Water

The process of changing water vapour into water is called ....................

Water vapours enter the air (or atmosphere) by which of the following processes? (a) Evaporation of ocean water (b) Transpiration occurring in plants (c) By evaporation of sweat of animals (d) All of the above

Water vapour condenses to form tiny droplets of water in the upper layers of air where it is cooler. ( )

Water evaporates into air from oceans, rivers and lakes but not from the soil. ( )

Excessive rains may cause .................... .

The process of changing of water into its vapour is called .................... .

Fill in the blanks selecting words from the following list snow, rain, clouds, vapour, evaporation, transpiration. Water, as ............. goes into atmosphere by the processes of ............. and ............. and forms ............., whi

What percentage of water is readily available to us? (a) 3% (b) 97% (c) 60% (d) 40%

No rainfall for a year or more may lead to .................... in that region.