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During evaporation molecules of water leave the water surface and go into solution in the air. The temperature of the water is causes by the vibration of the molecules in it (micro kinetic energy). During evaporation it is the molecules with the biggest vibration that have the energy to leave the surface into the air. Thus the overall vibration energy of the water reduces and this means the temperature falls.
Note however that energy can not actually be lost, so the energy taken out of the water by the departing molecules remains in water vapour in the air. When this vapour condenses back into water the energy is released, warming the place where it condenses. This energy is called latent heat (the latent heat of evaporation/condensation) and this ability to transfer heat form one place to another in a vapour phase is how a fridge works.
Wiki User
∙ 6y ago
Wiki User
∙ 13y agoThe conversion of liquid in to gaseous state requires heat, it is an endothermic process, during evaporation liquid absorbs heat from surroundings and its molecules having high kinetic energy than average become evaporated leaving the molecules of lower energy so temperature reduces and we feel the cooling effect.
Wiki User
∙ 12y agoEvaporation is a phenomenon with absorption of energy (heat) followed by lowering of the temperature.
Wiki User
∙ 15y agoUm, try rephrasing the question. The evaporation of water is a cooling process, hence when we sweat, we cool off.
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What are some good questions for water evaporation?
it could be " how does water evaporate? " or " when is evaporation formed? "
When the sun's heat turns to liquid water into water vapor we call it?
Transpiration
Water moves from land to the atmosphere through?
The movement of water from the ocean to the atmosphere, to the land, and back to the ocean is called the water cycle. The water cycle consists of evaporation, condensation, precipitation, and collection.
What are some every day examples of evaporation?
The disappearance of the wet on sidewalks after a rain is caused by evaporation.The cool feeling you get when you sweat after exercise then get in a breeze or in front of a fan is caused by evaporation. When water evaporates it cools the remaining water -- in this case cooling you in turn.When the standing water on roads and in ditches goes away, it evaporates.Water based glues, like Elmer's White Glue, dry by evaporation.When a ice tea glass sweats and leaves a ring of water and it's gone by the next day. The water has evaporated.Latex (water based) paint dries by evaporation (other curing occurs after the water evaporates).
In what process does water move from the air to the land?
Evaporation is the process where water moves from the air to the land.
Why does the evaporation of water cool the air near the water's surface?
Evaporation is an endothermic process.
Does evaporation when water is warm or cool?
Water is evaporated at any temperature but a high temperature favors evaporation.
The water cycle controls precipitation and what other part of the water cycle in a city?
Because it is cool
How leaves cool the tree?
leaf of a tree have water on them always and when evaporation takes place it will cool the plant
When can cool water evaporate?
Water is evaporated at any temperature but a high temperature favors evaporation.
Why does water cool down quicker in a tray with a larger surface area?
Evaporation.
How does ammonia water cool the body?
Evaporation. The ammonia evaporates faster than the water and cools the skin.
When a person perspires which part of the water cycle is he or she directly depending on to keep cool?
evaporation
How does water kept ina earthen pot become cool during summer?
By evaporation
How does hot water go from hot to cool?
Heat loss. Conduction, evaporation, and radiation.
In domestic pitcher why water get cool?
water in pitcher becomes cool because pitcher has small pores on its surface and the water evaporates from pores by using heat of water. in this way evaporation takes the heat and water in the pitcher becomes cool
Why placing a damp towel over a fan will increase its ability to cool a room?
This is due to evaporation. The water will cool the air as it passes over it.
