Where do convection current occur?
Where do convection current occur?
the mantle
Convection currents, that occur within the molten rock in the mantle, act like a conveyor belt for the plates. Tectonic plates move in different directions. The direction of movement and type of plate margin is determined by which way the convection currents are flowing.
Does convection currents take place?
Convection process only happens in the fluids i.e. in liquids and gases. Due to this temperature difference, the hot fluids tend to rise, whereas cold fluids tend to sink. This creates a current within the fluid called Convection current. The mantle within the earth’s surface flows due to convection currents.
What are the purpose for convection cells?
A convection cell is a system in which a fluid is warmed, loses density and is forced into a region of greater density. The cycle repeats and a pattern of motion forms. Convection cells in Earth’s atmosphere are responsible for the blowing of wind, and can be found in a variety of other natural and manmade phenomena.
What are convection currents and why are they so important?
Convection currents are important because they drive plate tectonics, influence the wind and ocean currents. Plate Tectonics Convection currents are responsible for the movement of tectonic plates on the crust of the Earth. Large convection currents in the aesthenosphere transfer heat to the surface, where plumes…
What are 5 facts about convection currents?
Vertical circulation within a fluid that results from density differences caused by temperature variations. In meteorology, the process in which air, having been warmed close to the ground, rises. Within the Earth, the radiogenic heat release results in convective motions causing tectonic plate movements.
What are the convection currents and what causes them?
Convection currents are movements caused by temperature changes in liquid or gaseous bodies. In such bodies, warmer material tends to rise, displacing cooler matter, which is circulated elsewhere; the continuous movement created by this process is known as a convection cell.
What are convection currents and how do they happen?
Convection currents are the movement of fluid as a result of differential heating or convection. In the case of the Earth, convection currents refer to the motion of molten rock in the mantle as radioactive decay heats up magma, causing it to rise and driving the global-scale flow of magma.