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Structure of the Earth PowerPoint Presentation
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Structure of the Earth

Structure of the Earth

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Structure of the Earth

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  1. Structure of the Earth

  2. Journey to the centre of the Earth You are a scientist who is going to travel to the centre of the earth to find out what its made of. Write a paragraph to describe your journey. You must include • The name of each layer • Information on how thick each layer is • What material each layer is made of

  3. Crust Crust – 6km to 90km thick and solid. It ‘floats’ on the mantle Mantle Mantle – hot and flows like a thick liquid. Inner Core Outer Core – Liquid and under huge pressure. Outer Core Inner Core – Solid, mainly made of iron and nickel 4000°C

  4. Inner Core = 1231 km thick Outer Core = 3488 km thick Mantle = 1552 km thick Crust = 100 km thick 6371 km

  5. Hinge Question • If you were travelling from the centre of the earth outwards, what order would you pass through each layer? • Mantle, Outer core, Inner Core, Crust • Inner Core, Outer Core, Mantle, Crust • Crust, Mantle, Outer Core, Inner Core • Crust, Mantle, Inner Core, Outer Core