Boiling is a change of state where a liquid becomes a gas throughout the liquid. It occurs at a specific temperature called the boiling point. During boiling, bubbles form and rise to the surface. This process can be seen clearly in heated liquids.

Boiling is observed when water is heated for cooking or scientific use. Different liquids have different boiling points. Boiling takes place in homes, laboratories, and industries. It is one of the common changes of matter.