Changing Coastal Environments

Worked examples (6)

• 1How waves form and what controls their size
• 2Constructive vs destructive waves
• 3The four marine erosion processes
• 4Longshore drift along a coast
• 5Assessing how the sea transports its sediment
• 6Why and where deposition occurs (extended response)

Model answers (6)

• ✓Model answer — 0460 Paper 1 — style
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Worked examples (6)

• 1Identify the four marine erosion processes (2 marks)
• 2Formation of headlands and bays (6 marks)
• 3Cliff and wave-cut platform (6 marks)
• 4Cave–arch–stack–stump sequence (8 marks)
• 5Linking each process to the landform it shapes (7 marks)
• 6Assess the role of rock type using a named example (7 marks)

Model answers (6)

• ✓Model answer — 0460 Paper 1 — style
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Worked examples (6)

• 1Identify a depositional landform
• 2Sandy beach vs shingle beach
• 3Formation of a beach
• 4Bars and tombolos
• 5Formation of a recurved spit
• 6Assess the controls on coastal deposition

Model answers (6)

• ✓Model answer — 0460 Paper 1 — style
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• ✓Model answer — 0460 Paper 1 — extended response style

Worked examples (6)

• 1Discordant vs concordant coastlines (4 marks)
• 2Conditions needed for coral reef formation (6 marks)
• 3Where mangroves form and their importance (6 marks)
• 4Why headlands and bays form along a discordant coast (4 marks)
• 5Threats to coral reefs (6 marks)
• 6Strategies to protect coastal ecosystems (6 marks)

Model answers (6)

• ✓Model answer — 0460 Paper 1 — style
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• ✓Model answer — 0460 Paper 1 — style (extended response)

Worked examples (6)

• 1State one opportunity of living near the coast
• 2State one hazard of living near the coast
• 3Why half the world lives near coasts
• 4Describe four opportunities provided by coasts
• 5Named example: how a coast supports the economy
• 6Extended response: do hazards outweigh opportunities?

Model answers (6)

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Worked examples (6)

• 1Hard vs soft engineering — naming strategies (2 marks)
• 2How a groyne works (3 marks)
• 3Advantages and disadvantages of a sea wall (4 marks)
• 4Managed retreat as a soft strategy (4 marks)
• 5How hard engineering protects a coastline (6 marks)
• 6Extended response — assessing management strategies (7 marks)

Model answers (6)

• ✓Model answer — 0460 Paper 1 — style
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Worked examples (6)

• 1Conditions for tropical storm formation
• 2Define storm surge and the eye
• 3Describe the global distribution of tropical storms
• 4Primary vs secondary impacts
• 5Explain the impacts of a named tropical storm
• 6Assess strategies to reduce tropical-storm impacts

Model answers (6)

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Worked examples (6)

• 1Match weather instruments to what they measure
• 2Read and record rainfall from a rain gauge
• 3Measure humidity with a wet- and dry-bulb thermometer
• 4Record daily temperature range with a maximum-minimum thermometer
• 5Explain reliable siting of a rain gauge
• 6Explain how a Stevenson screen helps record accurate temperature data

Model answers (6)

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Worked examples (6)

• 1Cloud cover in oktas
• 2Identify cloud types and the weather they indicate
• 3Read a weather station model
• 4Calculate temperature range and mean from a table
• 5Describe the trend shown by a temperature graph
• 6Relationship between cloud cover and temperature

Model answers (6)

• ✓Model answer — 0460 Paper 1 — style
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• ✓Model answer — 0460 Paper 4 — style
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