Dekho! Yahan paani jheel mein, nadi mein, aur samudra mein, har jagah hai. Jab suraj ki garmi paani ko chhuti hai, toh chhote chhote, najuk se vapor uth-te hain. Iss ko evaporation kehte hain. Yeh vapor ooper utt-te hain, aur thande hokar, badal banate hain. Iss process ka naam hai condensation. Aur phir, baarish hoti hai! Yeh paani phir nadiyon aur jheelon mein wapas chala jaata hai. Baarish ke baad, sab kuch fresh aur khoobsurat lagta hai. Aur yeh poora chakr — evaporation, condensation, aur precipitation — chalta rehta hai. Iss ko hum kehte hain water cycle. Aur kal phir, yeh kahaani shuru hogi.