Near the ceiling of a room the air is warmer. The warm air rises because of
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Answer:
As air is heated, it expands (as do all objects). As it expands, it becomes lighter then the surrounding air and it rises. (This is why the air near the ceiling of a heated room is warmer than that near the floor.) The cooler air rushes in from the sides.
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Convection
Explanation:
Convection is the transfer of heat by the physical movement of hot masses of air. As air is heated, it expands (as do all objects). As it expands, it becomes lighter then the surrounding air and it rises. (This is why the air near the ceiling of a heated room is warmer than that near the floor.)
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