Water Cycle

Water is very important for all living beings. Water cycle also called hydrologic cycle, the continuous journey water takes from the sea, to the sky, to the land and back to the sea. It is one of the most interesting environmental cycles to learn about. This cycle is consist of four stages, which are evaporation, condensation, precipitation, and collection.

Evaporation

Water from the earth (in oceans, lakes etc) is heated by the sun  which causes it to change into a gas and rise into the sky. This water vapor collects in the sky in the form of clouds.

Condensation:

Water vapor in the clouds cools down and changes back into water again, this process is called condensation.

Precipitation:

Water has condensed and the clouds has became heavy. Water falls from the sky in the form of rain, snow, hail, or sleet.

Collection:

Oceans and lakes collect water that has fallen. Water evaporates into the sky again and the cycle continues.

Plants also contribute to the process of evaporation by way of transpiration. Plants may release some water on to their leaves which gets evaporated owing to the Sun’s heat. Sometimes water may convert directly into a gaseous state like water vapours from snow or ice without first melting into liquid. This process is called sublimation.

Water Cycle Activity

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