10 examples of EVAPORATION CAUSES COOLING with reason
Answers
• If you wet your fingers with alcohol, you can feel the chill as wind blows.
• During hot summers,the water is usually kept in the earthern pot to keep it cool.Water is cooled in the pot since the surface of the pot contains large pores and water seeps via these pores to outside of pot. This water evaporates and takes the latent heat for vaporisation hence retaining the water inside pot to be cooled.
• Especially in villages,people often sprinkle water on the ground in front of their homes during hot summers.
• Water vaporisation from leaves of trees also cools the surroundings.
• A desert cooler cools better on a hot and dry day.
• It is a common observation that we are able to sip hot tea(or milk) faster from a saucer than from a cup.
• Wearing cotton clothes in summer days to keep the body cool and comfortable.
• Put a little of spirit on your hand and wave around, the spirit evaporates rapidly and our hands feels cooler.
• We sweat to cool (evaporation).Refrigeration works on the same principal.
• Dogs putting their tongues out and panting to keep cool(evaporation) Unglazed earthenware pottery will chill liquids because they allow the liquid to seep which then allows evaporation, causing cooling.
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1.when tea is poured into a saucer when it is very hot it is exposed to a large area and causes evaporation n the tea becomes cool.
2.In summer seasons the water gets cool in a earthen pot because it has fine pores in it through which water seeps out gets evaporated .
3.when we sweat n sit under a fan we feel cool .
4. doctors advice patients with fever to keep a wet on their fore head.
5. A wet khus khus screen hung at the door of the room keeps the room cool.
6.Water vaporisation from leaves of trees also cools the surroundings.
7.A desert cooler cools better on a hot and dry day.
8.Especially in villages,people often sprinkle water on the ground in front of their homes during hot summers.
9.Put a little of spirit on your hand and wave around, the spirit evaporates rapidly and our hands feels cooler.