21st November 2019


What is the cause of convection in the atmosphere?

Weather activity happens when wet air goes up into the atmosphere and cooler air comes down from the atmosphere. One cause of rising air in our atmosphere is from the process called convection. Warm air rises above cold air by convection. Clouds form when water vapor condenses and molecules cling to each other.

Then, what are the convection currents and what causes them?

In astronomy convection currents occur in the mantle of the Earth, and presumably some other planets, and the convection zone of the sun. Inside of the Earth, magma is heated near the core, rises toward the crust, then cools and sinks back toward the core.

Why do convection take place?

Convection occurs when particles with a lot of heat energy in a liquid or gas move and take the place of particles with less heat energy. Heat energy is transferred from hot places to cooler places by convection. Liquids and gases expand when they are heated.

What are the main causes of convection currents in the atmosphere?

Lighter (less dense), warm material rises while heavier (more dense) cool material sinks. It is this movement that creates circulation patterns known as convection currents in the atmosphere, in water, and in the mantle of Earth. In the atmosphere, as air warms it rises, allowing cooler air to flow in underneath.
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