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I am a pebble on a beach. How did I end up here from the mountains? To understand the effects of the rock movement What are the different types of rocks and how did they form? Southerndown rocks Southerndown rocks Rock folds at Southerndown Rock folds at Southerndown This hotel in Scarborough fell in to the sea. This mansion is now even closer to the sea than planned This folly in Dorset is being moved 30m inland. When this cliff collapsed, fossil hunters were out in droves. Why? Volcano Rock Cycle Sedimentary Igneous Metamorphic Sedimentary Rock Igneous Rock Metamorphic Rock Rock Cycle Changing one type of rock to another The rock cycle Structure of the Earth The Earth is almost a sphere. These are its main layers, starting with the outermost laye •the crust (relatively thin and rocky) •the mantle (has the properties of a solid but can flow very slowly) •the outer core (made from liquid nickel and iron) •the inner core (made from solid nickel and iron) Why do the facing coasts of Africa and South America have similar rocks and fossils despite being thousands of miles apart? Continental Drift Plate Tectonics