Distribution of major plates in the world.

      The plates are moving very slowly all the time but
we cannot see this movment. Some plates are pushing
against each other and some are moving apart.

       Plate imformation:

Q.1   which is the world's deepest ocean trench?
Ans. The world's deepest ocean trench is philipine trench.

Q.2   Which is the world's longest mountain rage?
Ans. The world's longest mountain rage is Andes mountain
         rage.

Core:
 (A)Outer core is a part of the Earth. It 2000 km thick and it include
nickel and iron.
 (B)Inner core is a part of the Earth. It 1400km thick and it include
solid iron.
Earth Crust:
 (A) Oceanic crust is a plate. It 5 to 10km thick and it thinnest part of the earth and carries the ocean.
 (B) Continental crust is a plate. It 10 to 50km thick and it made of granite rocks and sedimentary rocks.
Mantle:
 Mantle is the thickest part of the Earth. It 2900km thick. It include
molten and magma that is the liquid form of rock.