Page 78 - Carvaan Science-2

Rocks

Rocks are found in many colours like white, black, red, grey, green, etc.
Some rocks are soft and some rocks are very hard.

Hard Rocks

Hard rocks are mostly used in the construction of buildings.

Granite : It is a very hard rock.

It does not break easily. It is used
to make floors and kitchen slabs.

It is usually reddish brown, dark
grey or green in colour.

Granite Statue

Marble : It is a hard

rock. It is used for making floors,
statues and buildings. Marble is

usually white, grey or black. The
Taj Mahal is built of white

marble. Taj Mahal Marble

Sandstones : It is also a hard rock. It is formed
from sand particles. It may be yellow, brown, grey

or white. It is softer than granite. It is used to
build temples and forts.

The Red Fort in Delhi is made of red
sandstones.

WOW! Red Fort

Rajasthan is famous for marble!

Soft Rocks
Some rocks like coal, chalk and slate are soft.

Coal : It is a soft black rock. It is used as fuel for
cooking and for running engines. Coal

78 Science-2