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Hot air balloons operate on the principle of convection currents by heating the air inside the balloon with a burner. As the air inside the balloon warms up, it becomes less dense than the cooler air outside, causing the balloon to rise. This difference in density creates an upward buoyant force, allowing the balloon to ascend. When the air inside cools, it becomes denser, and the balloon descends as the heated air rises and cools down, creating a continuous cycle of convection.

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3w ago

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What do convection currents look like?

Convectional currents look like a cycle. For example, if you have a radiator in a room, it will heat the air around it. That hot air will rise up and then cold air will replace it. This goes round and round in a cycle. This cycle of warm air rising and cool air falling is called convectional current. This current happens in only liquid and gas.


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