Explain how water changes into water vapour and how clouds are formed from it?

Question: Explain how water changes into water vapour and how clouds are formed from it?

Water changes into water vapor through a process called evaporation. Evaporation occurs when heat energy from the sun or another heat source causes the water molecules to become more energetic and escape from the surface of the liquid water into the air as water vapor. This water vapor then rises into the atmosphere and cools down, which causes it to condense into tiny water droplets or ice crystals. These droplets or crystals can come together and form clouds.

Clouds are formed when moist air rises and cools down, causing the water vapor in the air to condense into small droplets or ice crystals. The process of cloud formation involves three stages:

Saturation: Air becomes saturated when it reaches its dew point temperature, which is the temperature at which the air can no longer hold all of its water vapor.

Condensation: When air becomes saturated, the excess water vapor condenses into tiny water droplets or ice crystals.

Nucleation: Condensation can only occur on a surface, such as a dust particle or salt crystal, which provides a surface for the water droplets or ice crystals to form on. These surfaces are called nuclei, and they provide a starting point for the formation of clouds.

As these water droplets or ice crystals come together, they can grow larger and form into clouds. The type of cloud that forms depends on the temperature and humidity of the air, as well as the air pressure and wind conditions.

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