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Layers of the Earth
Transcript of Layers of the Earth
Based on Composition
The layer of Earth between the crust & core
Has convection currents- video clip
2,900 km thick
We have never been to it!
Made of 3 main elements
Two kinds of crust
Outermost layer of the Earth
Made of 3 main
Layer that goes from the mantle to
the center of the earth
3430 km thick
Made mostly of 2 elements
Dividing up the layers even further...
2200 km thick
1230 km thick
Strong, lower part of the mantle between
& the outer core
Soft layer of the mantle on which tectonic plates move
250 km thick
layer of Earth
- lower part
- upper part
Divided into tectonic plates