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Q: What cause molten rock to move upward in the mantle?
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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.


What force cause warm molten rock to move upward in the mantle?

When a tectonic plate reaches a certain depth in the mantle, the heat and pressure from being so close to the Earth's core causes certain parts of the plate to melt. The section of the plate that has melted becomes lighter in weight than the rocks surrounding it. This causes it to rise and move upwards in the mantle.


What is the partially molten layer of the mantle called?

The partially molten layer of the mantle is called the asthenosphere. This zone is partially molten and allows tectonic plates to move on top of it.


What happen to the crust when the molten rocks move upward?

When molten rocks move upward, they can break through the crust, creating volcanic eruptions and forming new landmasses. This process is part of plate tectonics where the movement of molten rock, or magma, plays a key role in shaping the Earth's surface.


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.


How do the divided plates in the earth's upper mantle move?

Tectonic Plates are floating on the semi-molten Mantle. Currents in the molten layer, eruptions of new lava round the edges, and the forming of deep ocean volcanic ridges, help to move the plates across the Earth's surface.


What may be the main cause of the plates to move?

The main cause of plate movement is believed to be convection currents in the Earth's mantle. These currents are driven by the heat generated from the decay of radioactive elements and cause hot magma to rise and cooler rock to sink, creating movement in the overlying tectonic plates.


What makes the plate move?

Plates move because of the intense heat in the Earth's core. The heat causes molten rock in the mantle layer to move.


Tectonic plates move by sliding on the molten upper part of the?

Earth's mantle, in a process called plate tectonics. This movement is driven by the heat generated from the core of the Earth, causing the plates to grind against each other or move apart, leading to earthquakes, volcanic eruptions, and the formation of mountains. The molten upper part of the mantle, known as the asthenosphere, acts as a lubricant allowing the plates to slide on it.


What layer of the earth has convection currents that cause tectonic plates to move?

The asthenosphere, which is a partially molten layer in the upper mantle, has convection currents that cause tectonic plates to move due to the heat-driven circulation of rock material. These convection currents are responsible for the continuous motion of tectonic plates on the Earth's surface.


What is the ocean of molten rock on which the continents float called?

The ocean of molten rock beneath Earth's crust is called the mantle. The movement of the molten rock in the mantle is responsible for driving the motion of tectonic plates, which are like giant puzzle pieces that make up Earth's surface.


Why is it that the mantle can easily move?

cause i rock y do u think