Crustal Movements of Plates

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Crustal Movements of Plates

• The Earths Structure

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The Earths Surface

• Landforms on the Earths surface are of all
  shapes and sizes
• Different types of landforms
• Mountain
• Valley
• Plain
• Plateau
• Hill

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Internal Structure of the Earth

• 3 basic layers
• The core
• The mantle
• The crust

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The Core

• Centre of the earth
• Temp 5000 degrees Celcius
• Solid core

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The Mantle

• Approximately 2900 kilometres thick
• Makes up 80 of Earths total volume
• Temp 2000 degrees celcius
• Often in semi molten state

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The crust

• Outermost layer
• Thickness varies from 6 to 70km
• Made up of many separate pieces
• Floats on the semi-molten mantle

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The crust (cont)
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Plate movements

• 3 ways in which plates can move
• Push towards one another
• Pull apart one another
• Sliding past one another

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