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Circulating movement in which hotter, less dense material rises and cooler, denser material sinks, transferring heat.

Continued heating and cooling can therefore produce a circulating movement called a convection current.

The very slow circulation of mantle material that transfers heat as warmer, less dense material rises and cooler, denser material sinks.

Circulating movement in which hotter, less dense material rises and cooler, denser material sinks, transferring heat.

Continued heating and cooling can therefore produce a circulating movement called a convection current.

The very slow circulation of mantle material that transfers heat as warmer, less dense material rises and cooler, denser material sinks.

Convection current