Question 1 (a)
Fill up the blank in the following:
The process of changing of water into its vapour is called
The process of changing of water into its vapour is called evaporation.
When there is an increase in the temperature, the water present in oceans, seas, rivers changes its form from liquid to gas or vapour and rises up into the air.This process of conversion of water from its liquid form (state) into vapour or gaseous form (state) is known as evaporation.