Essay on Rain
Introduction and meaning: Rain is the drops of water that fall on the earth from the cloud. Rainfall is defined as fall of innumerable drops of water (rain) at a time on the earth surface.
Causes of rain: Water from seas, ocean, river, lakes, canals, ponds etc. get vaporized due to the heat of the sun. This vapor rises up and comes in contact with cold air and condenses in the form of cloud
When this cloud, is cooled further, it cannot float in space and falls down on the earth surface as rain by the gravitational attraction of the earth.
How rainfall is measured? The amount of rainfall at any place is measured by an instrument called rain-gauge. Rainfall is generally measured in inches or centimeters.
Classification
Rainfall on the surface of the earth may be classified into three kinds according to the causes of origin, characteristics and nature. There are: