Do you find any increase in the temperature?

Question

Take a cup of water and note its temperature. Heat the water for few minutes and note the temperature again. What caused the temperature change?

1. Do you find any increase in the temperature? 

2. What caused the temperature change?

Answer 1

1. When the water is heated, water molecules receives heat energy, increases the kinetic energy of the molecules.

2. 1. When the molecules receive more energy, the temperature of the water increases. 

2. Heat energy causes increase in temperature.