Processes at destructive/convergent plate margins
I can explain the processes at destructive/convergent plate margins and the causes of earthquakes and volcanoes.
- Year 10
- AQA
Processes at destructive/convergent plate margins
I can explain the processes at destructive/convergent plate margins and the causes of earthquakes and volcanoes.
Lesson details
Key learning points
- Destructive/convergent plate margins involve two plates moving towards each other.
- Distinctive processes occur at destructive/convergent plate margins.
- 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.
Equipment
Content guidance
- Depiction or discussion of violence or suffering
Supervision
Adult supervision required
Licence
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?
Q2.What is a cause of tectonic plate movement?
Q3.Which of the following is a result of tectonic plate movement?
Q4.What type of volcano erupts gently and has broad, sloping sides?
Q5.What is the main reason for the occurrence of tsunamis?
Q6.Which of these statements are true?
Assessment exit quiz
4 Questions
Q1.Match the keywords and their definitions.
