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How does the water kept in an earthen pot (matka) become cool during summer?



An earthen pot has a large number of tiny pores on its body. 

Hence, a small amount of water seeps out from these pores a nd gets evaporated from the surface. 


The heat required for  evaporation  comes from water inside the pot

Hence, the water inside the earthen pot keeps losing heat, thus remaining cool.

Thus, water kept in an earthen pot (matka) becomes cool during summer.

mall amount of water evaporates through pores in matkas resulting in cooling-Teachoo-01.jpg


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CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Accounts and English at Teachoo