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What happens to the crust at the top of one of the convection currents in the mantle?
At the top of a convection current in the mantle, the crust can either be pushed upward to form mountains or pulled apart to create rift valleys, depending on the nature of the current. As hot mantle material rises, it can cause the overlying crust to bulge, leading to tectonic activity. Additionally, when the convection current cools and sinks, it may create subduction zones where crust is pulled down into the mantle. This dynamic process contributes to the movement of tectonic plates and is essential in shaping the Earth's surface.
Explain how convection takes place in the mantle?
Convection in the mantle occurs due to the heat generated from radioactive decay and the residual heat from the Earth's formation. This heat causes the mantle material to become less dense, leading to upward movement. As the material cools near the surface, it becomes denser and sinks back down, creating a circular motion of convection currents.
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.
In mantle convection currents hotter rock moves upward or downward?
In mantle convection currents, hotter rock moves upward. This occurs because hot rock is less dense than cooler rock, causing it to rise towards the Earth's surface. As it reaches the upper mantle and cools, it becomes denser and eventually sinks back down, creating a continuous cycle of movement within the mantle. This process plays a significant role in plate tectonics and the overall dynamics of the Earth's interior.
How does hot spot form?
A hot spot is formed on a point of the earths surface where strong upward convection currents or plumes of hot magma in the upper mantle push up below the plates of the lithosphere causing volcanic activity. no it doesn'twhen the mantle is weak
What cause molten rock to move upward in the mantle?
Convection. E2020
What happens to the crust at the top of one of the convection currents in the mantle?
At the top of a convection current in the mantle, the crust can either be pushed upward to form mountains or pulled apart to create rift valleys, depending on the nature of the current. As hot mantle material rises, it can cause the overlying crust to bulge, leading to tectonic activity. Additionally, when the convection current cools and sinks, it may create subduction zones where crust is pulled down into the mantle. This dynamic process contributes to the movement of tectonic plates and is essential in shaping the Earth's surface.
What happens to warmer in a convection current?
warmer material will move upward were it cools then fall back to the bottom so it can start the cycle (convection current) once again
What happened to warmer material in a convection current?
warmer material will move upward were it cools then fall back to the bottom so it can start the cycle (convection current) once again
Explain how convection takes place in the mantle?
Convection in the mantle occurs due to the heat generated from radioactive decay and the residual heat from the Earth's formation. This heat causes the mantle material to become less dense, leading to upward movement. As the material cools near the surface, it becomes denser and sinks back down, creating a circular motion of convection currents.
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.
How does the mantle get energy to move in convection currents?
The mantle gets energy to move in convection currents from the heat generated by the radioactive decay of elements within the Earth's interior. This heat causes the mantle material to become less dense, leading to its upward movement. The cooler, denser material then sinks back down, completing the convection cycle.
In mantle convection currents hotter rock moves upward or downward?
In mantle convection currents, hotter rock moves upward. This occurs because hot rock is less dense than cooler rock, causing it to rise towards the Earth's surface. As it reaches the upper mantle and cools, it becomes denser and eventually sinks back down, creating a continuous cycle of movement within the mantle. This process plays a significant role in plate tectonics and the overall dynamics of the Earth's interior.
What is the movement in both the Earth's engines of heated material upward and cooled material downward an example of?
convection current
Density causes hot plastic-like rock to be forced upward towards the surface to cool and then sink. This cycle is called a current?
convection current
What is a force that pushes the heated rock upward?
The force that pushes heated rock upward is typically convection currents in the mantle. As rock near the Earth's core heats up, it becomes less dense and rises towards the surface. This movement creates pressure that pushes the rock upward.
What direction do convection currents-move?
Convection currents move in upward direction
