The detailed study of the interior of the Earth is done by ..................................... .

The temperature of the Earth in the centre is about ............................ .

The average density of the Earth is about ........... per cubic cm

The concentric layers of the earth are ................. , ..................... and .............. .

Crust is also called ................................ .

What are the 2 types of crust ?

Continental crust is made up of ........................ and oceanic crust is made up of ............................ .

.................................. lies between crust and core

......................... is found in Mantle

Core is also called ........................... .

Core is made of heavy metals , they are ...................... and ...................... .

What are the 3 types of rocks

Igneous rocks are also called as .................................... rocks.

what are the 2 types of Igneous rocks ?

........................ rock is found in Deccan platue

Sedimentary rocks are made of deposed ........................... .

..................................... rocks are widespread about 75 per cent of total land of earth

Rocks that have been changed due to excessive heat and pressure are called .......................... .

limestone changes into ......................

The change of one type of rock into another in a cyclic manner is known as ........................ .