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How are clouds formed? Class 9 Science

How are clouds formed? Class 9 Science



How are clouds formed? Class 9 Science



Clouds are the white floating balls in the sky that resemble cotton. They are not, however, composed of cotton. Tiny water droplets or ice crystals float in the air, forming clouds. The evaporation process of the Sun causes the air to become moist or humid. The wet air above the Earth's surface is evaporated by the Sun. As the altitude goes higher, the water vapour in the air condenses, and droplets form. The droplets cease travelling when they reach a point in the atmosphere known as the dew point.

Snowdrops in the sky clump together to form huge droplets, which are made up of water molecules and are referred to be clouds. The tendency for millions of droplets to join clusters causes them to grow in size. The number of droplets in a cloud is determined by the temperature and pressure of the surrounding environment.

These clouds become denser and more saturated as they approach the Earth, resulting in rain.

That's how we get snow or hail, too. Water falls to the ground in the form of snow or hail when large water molecules fall to the ground due to freezing temperatures in an area, rather than raindrops.

The development of clouds is a continuous process that occurs as the air near the Earth's surface receives heat from the Sun, forcing it to rise and create clouds.



Lenticular and stratus clouds are clouds that blow on the edges of a mountain range or topography and are driven to rise into the atmosphere. When air is forced upwards in low-pressure zones, clouds form. Clouds such as Altocumulus, Cirrocumulus, Altostratus, and Stratus are formed as a result of this process.

Click to know more about Class 9 Science Clouds




Tag - CBSE Class 9 Science, Formation of clouds, school online class

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