No, when you boil a beaker of water over a Bunsen burner, it will not become a gas. Instead, the water will transform from a liquid state into a gaseous state. This process is called vaporization. As the water molecules gain energy from the heat, they move faster and break free from the liquid's surface, becoming water vapor. The water vapor will rise and escape into the surrounding air, but the water itself will remain in a liquid state.