Restless Earth A quiz on the restless earth section of Dynamic Planet Unit. 2.0 / 5 based on 2 ratings ? GeographyRock landscapes and processesGCSEEdexcel Created by: AbiCreated on: 10-04-13 14:45 What is the lithosphere? The upper most layer of the earth, including the top of the mantle and the crust. 1 of 7 What is the difference between the two types of crust? Oceanic crust is a lot denser than continental crust. 2 of 7 Why do the earth's tectonic plates move? There is a convection current in the mantle due to heat from the core which moves magma and so also the tectonic plates on top. 3 of 7 What does the Magnetosphere do? Reflects harmful radiation away from the earth. 4 of 7 How do we know the earth is hot? Molten lava, hot springs and geysers. 5 of 7 What is the evidence for Pangea? Shape of the continents seem to fit together. Fossils from the same species found in Africa and South America. 6 of 7 What is the most dangerous type of plate boundary? Destructive 7 of 7
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