What do you call the change of state from liquid to gas?

The change of state from liquid to gas is known as evaporation. This process occurs when molecules in a liquid gain enough energy to overcome the forces holding them together, allowing them to escape into the air as gas. Evaporation can happen at various temperatures and occurs at the surface of the liquid.

For instance, when you leave a glass of water out at room temperature, you may notice that it slowly decreases in volume over time. This is due to the water molecules at the surface gaining energy from the surrounding environment and turning into vapor—a clear example of evaporation in action.

Condensation refers to the transformation of gas back into a liquid, while freezing is the process of a liquid turning into a solid, such as water turning into ice. Precipitation involves various forms of water, such as rain or snow, falling from the atmosphere to the ground, which are distinct processes that do not pertain to the direct conversion from liquid to gas.