Water Cycle
Water Cycle: Overview
This topic covers concepts, such as Water Cycle, Evaporation in Water Cycle, Evaporation from Clothes, Evaporation as a Method of Separation, Evaporation in Open Sources of Water, Factors Affecting Evaporation, etc.
Important Questions on Water Cycle

Write the name of the process taking place in the following event.
Water disappearing from a container on a hot day.

Colour the picture. Name the process going on. What are the words which should come in place of and ?
1. ______
2. ______.


Why does the water in the glass placed under the sun decrease?

It was a very hot day. Priya and Sam decided to keep a bowl of water outside for birds to drink. After a few hours, Priya noticed that there was no water in the bowl. She felt very confused as they had not spotted any bird.
If no bird came to drink the water, then what do you think could have happened to it?

The process by which we dry wet clothes in sunlight is known as? (Evaporation / Condensation)





Clouds are formed due to _____ of water vapours and then water returns to the water bodies as rain.

Water from water bodies rises up in the form of water vapours formed by _____.




How is ground water affected by the cultivation of paddy?

What happens to the water in the water bodies when it receives heat from the sun?


Name the process of changing the water into vapour form.
