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The earth is made out of a number of different layers and though we live on the crust of the earth.
Convection current mantle convection diagram. Convection currents the movement caused within a fluid by hotter and therefore less dense material to rise and colder denser material to sink under the influence of gravity. Heat rising and falling inside the mantle creates convection currents. The mantle within the earth s surface flows due to convection currents. Start studying convection currents.
Learn vocabulary terms and more with flashcards games and other study tools. The crust moves because of movements deep inside the earth. These currents are mainly caused by a very hot material present in the deepest part of the mantle which rises upwards then cools sinks again and again repeating the same process of heating and rising. Diagrams of convection cells in nbsp understood plate tectonics the main mechanism for moving the plates was thought to be convection currents in the mantle.
The earth s crust is broken up into pieces called plates. Convection currents beneath the earth 39 s surface. Convection currents are the movement of fluid as a result of differential heating or convection. Mantle convection is the very slow creeping motion of earth s solid silicate mantle caused by convection currents carrying heat from the interior to the planet s surface.
The earth s surface lithosphere rides atop the asthenosphere and the two form the components of the upper mantle the lithosphere is divided into a number of tectonic plates that are continuously being created or consumed at. Theory that the earth s crust is divided into tectonic plates which move around due to convection currents in the mantle.
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