Center of the earth
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Layers of the earth with Bob the alien
I am Bob the alien
The first layer is the crust and it is the thinnest layer.
The crust is made up of oxygen,silicon, aluminum and iron. The temp is 200- 400 depending how deep you are.
The mantle is 4000 degrees. It's mostly made out of silicate rock rich in magnesium and iron.
The second layer is the mantle and it's the largest layer.
The outer core temp is 4400 to 6100. It's mostly made out of liquid iron and Nickel.
The third layer is the outer core and it's the only liquid layer.
The inner core temp is 10800 which is as hot as the surface of the sun. Its mostly made out of metal like iron.
The inner core is about the size of the moon and it spins faster then the surface of the earth.
This is Bob the alien see you next episode if I make it.