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We use different rocks for different purposes. Marble and granite are hard
rocks. They are used for making buildings, monuments, floors and statues.

Taj Mahal is a monument The floors are made up
built with white marble. of granite or marble.

Sandstone is also used to make buildings and
monuments. Red Fort is a monument that is
built with red sandstone.

Sandstone is a rock formed from cemented Red Fort is a monument
sand-sized clasts. built with sandstone.

Slate is a soft rock. It is grey in colour. It is used to make blackboards. It is also
used to make roof of houses.

Slate Blackboard

Coal is also a soft rock. It is used for various purposes like cooking, running
steam engines and in some steam irons.

Coal Chullah Steam Engine

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