Class 7 Geography Ch-2

The earth is our homeland and (a)   planet because it is constantly undergoing changes inside and outside.

Uppermost layer over the earth's surface is called

• Crust

• Mantle

• Core

Igneous rocks are also called primary rocks.

• True

• False

Small fragments (particles) of rocks are called (a)  

Red fort is made up of

• Granite

• Red sandstone

• Basalt

Uppermost layer over the earth's surface is called

• Crust

• Mantle

• Core

Process of transformation of rock from one to another is called (a)  

Rocks are made up of different______

• Minerals

• Sediments

• Fossils

• Coal

Rocks are used for

• Roads, buildings

• Sima

• Silica

Mantle is ____ beneath the crust.

• 3900 km

• 2900 km

• 3500 km