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Conditions inside a cloud are not static: water droplets are constantly forming and re-evaporating. Most water droplets are formed when water vapor condenses around a condensation nucleus, a tiny particle of smoke, dust, ash or salt. In supersaturated conditions, water droplets may act as condensation nuclei.
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The forming of water droplets and clouds in the atmosphere?
Water droplets and clouds form when water vapor in the atmosphere condenses onto tiny particles like dust or salt, creating small droplets. These droplets then stick together and grow in size until they are heavy enough to fall as precipitation. The process of cloud formation is influenced by temperature, air pressure, and the presence of condensation nuclei.
How does the gas form of water vapor differ from a cloud?
Water vapor is the gaseous state of water molecules in the atmosphere. A cloud is composed of tiny water droplets or ice crystals that have condensed from water vapor onto particles in the air. Essentially, a cloud is a visible mass of condensed water vapor in the atmosphere.
Which process causes clouds to form small particles of dust?
Cloud formation typically occurs when water vapor in the atmosphere condenses around tiny particles such as dust, salt, or smoke. This process, known as nucleation, provides a surface for water droplets to form and grow, eventually leading to the formation of clouds.
What are small particles in the air around which water vapor condenses?
Small particles in the air around which water vapor condenses are called condensation nuclei. These particles can include dust, pollution, salt crystals, or other tiny particles that provide surfaces for water vapor to collect and form into droplets. Without condensation nuclei, it would be more difficult for water vapor to condense into clouds, fog, or precipitation.
When the what and what are right the small droplets of water in clouds form larger droplets andprecipation occurs?
When the cloud reaches saturation level and the air can no longer hold the water vapor, small water droplets in the cloud combine to form larger droplets. When these droplets become heavy enough, they fall to the ground as precipitation, such as rain or snow.
