Question

20 examples of physical change

Answer 1

The change which does not affect the internal or chemical properties of a system is called a physical change.

20 examples of physical change are-

1. Boiling of water.
2. Melting of ice.
3. Conversion of water to vapour.
4. Tearing of paper.
5. Cutting a fruit.
6. Freezing of water.
7. Cutting of cloths.
8. Cutting a cake.
9. Breaking a glass pot.
10. Making clay art.
11. Mixing of sugar and water.
12. Cutting of wood.
13. Evaporation of camphor.
14. Making salad.
15. Making paper art.
16. Mixing of ink to water.
17. Making salty water.
18. Cutting of vegetables.
19. Popping a balloon.
20. Cruising a brick to dust.

Answer 2

Answer:

Explanation:

Physical Change:

• Physical changes involve states of matter and energy.

• Physical changes cause the matter to change form, but no new substance is created.
• Matter can change in size, shape, and color.
• When substances are combined but do not chemically react, physical changes take place.

Example:

1. Crushing a can.
2. Mixing sand and water.
3. Sublimation of dry ice.
4. Chopping wood.
5. Making dough.
6. Casting silver in a mold.
7. Carbon changing from graphite into a diamond.
8. Melting a sugar cube.
9. Mixing candies.
10. Shredding paper.
11. Folding paper.
12. Cracking an egg.
13. Chopping an apple.
14. Melting wax.
15. Mixing paint colors.
16. Slicing bread.
17. Breaking a glass into fragments.
18. Sublimation of ammonium chloride.
19. Changing shape of clay.
20. Salt dissolving in water.

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