TYPES OF ROCKS

The materials that form the crust of the Earth is called .........

• mantle

• rocks

• core

A rock in which a particular mineral is found in a large percentage is called the................. and mining is mostly done in areas where it is found.

• ore

• lava

Rocks are classified into 3 types.

• Igneous

  sedimentary

  metamorphic

• Intrusive

  Extrusive

  Igneous

• Igneous

  sandstone and limestone

  metamorphic

Metals like gold, silver and iron are obtained from ......... rocks.

• sedimentary

• metamorphic

• igneous

Identify the type of rock used in the interior of this home.

• slate

• marble

• limestone

Petroleum is an example of a fossil fuel obtained from........... rocks.

• igneous

• sedimentary

• metamorphic

Identify the type of rock given in the picture.

• igneous

• metamorphic

• sedimentary

The scientific study of rocks is called..................

• petrology

• psychology

• seismology

Rocks were used to make .................... in the ancient times by primitive man.

• Petroleum

• flooring tile

• weapons and tools

The prominent features of metamorphic rocks are:

• -mostly formed under water

  -it has remains of plants and animals

  -made of smaller particles

• -it has metals and mineral

  -it is called primary rocks

• -they are very hard

  -marble, slate