Question
Describe what happens at each of the four types of plate boundary.
[8 marks — 2 per boundary type]
Mark scheme (B1 direction of movement + B1 result per boundary):
- Constructive: plates move apart (B1); magma rises and creates new oceanic crust / mid-ocean ridge forms (B1).
- Destructive: plates move together; oceanic crust subducts beneath continental (B1); ocean trenches and fold mountains / composite volcanoes formed (B1).
- Conservative: plates move past each other (B1); no crust created or destroyed; severe earthquakes, no volcanoes (B1).
- Collision: two continental plates converge (B1); neither subducts; crust crumples and folds → highest mountain ranges (Himalayas) (B1).
Total: 8 marks.
8 marks · take your time before peeking.
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Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.