Question

Why does the water kept in earthern pot become cool in summer?

Answer 1

earthern pot is a cool substance it is used to cool water from many time mud is cool so it takes the water inside also cool
in summer when you place earthern pot in shadow it cools the water
so water taken in earthern pot become cool in summer

Answer 2

Explanation:

an earthen pot contains many small pores water seeps out through this and evaporates form the surface of the pot. this energy needed for evaporation is taken from the water kept in the earthern pot. as a result water kept in pot becomes cool