what is a convection
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The movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.
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CONVECTION The transfer of heat in liquids and gases take place by a process called convection.
In this process, the molecules move from hotter part to the colder part is called CONVECTION CURRENT.
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