Class 7 CBSE Social lesson 2 Inside our earth Quiz
Earth is about ___ crore years ago





The core lies below the ________ and around the centre of the earth.





A detailed study of the interior of the earth is done by _______





The average density of the crust is about _._g per cubic cm.





The outer Crust has soil. it provides us with most of the __________.





There are three types of rocks they are





The thinnest layer of the earth is the ______.





What is the other name of the core





The rocks which are formed by molten magma are called  _________ Rocks.






The rocks which are formed by sediments are called  _________ Rocks.






The rocks which are formed by Sedimentary rocks are called  _________ Rocks.