Layers of the Earth

The three layers based on chemical composition are....
Core, Mantle, Crust
The Core is divided into......
Inner Core & Outer Core
How many kilometers thick is the mantle?
2900
The mantle and the crust are composed of.....
Silicates
The Inner core is ..... Km thick
1300
The outer core is .... Km thick
2250
The mantle is .... C degrees.
3000
Is the continental crust less dense than the oceanic crust?
Yes
What is the temperature in the core?
3600-4000
The core is made up of....
Iron & nickel
The crust is ..... Km thick
8-45
What are the five layers based on physical composition?
Inner Core, Outer Core, Mesosphere, Asthenosphere, Lithosphere
What is the lithosphere?
Includes the Earth's crust and a small portion of the upper mantle
The lithosphere is .... Km thick
100
Mesosphere is the .... mantle
Inner
Asthenosphere is the ... mantle
Upper
 
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