IGCSE Marine Science · Area 1 of 6

The Earth and its oceans

The structure of the Earth, plate tectonics, the shape of the oceans and seas, and the tides and currents that move water around the planet.

2 topics · 16 exam-style questions · 49 marks

Two pages on the physical setting of everything else in the course.

Structure of the Earth and plate tectonics

The Earth is a layered planet whose thin rocky crust is broken into plates that float on the mantle and are carried by convection currents. Their movements build continen...

8 questions · 25 marks

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Oceans, seas, tides and currents

You need the five oceans, a way of describing exactly where they are, and the shape of the sea floor beneath them, because every later topic - salinity, productivity, mar...

8 questions · 24 marks

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