explain briefly the formation of convection currents in a fluid
Misha01:
Heat added low down in a body of fluid (gas or liquid) causes some of the fluid to warm up. Because it's warmer, it's also less dense and so starts to rise through the body of the fluid like a hot-air balloon, except without the skin.
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The liquid or gas in hot areas is less dense than the liquid or gas in cold areas, so it rises into the cold areas. The denser cold liquid or gas falls into the warm areas. In this way,convection currents that transfer heat from place to place are set up.
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