Question

What changes have you seen taking place in the materials in your surrounding?

Answer 1

physical change and chemical change

Answer 2

Explanation:

Generally there are two types of changes are found that is physical and chemical change.

Physical change is the change in which material change its shape,size, area, volume etc.In this change no new substance is formed like cutting of woods etc.

Chemical change is the process in which a new substance is formed after reacting with suitable reactants.Like production of carbon-di-oxide in nature.