Physics lesson EARTH'S core, mantle and crust

                                                 SYSTEM OF THE EARTH ( pic No.1)
           CORE OF THE EARTH:    Let us know that earth shape is spherical. When we cut exactly half of the earth, we see like below the figure. From red spot to first circle called core. The core has high temperature magma material.         
                                                                  (   pic No.2 CORE)

        MANTLE OF THE EARTH:-    The second or middle layer called mantle it made of smooth and hard rock.


 (   pic No.3 CORE AND MANTLE)
         THE CRUST OF THE EARTH :- the  upper layer called crust it covers with smooth dust on which we live.
   

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