September 3, 2011

4.7 Convection

Describe the role of convection in everyday phenomena.

There are several examples of convection that we come to contact with every day.
An example of convection is the motion of air in your room when you have a radiator on, the radiator warms the air close to the radiator so it rises up and away. Cold air from below takes its place and is in turn heated. As this air moves away from the radiator it cools, and therefore falls and return back to the radiator in a circular motion. The diagram below shows this principle.

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