Question

How are rocks classified and define each one of them?

Answer 1

Instructions:

1. Types of rocks
2. Definition of each rocks

Solution:
Rocks are classified into two types.

1. Igneous rocks
2. Sedimentary rocks
3. Metamorphic rocks

Igneous rocks

• Igneous rock is formed by the cooling and solidification of molten Earth materials.

Sedimentary rocks

• Sedimentary rocks are formed from pre-existing rocks and they are formed by the deposition that accumulates on the Earth's surface.

Metamorphic rocks

• Metamorphic rocks arise from the transformation of existing rock to new types of rock by changing its original characteristics.