Question

Mention the type of change in the following:-

1. A child on swing.
2. Beating of heart.
3. Change of milk to curd.
4. Glowing of electric bulb
5. Breaking of glassware.
6. Sneezing.
7. Stretching of rubber band
8. Condensation of steam to water.
9. Magnetisation of steel bar.

Answer 1

1-Physical change
2-physical change
3-chemical change
4-physical change
5-physical change
6-physical change
7-physical change
8-physical change
9-physical change

Answer 2

1) oscillation
3)chemical change
4)heating effect of electric current
5) physical change
7) potential energy
8) condensation
9) magnetism