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Convection is the movement caused within a fluid by "warm currents". The hotter fluid will rise, pushing the cooler fluid down, which then in turn gets heated, creating a continuous cycle.
Convection
true
Convection is transferred by the larger-scale motion of currents in the fluid.
"Convention"? I think you mean "convection" currents, and they will die away quite rapidly as the fluid and its container cool.
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The difference in temperature and density is the cause of convection currents in the earths mantle. Convection currents are the flow that transfers heat within a fluid.
The difference in temperature and density is the cause of convection currents in the earths mantle. Convection currents are the flow that transfers heat within a fluid.
The difference in temperature and density is the cause of convection currents in the earths mantle. Convection currents are the flow that transfers heat within a fluid.
Convection currents.
As the fluid warms:The currents speed upThen as the temperatures of the fluid equalise (the fluid becomes one temp) the currents slow downWhen the fluid is one temperature the currents stop
Nothing actually happens to convection currents when heat is no longer supplied. The currents are produced by applying heat, most often to the bottom. The warmed fluid is 'lighter' than the cold fluid surrounding so it rises to allow colder fluid to replace it and be heated. As soon as the heat is removed, all the fluid rapidly comes to a single temperature and convevtion does not happen! An opposite effect happens when cold air sits on the surface of a lake. In this case the water at the surface cools, gets 'heavier' and sinks. In this case the convection currents operates downwards.
Nothing actually happens to convection currents when heat is no longer supplied. The currents are produced by applying heat, most often to the bottom. The warmed fluid is 'lighter' than the cold fluid surrounding so it rises to allow colder fluid to replace it and be heated. As soon as the heat is removed, all the fluid rapidly comes to a single temperature and convevtion does not happen! An opposite effect happens when cold air sits on the surface of a lake. In this case the water at the surface cools, gets 'heavier' and sinks. In this case the convection currents operates downwards.
Convection is the movement caused within a fluid by "warm currents". The hotter fluid will rise, pushing the cooler fluid down, which then in turn gets heated, creating a continuous cycle.
Convection
true