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SingaporeGeography

Plate Tectonics

4 dot points across 4 inquiry questions. Click any dot point for a focused answer with worked past exam questions where available.

What causes earthquakes, and how are they measured?

Explain how earthquakes are caused by plate movement and describe how their strength and effects are measured
A clear, scaffolded answer to the N(A)-Level Geography outcome on earthquakes. How building and releasing pressure at plate boundaries causes earthquakes, the focus and epicentre, and how the Richter and Mercalli scales measure them.
8 min answer →

How do plates move, and what happens at the different types of plate boundary?

Describe how tectonic plates move and explain what happens at divergent, convergent and transform plate boundaries
A clear, scaffolded answer to the N(A)-Level Geography outcome on plate boundaries. How convection currents move plates, and what happens at divergent, convergent and transform boundaries, with the landforms and hazards each produces.
8 min answer →

What is the Earth made of, and why does its structure matter for plate movement?

Describe the internal structure of the Earth and explain how the crust, mantle and core differ in their properties
A clear, scaffolded answer to the N(A)-Level Geography outcome on the Earth's structure. The crust, mantle and core, the difference between continental and oceanic crust, and why the mantle's heat drives plate movement.
7 min answer →

How do volcanoes form, and what are their main features?

Explain how volcanoes form at plate boundaries and describe the main features and types of volcano
A clear, scaffolded answer to the N(A)-Level Geography outcome on volcanoes. How magma reaches the surface, the main parts of a volcano, the difference between shield and composite volcanoes, and what they erupt.
8 min answer →