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As I'm sure you know if you asked "how," convection currents are the cycle of hotter matter rising, then falling as it cools down. In the earth, as the mantle, which is quite soft/fluid-like, heats near the core, it rises toward the surface - the crust. Near the crust, it is much cooler than the 2520-5400*F mantle, and the matter of the mantle falls.

Because the tectonic plates lie on top of the mantle, the movements inside the Earth move the plates as well, causing the tectonic movement that is observed over milennia.

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Related Questions

How does the convection currents cause te crust of the Earth to move?

Because the convection currents involve the Earth's crust.


What is the mechanical layer of earth that has the most active convections currents?

The Earth's core.


What will happen to the convections currents in the mantle if Earth's interior eventually cools down?

the convection currents will stop


Why is earth's crust in constant motion?

Convection currents of heat underneath the earth's crust in the mantle (magma) cause the tectonic plates of the earth's crust to move.


Is the Earth's crust is in motion?

Convection currents of heat underneath the earth's crust in the mantle (magma) cause the tectonic plates of the earth's crust to move.


Why is the Earth's crust in constant in motion?

Convection currents of heat underneath the earth's crust in the mantle (magma) cause the tectonic plates of the earth's crust to move.


Are winds examples of convection currents?

Yes, winds are examples of convection currents. The uneven heating of Earth's surface by the sun creates temperature variations that cause air to rise and fall, creating convection currents that result in winds.


What would happen when the earth's interior eventually cools down?

a the convections currents of earth would slow down and eventually stop. by the way, I'm 12


What moves the Earth's crust?

Convection currents.


What moves earth crust?

Convection currents.


Why is the earth's crust in constant motion?

The Earth's crust is in constant motion because of plate tectonics. The movement is driven by heat and convection currents in the Earth's mantle, which causes the rigid outer layer to break apart and move around. This movement leads to the formation of mountains, earthquakes, and volcanic activity.


What pushes and pulls in the Earth's crust?

Seismic currents in the earth's mantle.