Question

A change envolves energy. Explain giving an example

Answer 1

A change can be defined as an alteration in the physical and chemical properties of matter due to the effect of some kind of energy. E.g. cooking, digestion of food.
How the ice is converted into water? did you got this doubt?
Here ice get energy from the surroundings and get converted into water. means here energy is involved in changing the state of ice to liquid.
You mom cook rice. where she cooks the rice on a stove. here stove supplies heat energy to for cooking.
From the above 2 examples you can understand that change involves energy.