Convection transfers heat through the air. As the air heats, it rises. Cooler air below moves in, heats up and rises. As the risen air cools, it becomes denser and falls. This circular flow of air creates a convection current.
Convection transfers heat through the air. As the air heats, it rises. Cooler air below moves in, heats up and rises. As the risen air cools, it becomes denser and falls. This circular flow of air creates a convection current.