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Layers of the Earth
- OUTER CORE
- Surround the inner core
- Liquid layer
- Made up of iron and nickel
- Extremely hot, with
temperature similar to the
inner core
- Surround the inner core
- INNER CORE
- The centre of the Earth
- Hottest part of the Earth
- Solid and made up of iron and nickel
- Temperatures of up to
5,500 degrees celcius
- Immense heat energy
- The centre of the Earth
- MANTLE
- Widest section of the Earth
- Thickness of approximately 2,900 km
- Made up of semi-molten rock called magma
- In the upper parts of the mantle the rock is hard
- Lower down the
rock is soft and
beginning to melt
- Widest section of the Earth
- CRUST
- Outer layer of the earth
- Thin layer between 0-60 km thick
- Solid rock layer upon which we live
- Continental crust is primarily
made up of silica and alumina
called the "sial"
- Outer layer of the earth
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