Question

Define a physical change and its characteristics. Give three examples of physical change.

Answer 1

Answer:

Physical change means the change which occurs physically in a object.

Characteristics

• Physical change can be changed.
• It is temperory.
• We can bring in its original form.

Examples

1. If we beat a iron nail ,it changes its shape.And we can bring it in its original shape.
2. Breaking a glass.
3. Boiling water.
4. Melting of water.

Answer 2

Answer: A physical change is the one in which physical form of an entity changes, while it remains what in actual it is. It is a reversible change.

Explanation:

Example: Conversion of water into ice is a physical change. As, water changes it's physical form; from liquid to solid. But it's chemical composition (2 parts of hydrogen and 1 part of oxygen) remains the same.