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How does a convection current move rock

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10y ago

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What way does air move in a convection current?

In a convection current, air molecules near a heat source become energized and rise due to lower density. As these molecules cool, they become denser and sink back down, creating a circular motion of air flow known as a convection current.


Where is a mantle convection current most likely to move upward?

A mantle convection current is most likely to move upward at divergent plate boundaries such as mid-ocean ridges. Here, the heat from the Earth's interior causes the mantle material to rise, creating new crust as it cools and solidifies.


Why does molten rock in earth's mantle rise to the lithosphere in a convection current?

Molten rock in the Earth's mantle rises to the lithosphere due to convection currents driven by heat from the Earth's core. As the mantle material heats up, it becomes less dense and rises, while cooler, denser material sinks. This continuous cycle creates a convection current that facilitates the movement of molten rock toward the lithosphere, where it can lead to volcanic activity or contribute to the formation of new crust.


What force causes warm molten rock to move upward to the mantle?

The driving force for the upward movement of warm molten rock in the mantle is primarily buoyancy. As molten rock is less dense than the surrounding solid rock, it rises due to its buoyancy forces. Additionally, convective currents within the mantle, driven by heat from Earth's core, also play a role in the movement of molten rock.


The parts of convection current in the mantle are related to plate motions?

Waves is the part of convection current. This is the mantle and is related to plate motions.