![]() As that liquid water is further heated, it evaporates and becomes a gas-water vapor. When solid water is exposed to enough heat, it will melt and return to a liquid. ![]() When liquid water reaches a low enough temperature, it freezes and becomes a solid-ice. ![]() Evaporation is just one way a substance, like water, can change between these states. Substances can exist in three main states: solid, liquid, and gas. Evaporation accounts for 90 percent of the moisture in the Earth’s atmosphere the other 10 percent is due to plant transpiration. Alongside condensation and precipitation, evaporation is one of the three main steps in the Earth’s water cycle. In these examples, the liquid water is not actually vanishing-it is evaporating into a gas, called water vapor.Įvaporation happens on a global scale. It can be easily visualized when rain puddles “disappear” on a hot day or when wet clothes dry in the sun. Evaporation happens when a liquid turns into a gas.
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