Q6 of 39 Page 100

Distinguish between:

Core and crust.





























Basis



Core



Crust



Meaning



It is the innermost layer of the earth. It lies beneath the mantle



It is the outermost layer of the earth.



Elements



The minerals found in the core are Nickel (Ni) and Iron (Fe). It is popularly known as NIFE.



The minerals found in the crust are Silica (Si) and Aluminium (Al). It is popularly known as SIAL.



Extends



It extends further below mantle which has thick 2900km.



It ranges between 5km to 30km.



Types



The core is classified into two types that are inner core and outer core.



The crust is classified into oceanic crust and continental crust




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