An ironsmith heats iron before making tools. Why is heating necessary in this process? Class 7

An ironsmith heats iron before making tools. Why is heating necessary in this process? Class 7

An ironsmith heats iron before making tools. Why is heating necessary in this process? Class 7

Answer:

For making tools, an ironsmith first heats a piece of iron until it becomes red-hot. The red hot iron is softer than normal iron. Now by using hammer, it can be converted into sheets, desired shape. Heating is necessary because it save a lot of labour of the ironsmith.