Question

1. Explain water cycle with the help of a labelled diagram.
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Answer 1

Answer:

Precipitation is a vital component of how water moves through Earth’s water cycle, connecting the ocean, land, and atmosphere. Knowing where it rains, how much it rains and the character of the falling rain, snow or hail allows scientists to better understand precipitation’s impact on streams, rivers, surface runoff and groundwater. Frequent and detailed measurements help scientists make models of and determine changes in Earth’s water cycle. The water cycle describes how water evaporates from the surface of the earth, rises into the atmosphere, cools and condenses into rain or snow in clouds, and falls again to the surface as precipitation. The water falling on land collects in rivers and lakes, soil, and porous layers of rock, and much of it flows back into the oceans, where it will once more evaporate. The cycling of water in and out of the atmosphere is a significant aspect of the weather patterns on Earth.

Answer 2

The Water Cycle shows the endless movement of water within the Earth and atmosphere.

The water cycle is a complex system that comprises many different processes which are:-

• Liquid water evaporates to form a water vapour process known as Evaporation and condenses for the formation of clouds known as Condensation, and precipitates back to earth in the form of rain and snow known as Precipitation and water in various phases moves through the atmosphere which is known as transportation.

• Liquid water flows across land known as runoff, into the ground called infiltration and percolation, and through the ground known as groundwater. Then Groundwater moves into plants which means plant uptake the water and that water is evaporated from plants into the atmosphere that process is known as Transpiration. Solid ice and snow convert directly into a gas called Sublimation. Sometimes water vapour becomes solid which is known as a Deposition.

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