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      Lesson details

      Learning outcome

      I can use geographical vocabulary to describe coastal processes.

      Key learning points

      1. Coastal communities at risk are deeply affected by changes caused by erosion, flooding or sea level rise.
      2. The sea transports sediment such as mud, sand and stones: these can create coastal patterns of erosion and deposition.
      3. Sediment patterns on beaches reflect wave energy and wind direction.

      Keywords

      • Sediment - Sediment is material that is moved by water or air and settles in another place.

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

      • Deposition - Deposition is when sand, mud and rocks are dropped by the river.

      Common misconception

      Children may believe prevailing wind is the direction of wind on any particular day.

      The prevailing wind is the most frequent wind direction that a location experiences.

      Teacher tip

      Demonstrate how the sea transports materials by adding a teaspoonful of mud, sand and small stones to a jar of water. Slowly move the jar like a calm sea, only the small mud sediments move. Increase energy by rocking the jar - the sand moves. Mimic a stormy sea by turning the jar over.

      Licence

      This content is © Oak National Academy Limited (2025), licensed on Open Government Licence version 3.0
      except where otherwise stated. See Oak's terms & conditions
      (Collection 2).

      Lesson video

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      Prior knowledge starter quiz

      6 Questions

      Q1.
      are formed by the wind blowing over the surface of the sea.

      Correct Answer: waves

      Q2.
      Arches that collapse become

      a cave
      a cliff
      Correct answer: a sea stack

      Q3.
      Put the coastal features in the order they would form.

      1 - cave
      2 - arch
      3 - sea stack

      Q4.
      Harder rocks, like granite, erode

      quickly
      extrmely fast
      Correct answer: slowly

      Q5.
      Harder rocks erode more than softer rocks.

      quickly
      Correct answer: slowly
      often

      Q6.
      Coastlines made of hard rock will create:

      a beach
      Correct answer: a headland
      a bay

      6 Questions

      Q1.
      is material that is moved by water or air and settles in another place.

      Correct answer: Sediment
      Erosion
      Deposition

      Q2.
      is when sand, mud and rocks are dropped by the river.

      Sediment
      Erosion
      Correct answer: Deposition

      Q3.
      Which process creates coastal features such as cliffs, caves and arches?

      Correct answer: erosion
      transportation
      deposition

      Q4.
      creates sediment in the sea.

      Correct Answer: Erosion

      Q5.
      is the process of moving material from one place to another.

      Erosion
      Correct answer: Transportation
      Deposition

      Q6.
      Calm seas can only transport particles of sediment.

      Correct Answer: small, tiny, little

      To help you plan your 6 geography lesson on: The changing coastline, download all teaching resources for free and adapt to suit your pupils' needs...