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Year 7

Protecting the UK's coastline

I can describe how different methods of hard and soft engineering protect the UK's coastline from erosion.

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New
New
Year 7

Protecting the UK's coastline

I can describe how different methods of hard and soft engineering protect the UK's coastline from erosion.

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Lesson details

Key learning points

  1. Hard engineering is the building of fixed structures to slow down the waves and the rate of erosion.
  2. Soft engineering is working with nature to reduce the risk of flooding and erosion.
  3. Examples of hard engineering include groynes, sea walls and gabions.
  4. Examples of soft engineering include beach replenishment and dune stabilisation.

Keywords

  • Erosion - the process of Earth’s surface, e.g. rock or soil, being worn away and transported from its original site

  • Cliff - a tall, vertical rock face

  • Wave - waves are the movements of energy across water

  • Beach - an area of land between low and storm tide marks made up of materials like sand, mud and stones

Common misconception

Students may think that coastal defences stop erosion entirely.

Coastal defences aim to protect the coastline from erosion, and can greatly reduce erosion but they can't stop it completely. Defences don't last forever, so eventually the power of the sea will regain strength in areas previously protected.


To help you plan your year 7 geography lesson on: Protecting the UK's coastline, download all teaching resources for free and adapt to suit your pupils' needs...

You can demonstrate some coastal defences using small models and water. Take a thick piece of card representing a cliff, and another representing a sea wall. Stand them parallel in a watertight container and throw water at the sea wall. Which piece of card gets wettest and deteriorates quickest?
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Lesson video

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6 Questions

Q1.
The __________ is the boundary between the land and the sea or ocean.
Correct answer: coastline
headland
surf
Q2.
is the process of Earth’s surface, e.g. rock or soil, being worn away and transported from its original site.
Correct Answer: Erosion
Q3.
Match these terms to their correct definition.
Correct Answer:cliff,a tall vertical rock face
tick

a tall vertical rock face

Correct Answer:beach,an area of land made up of sand, mud and stones
tick

an area of land made up of sand, mud and stones

Correct Answer:wave,movements of energy across water
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movements of energy across water

Q4.
The UK’s coastline is shaped by natural processes of erosion, transportation and .
Correct Answer: deposition
Q5.
What could be done to protect the coastline from erosion?
Correct answer: building sea walls to stop waves from wearing away the coast
cutting down trees near the coast
adding more buildings along the coast
Q6.
Sometimes we need to protect areas of the coastline and reduce by slowing down waves that hit the coast.
Correct Answer: erosion

4 Questions

Q1.
engineering involves building fixed structures at the coast to reduce erosion and flooding.
Correct Answer: Hard
Q2.
Examples of hard engineering are:
Correct answer: groynes
Correct answer: sea walls
Correct answer: gabions
beach replenishment
wind turbines
Q3.
How do groynes reduce erosion?
1 - groynes trap sand
2 - the beach becomes wider
3 - the beach absorbs more wave energy
4 - erosion is reduced
Q4.
Some examples of soft engineering are:
Correct answer: beach replenishment
Correct answer: dune stabilisation
sea wall