As the altitude increases, the boiling point of water decreases. Below sea level, the boiling point of water increases.
The purity of the water also affects its boiling point. For instance, salt water boils at a higher temperature than pure water.
It is easy to boil water. A pot is filled with water and placed on the stove. The heat is turned to high. When large bubbles rise from the bottom of the pot to the surface of the water, it is boiling.Learn more about States of Matter