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42353
Volcanoes
Description
geography Mind Map on Volcanoes, created by Marni Quinn on 10/04/2013.
No tags specified
geography
Mind Map by
Marni Quinn
, updated more than 1 year ago
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Created by
Marni Quinn
over 11 years ago
177
1
0
Resource summary
Volcanoes
Inner core
Center of the earth and the hottest part
5500 degrees celcuis
its a solid
iron
nickel
Outer core
Second layer surrounding the inner core
Liquid
Iron
Nickel
similar temperatures to the inner core
The Mantle
Widest section of the earth
Approximately 2,900 km
made up of semi molten rock
Magma
Upper part
Hard rock
Lower part
Soft rock that is begining to melt
The crust
Outer layer
the solid layer on which we live
Thin between 0-60km
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