Mantle convection is the slow creeping motion of Earth's rocky mantle caused by convection currents carrying heat from the interior of the earth to the surface while convection current in ocean in;...
it is what causes the earth crust to move: the magma is heated by the outer core the hotter magma becomes less dense and moves upwards to the crust therefore causing a mountain to form. its how the...
Convection currents work like a lava lamp, the heat source is at the bottom of the lamp (like the inner core). The hot material floats to the top. When the material gets to the top it cools down....