Try out the following activities and decide whether they are physical change or chemical change. 

S.No.	Process	Observation	Physical or chemical change
1	Add sugar to a glass of water and stir for a while.	What happens to the sugar after a few minutes of stirring?
2	Light up a candle. Hold a small piece of paper with forceps near the fire.	What happens to the paper?
3	Place the bottle of coke in an open area where spillages can be cleaned easily. Now put two tea spoon full of baking powder in the bottle of coke. Give it a stir.	What do you observe?
4	Cut open an apple with a knife and keep for half an hour.	Observe what happens.