Stone age is divided into three periods, i.e. Palaeolithic Age, Mesolithic Age and Neolithic Age.
Lower Palaeolithic Age covers the greater part of the Ice Age.
Its people used to eat fruits, birds and raw animal flesh, etc.
The tools were usually made of hard rock.
In Middle Palaeolithic age abit change occurred in the shape of tools made of stones or bones.
In Upper Palaeolithic age, human lived as nomadic hunter gatherers.
Mesolithic Age was an intermediate stage in the stone age. It ended with the introduction of agriculture.
Neolithic age was an age of polished tool culture.
Toolmakingbecameanimportantprofession and avariety of polished tools were manufactured.
They learnt the art of pottery and their pots were well made and decorated with paintings.
They discovered the art of producing fire by the friction of stones and the wheel was also an important discovery of this age.
Chalcolithic Age is marked by the use of copper as copper age. The economy was based on subsistence agriculture, stock-raising, hunting and ishing.
The Chalcolithic people slaughtered animals for food. Neither they milked animals for dairy products nor did they practise cultivation.
It was the transitional stage when both bronze, copper and stone tools were used and humans started living settled life.
The Iron age is usually associated with the Painted Grey Wares (P.G.W.).
The adoption of Iron brought various changes in society including agricultural practices, religious beliefs and attractive artistic styles.