Erosional coastal landforms | Geography | Quizalize & Oak National Academy

Starter quiz

What is a landform?
- a man-made structure
- a natural feature of Earth's surface ✓
- a type of farming
What is the difference between erosion and weathering?
- 1
  
  ⇔
  
  erosion
- 2
  
  ⇔
  
  involves the process of moving materials
- 3
  
  ⇔
  
  weathering
- 4
  
  ⇔
  
  is the breaking down of rock in place
Match the key words to their definition.
- landform
  
  ⇔
  
  natural features created by processes such as erosion or deposition ✓
- erosion
  
  ⇔
  
  the process of Earth’s surface being worn and transported away ✓
- geology
  
  ⇔
  
  the physical structure, rocks and minerals that exist in an area ✓
- rate
  
  ⇔
  
  a measure of the quantity, frequency or speed ✓
What is an erosional coastal landform?
- a feature created by the movement of sand
- a feature formed by the action of waves and currents wearing away rock ✓
- a feature formed by the deposition of sediment
- a feature created by volcanic eruptions
What is a headland?
- a small island
- a sandy area at the bottom of a cliff
- an area of harder rock that sticks out into the sea ✓
Why is rock described as being 'soft'?
- soft rock is easy to erode ✓
- soft rock can be crumbly like clay ✓
- soft rock is difficult to erode
- soft rock is squashy like a pillow

Exit quiz

Which term refers to rock being worn away?
- deposition
- erosion ✓
- formation
- transportation
The four types of erosion are:
- abrasion
  
  ⇔
  
  rock carried by waves knock against a cliff face and wear it down ✓
- hydraulic action
  
  ⇔
  
  waves force air into cracks on a cliff face weakening the rock ✓
- solution
  
  ⇔
  
  rock is dissolved by seawater ✓
- attrition
  
  ⇔
  
  rocks carried by waves knock against each other ✓
Put the coastal landforms in the order that they are formed.
- 1
  
  ⇔
  
  headland
- 2
  
  ⇔
  
  cave
- 3
  
  ⇔
  
  arch
- 4
  
  ⇔
  
  stack
- 5
  
  ⇔
  
  stump
______ tells us about the type of rock at a coastline.
- 'Geology' ✓

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Lesson Details

Key learning points

There are four types of erosion: abrasion, hydraulic action, attrition and solution.
The geology of a coastline will have an impact on the rate of erosion.
Coastal landforms, such as arches, are formed through erosional processes over millions of years.
The sequence from a headland to a stump is: headland, cave, arch, stack, stump.

Common misconception

Students may think that soft rock is physically soft to the touch, like a pillow.

Geologically soft is not the same as being soft like a pillow. All rock feels solid when touched, even soft rocks. Rock that is classified as soft, like clay, can crumble and break more easily than rock which is classified as hard, like granite.

Keywords

Erosion - the process of Earth’s surface, e.g. rock or soil, being worn away and transported from its original site
Landform - landforms are natural features created by processes such as erosion or deposition
Geology - the geology of an area is its physical structure and the rocks and minerals that exist there
Rate - a measure of the quantity, frequency or speed at which something happens or occurs