NCERT Solutions for Class 6 Science Chapter 14
Important NCERT Questions
Class 6th Chapter 14 Water
NCERT Books for Session 2022-2023
CBSE Board and State Board
Questions No: 7
How are clouds formed?
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Evaporation take place from water surface,water vapour gets added to air thid vapours go high to atmosphere an get cooler and apper to us as a cloud
During day time, on being heated, a large amount of water evaporates from various water bodies and goes into the air. A part of this water vapour also reaches the atmosphere through biological activities such as transpiration and respiration. This causes the air in the atmosphere to heat up.
When this heated air rises, it expands and cools, which results in the condensation of water vapour forming water droplets. The presence of dust and other suspended particles in air also facilitates the process of condensation. The formation of water droplets leads to the formation of clouds.
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Evaporation takes place from all open surfaces of water. As a result, water vapour gets continuously added to air. As these vapours go higher from the surface of the earth, it gets cooler and cooler. At sufficient heights, the air becomes so cool that the water vapour present in it condenses to form tiny drops of water called droplets. It is these tiny droplets that remain floating in air and appear to us as clouds.
https://www.tiwariacademy.com/ncert-solutions/class-6/science/chapter-14/