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      Processes at conservative plate margins

      Lesson details

      Learning outcome

      I can explain the processes at conservative plate margins and relate these to the causes of earthquakes.

      Key learning points

      1. Conservative plate margins involve two plates sliding alongside each other.
      2. Distinctive processes occur at conservative plate margins.
      3. Earthquakes occur at conservative plate margins but volcanoes do not.

      Keywords

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

      • Magma - molten rock found beneath Earth's surface. It is formed when rocks in Earth's mantle or crust melt due to high temperatures and pressure

      Common misconception

      Volcanoes occur at all plate margins.

      While volcanoes are a feature of both destructive and constructive plate margins, there are no volcanic eruptions at conservative margins because no magma is produced.

      Teacher tip

      Once students have learned about all three types of plate margin, they could show their understanding by comparing the processes and hazards associated with each type.

      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.
      What are the two main types of tectonic plate?

      Correct answer: Continental and oceanic
      Primary and secondary
      Inner and outer

      Q2.
      Which layer of Earth is made up of tectonic plates?

      Core
      Correct answer: Lithosphere
      Mantle

      Q3.
      What is the name of the theory that explains the movement of tectonic plates?

      Seismic Shift
      Volcanic Theory
      Correct answer: Plate Tectonics

      Q4.
      What is an example of a tectonic hazard?

      Hurricane
      Flood
      Correct answer: Earthquake

      Q5.
      What is the Pacific Ring of Fire?

      A large desert in the Pacific Ocean
      A ring of mountains around the Pacific Ocean
      A type of volcanic rock
      Correct answer: A zone of frequent earthquakes and volcanic eruptions

      Q6.
      Which layer of Earth is composed mostly of solid iron and nickel?

      Crust
      Mantle
      Outer core
      Correct answer: Inner core

      4 Questions

      Q1.
      What happens at a conservative plate margin?

      Plates move away from each other
      Correct answer: Plates slide past each other
      One plate sinks under another
      Plates collide and form mountains

      Q2.
      Which natural hazard is most common at conservative plate margins?

      Volcanoes
      Correct answer: Earthquakes
      Tornados

      Q3.
      Why don’t volcanoes form at conservative plate margins?

      The ocean cools the magma
      The plates collide and push magma upwards
      The plates pull apart, creating space
      Correct answer: There is no magma rising to the surface

      Q4.
      What famous conservative plate margin exists in the USA?

      The Mid-Atlantic Ridge
      The Himalayas
      Correct answer: The San Andreas Fault
      The Andes Mountains

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