The learner writes nothing.

• The learner’s response does not relate to the question.

• The learner’s achievement in SPaG does not reach the threshold

performance level, for example errors in spelling, punctuation and grammar

severely hinder meaning.

How to answer it

Evaluating the Morecambe Bay & Duddon Estuary Tidal Gateway

Paper 3 Issue Evaluation (Section A)

What this question tests

  • AO3 (6 marks): Application of knowledge and understanding to evaluate whether socio-economic benefits outweigh environmental impacts; making reasoned judgements supported by resource evidence.
  • AO4 (3 marks): Selecting, interpreting, and synthesising information from Figure 3 and communicating ideas clearly with specialist geographical vocabulary.
  • SPaG (3 marks): Accurate spelling, punctuation, grammar, and sentence structure using precise terminology.
Question 03

9-Mark Decision-Making Essay (+3 SPaG Marks)

"The social and economic benefits of the Morecambe Bay and Duddon Estuary tidal gateway project are greater than the environmental costs. To what extent do you agree?"

Total: 9 Content Marks + 3 SPaG Marks | Level 3: 7–9 marks | Level 2: 4–6 marks | Level 1: 1–3 marks

💡 Key Knowledge: The Two Sides of the Debate

Socio-Economic Benefits:

  • Clean Energy: Predictable, renewable tidal power improves national energy security and reduces fossil fuel reliance.
  • Transport Link: Road bridge across the barrage cuts journey times, eases congestion (especially during tourist peaks), and ends isolation for Barrow-in-Furness.
  • Regeneration & Jobs: Construction and high-tech engineering training provide a positive economic multiplier in a deprived area.
  • Coastal Protection: Barrage acts as a sea defence against storm surges and sea-level rise.

Environmental Costs:

  • Ecosystem Loss: Permanent alteration of the intertidal regime, drowning sensitive mudflats and rare salt marshes.
  • Wildlife Disruption: Threatens feeding and roosting grounds for internationally significant wading birds and waterfowl; blocks fish migration.
  • Sedimentation Changes: Alters natural tidal scour and sediment movement across the estuary.

🧠 Exam Technique: PEEL & "Weighing the Scale"

  • Directly answer the prompt: State your stance in your opening sentence (e.g. "I agree to a moderate extent...").
  • Balanced coverage: Cover both socio-economic benefits and environmental costs before reaching your verdict. Level 3 requires consideration of both.
  • Use the "National vs Local" conflict: A top-tier geographical concept is highlighting that this scheme creates a "national benefit" (renewable energy security) at a "local cost" (loss of local ecology and £8+ billion construction impact).
  • Form a nuanced conclusion: Do not just repeat previous points. Explain why one factor outweighs the other (e.g., irreversible ecosystem loss vs long-term carbon reduction).

📐 4-Paragraph Essay Plan for Full Marks

Paragraph Geographical Focus Key Evidence from Figure 3 & Your Knowledge
1. Introduction & Economic Case Energy security & local regeneration Multi-use scheme (£8bn+), produces renewable energy, creates skilled engineering jobs in Barrow-in-Furness, and triggers a positive multiplier effect.
2. Social & Infrastructure Benefits Transport & flood mitigation Cuts travel times across Morecambe Bay, reduces summer holiday bottlenecks, and acts as a coastal defence against sea-level rise.
3. Environmental Costs & Drawbacks Habitat loss & hydrological changes Destroys rare salt marshes and feeding mudflats for migratory birds; alters sediment transport; disrupts marine ecosystems; high capital cost.
4. Evaluative Conclusion Final reasoned judgement Weighing short-term local ecological devastation against long-term climate benefits. Decide if mitigation (e.g., compensatory habitats) makes benefits outweigh costs.

✅ Model Level 3 Response (9/9 + 3 SPaG)

I agree to a large extent that the socio-economic benefits outweigh the environmental costs, because the long-term national benefits of renewable energy security and regional regeneration outweigh localised ecological disruption.

Economically, the multi-purpose tidal gateway provides substantial advantages. Although the capital cost is vast (estimated at over £8 billion), it delivers dual value as both a power plant and a transport corridor. The barrage harnesses predictable tidal energy, adding clean power to the national grid and helping the UK meet net-zero carbon targets. Locally, Barrow-in-Furness suffers from socio-economic deprivation and poor connectivity. Constructing this gateway would generate skilled employment, provide high-tech green energy apprenticeships, and stimulate a positive multiplier effect as supply chain businesses invest in the region.

Socially, the road link across the bay significantly cuts travel times, easing traffic congestion that frequently paralyses local roads during summer tourist peaks. Furthermore, the barrage structure provides crucial coastal defence, protecting low-lying coastal communities from tidal surges and projected sea-level rise caused by climate change.

However, the environmental costs are undeniably severe. Morecambe Bay and the Duddon Estuary are environmentally protected sites featuring rare salt marshes and intertidal mudflats. The barrage will permanently modify the tidal regime, drowning vital feeding grounds for thousands of migratory wading birds. Altering sediment movement could also disrupt marine habitats and negatively affect local fisheries.

In conclusion, while the local environmental degradation is significant and irreversible, the socio-economic benefits are greater. The project addresses urgent national challenges—such as decarbonising energy generation and mitigating global climate change—while revitalising an economically isolated region. Provided that strict environmental mitigation and compensatory wetlands are established elsewhere, the overall benefits outweigh the costs.

❌ Common Errors That Cost Marks

  • One-sided argument: Only writing about the green energy benefits and ignoring the devastating impact on mudflats and wading bird habitats (caps the response at Level 2).
  • Direct copying from the booklet: Lifting whole sentences from Figure 3 without adding geographical reasoning or explaining their significance.
  • Forgetting the "To what extent" command: Merely describing the barrage without offering an evaluative stance or weighing the trade-offs.
  • Ignoring SPaG: Rushing the answer, using informal language, or misspelling key geographical terms like infrastructure , intertidal , estuary , or multiplier effect .

🔍 Examiner Commentary: What Separates Level 2 from Level 3?

  • Level 2 (4–6 marks): Tends to list separate "pros" and "cons" without linking them. The conclusion simply repeats points: "Overall there are good points and bad points."
  • Level 3 (7–9 marks): Recognises complexity and conflict. Top answers contrast the national scale (energy security, climate targets) with the local scale (loss of local nature reserves, noise/congestion during construction). They explicitly assess whether economic viability (£8bn+ cost) is justified by multi-purpose benefits.

Topics

3.3 Geographical applications · 3.4 Geographical skills · 3.3.1 Section A: Issue evaluation · 3.4.6 Formulate enquiry and argument · 3.4.7 Literacy

Question and mark scheme from the AQA GCSE Geography examination, Paper 3, June 2025. QuestionVault is an independent revision resource; questions remain the copyright of the awarding body.