Layers of the Earth

R A
Mind Map by R A, updated more than 1 year ago
R A
Created by R A over 5 years ago
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Description

Mind Map on Layers of the Earth, created by R A on 11/06/2014.

Resource summary

Layers of the Earth
1 OUTER CORE
1.1 Surround the inner core
1.2 Liquid layer
1.3 Made up of iron and nickel
1.4 Extremely hot, with temperature similar to the inner core
2 INNER CORE
2.1 The centre of the Earth
2.2 Hottest part of the Earth
2.3 Solid and made up of iron and nickel
2.4 Temperatures of up to 5,500 degrees celcius
2.5 Immense heat energy
3 MANTLE
3.1 Widest section of the Earth
3.2 Thickness of approximately 2,900 km
3.3 Made up of semi-molten rock called magma
3.4 In the upper parts of the mantle the rock is hard
3.5 Lower down the rock is soft and beginning to melt
4 CRUST
4.1 Outer layer of the earth
4.2 Thin layer between 0-60 km thick
4.3 Solid rock layer upon which we live
4.4 Continental crust is primarily made up of silica and alumina called the "sial"
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