Question

State6changes around us in daily life

Answer 1

Some Changes are as Follow:-

1. Burning of Matchstick changes to ash.

2. Changing of Milk to curd which is a chemical change.

3. Burning of Magnesium Ribbon to form ash which is also a chemical change.

4. Melting of Wax which is a physical change.

5. Melting of ornaments to form another ornaments which is a physical change.

6. Evaporation which is a physical change.

We see in all examples, there is use of some words like Physical change and Chemical Change:-

Physical Change=> A change in which no new substance is formed and it can be brought back, it is called as Physical change. Ex- Evaporation. Heat, light and sound are not found in this change.

Chemical Change=> A Change in which a new substance is formed with new property and it can't be brought back, the production of heat, light and sound is also there. So this type of change is called as Chemical Change. Ex- Burning of Paper.

Answer 2

In environment there occurs many changes continuously some are easily visible while some are not so easily visible.


Few changes are :

1. Change of water into wayer vapour.

2. Tearing of paper.

3. Cooking of food.

4. Flying if electric current in wires.

5. Digestion of food.

6. Blowing wind.