AP BIOLOGY

Detailed explanation-1: -The process of conversion of a liquid to its vapour state on absorbing heat is called evaporation. When wet clothes are hanged outside in sunlight, the water in them absorbs heat from the sun and gets evaporated.

Detailed explanation-2: -Evaporation happens when a liquid turns into a gas. It can be easily visualized when rain puddles “disappear” on a hot day or when wet clothes dry in the sun. In these examples, the liquid water is not actually vanishing-it is evaporating into a gas, called water vapor.

Detailed explanation-3: -Drying of a shirt in the sun is a physical change because water gets evaporated in the form of vapours into the atmosphere and no new substance is formed.

Detailed explanation-4: -When the water evaporates, it takes some of the heat energy away from the clothes. Evaporation is the process of drying – when a liquid turns into gas, or vapour. When a wet object dries, it loses a lot of heat because of the evaporation.

Detailed explanation-5: -When wet clothes are placed for drying, water changes into vapour as a result of heating. The water vapour so formed becomes a part of the air and cannot usually be seen. This process is called evaporation.