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      Processes at destructive/convergent plate margins

      Lesson details

      Learning outcome

      I can explain the processes at destructive/convergent plate margins and the causes of earthquakes and volcanoes.

      Key learning points

      1. Destructive/convergent plate margins involve two plates moving towards each other.
      2. Distinctive processes occur at destructive/convergent plate margins.
      3. Earthquakes and volcanic eruptions occur at destructive/convergent plate margins and have distinctive characteristics.

      Keywords

      • Subduction - the process at a destructive plate margin where a denser oceanic plate sinks beneath a less dense plate into the mantle

      • Tsunami - a series of large ocean waves caused by underwater earthquakes, volcanic eruptions or landslides

      • Magnitude - a measure of the energy released by an earthquake; a higher magnitude means a stronger earthquake

      Common misconception

      That volcanoes occur directly above where the oceanic plate starts to subduct.

      In fact, the melting of the oceanic plate occurs deep in the mantle, so magma rises to the surface some distance away from the plate margin.

      Teacher tip

      Show students video clips of explosive and effusive volcanic eruption types to underline the differences between them.

      Content guidance

      Depiction or discussion of violence or suffering

      Supervision

      Adult supervision required

      Licence

      This content is © Oak National Academy Limited (2026), 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.
      Which layer of Earth is composed mostly of solid iron and nickel?

      Crust
      Mantle
      Outer core
      Correct answer: Inner core

      Q2.
      What is a cause of tectonic plate movement?

      Wind currents
      Correct answer: Convection currents in the mantle
      Earth's rotation
      Gravitational pull from the moon

      Q3.
      Which of the following is a result of tectonic plate movement?

      Earthquakes
      Volcanic eruptions
      Mountain building
      Correct answer: All of the above

      Q4.
      What type of volcano erupts gently and has broad, sloping sides?

      Composite volcano
      Correct answer: Shield volcano
      Stratovolcano
      Caldera

      Q5.
      What is the main reason for the occurrence of tsunamis?

      Correct answer: Earthquakes in the ocean
      Meteorite impacts
      Coastal erosion
      Volcanic eruptions on land

      Q6.
      Which of these statements are true?

      A natural hazard is an event that always causes damage
      Correct answer: A natural disaster causes significant damage to human lives or property
      Natural disasters happen anywhere in the world

      4 Questions

      Q1.
      Match the keywords and their definitions.

      Correct Answer:subduction,when one tectonic plate is forced under another plate

      when one tectonic plate is forced under another plate

      Correct Answer:tsunami,a giant ocean wave caused by underwater earthquakes

      a giant ocean wave caused by underwater earthquakes

      Correct Answer:magnitude,a measure of the energy released by an earthquake

      a measure of the energy released by an earthquake

      Q2.
      What happens at a destructive (convergent) plate margin?

      Plates move apart
      Plates slide past each other
      Correct answer: Plates move towards each other
      Plates move in a circular motion

      Q3.
      Put the sentences in the correct order to describe the formation of volcanoes at a destructive plate margin.

      1 - When a plate is subducted into the mantle, it heats up.
      2 - This helps the rock above to melt and form magma.
      3 - This magma rises up through cracks in the crust, causing volcanic eruptions.
      4 - Over time, layers of lava and ash build up to form a volcano.
      5 - Volcanoes at destructive plate margins produce explosive eruptions.

      Q4.
      Explosive volcanic eruptions produce a range of very dangerous hazards, including:

      pyroclastic flows
      ash clouds
      lava flows
      lahars
      Correct answer: all of the above

      To help you plan your 10 geography lesson on: Processes at destructive/convergent plate margins, download all teaching resources for free and adapt to suit your pupils' needs...