A physical change is one that does not change the composition of the substance; i.e. freezing water to ice, boiling water to steam, stirring a bowl of cereal etc. A chemical change is one in which the composition is changed; i.e., burning a piece of paper, digestion of food, etc.
If you will go to Google and type in your question you can get much more information and several more examples.
Differentiate between physical and chemical changes
1 answer