The idea that evaporation is a cooling process is a familiar and intuitive one. What sounds counter-intuitive at first is this claim: "Boiling is a cooling process". Explain how boiling is a cooling process. Make sure your explanation refers to latent heat (or "latent heat of vaporization", to be specific). What is the key difference between evaporation and boiling?
The idea that Boiling is a cooling process can better understand by understanding its mechanism. Boiling occurs when temperature of fluid under consideration reaches its saturation temperature at pressure at which fluid is currently is. Then , fluid starts boiling or evaporating but it need heat of evaporation which it absorbs from fluid itself and becomes vapor simultaneously rest of the fluid cools as it rejects its heat . Thus , there seems to be no difference between boiling and evaporation. The use of both term depends on different situation.
The idea that evaporation is a cooling process is a familiar and intuitive one. What sounds...