Evaporating

In a liquid, some particles have more energy than others, These "more energetic particles" may have sufficient energy to escape from the surface of the liquid as gas or vapour, and this process is called evaporation. Evaporation happens from the surface of the liquid. Evaporation can happen in lots of different situations, such as  puddles that 'dissapear", clothes that are "suddenly dry" when you hang them up, etc...