6th Class Science Changes Around us

  • question_answer 4)
    How does a blacksmith change a piece of iron into different tools and what change has taken place in iron, on being heated?  


    A blacksmith first heats a piece of iron till it becomes red hot. It then becomes soft and can be beaten into desired shape. Iron when heated and beaten it forms some shape and again heated it regain initial iron. Thus, this change is a reversible change.

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