The water in an earthen pot is cold because the porous material allows evaporation of water from the surface. This process absorbs heat, lowering the temperature of the remaining water inside the pot.
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Clouds give us rain when water vapor in them cools and condenses into tiny droplets. These droplets combine to form larger droplets, which eventually fall to Earth as precipitation due to gravity.
If evaporation ceased, water wouldn’t turn into vapor to form clouds or precipitation. This would disrupt the water cycle, leading to droughts, reduced freshwater availability, and severe impacts on ecosystems and agriculture.
Evaporation is the process where liquid water turns into vapor when heated, occurring at any temperature. Condensation is the reverse process where water vapor cools and changes back into liquid, forming droplets.
Water kept under a tree still evaporates because it absorbs heat from the surrounding air and ground. Even in the shade, the ambient temperature provides enough energy for water molecules to evaporate gradually.