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What is the name given to the area where volcanoes often occur because convection in the earths mantle produces a column of magma that rises into the crust?
hotspots
When solid rock in the earths mantle melts it forms a liquid rock known as?
Magma
Does all magma come from the earths core?
No, not all magma comes from the Earth's core. Magma can also originate from the mantle, which is the layer beneath the Earth's crust. The heat and pressure from the mantle can cause rocks to melt and form magma, which can then rise to the surface as volcanic eruptions.
What cause the motion of the plates?
Radioactive decay within the deep interior of the Earth causes convection currents in the magma of the mantle. The continental plates float on top of the mantle, and the currents push them. That is why continents drift.
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 name is given to the area where volcanoes often occurs because convection in the earths mantle produces a column of magma that rises into the crust?
hotspots
What is the name given to the area where volcanoes often occur because convection in the earths mantle produces a column of magma that rises into the crust?
hotspots
Which of the following is part of the Earths lithosphere SoilMagma None of these Mantle, magma, and soil Mantle?
Mantle is part of the Earth's lithosphere.
What is the rock of earths mantle?
plate tectonic and magma
What is used to describe the continuous heating and cooling of magma in the mantle?
The process of continuous heating and cooling of magma in the mantle is known as magma convection. This movement of molten rock helps distribute heat and promote mixing within the mantle, influencing volcanic activity and plate tectonics.
What provides the force that causes magma to the surface?
Magma is propelled to the surface by temperature differences, which cause convection currents. The temperature differences result from radioactive elements within the mantle.
When solid rock in the earths mantle melts it forms a liquid rock known as?
Magma
How can mantle flow because its made of hot liquid magma?
Magma in the mantle moves in a current called a convection current. A convection current is a circular flow of a substance in which a hot substance rises, cools, sinks, gets hot again, and repeats. In this way, magma in the mantle flows in currents of more hot or more cool magma.
When rocks return to earths mantle to earths mantle they can eventually melt and become magma. and are the main factors that control this change.?
heat and pressure
What is the opening on earths surface where magma from the mantle rises and flows out?
Valcano
What is a molten rock from earths mantle?
If it were molten, it would be called magma.
is it true magma forms in the deeper regions of earths mantle?
yes
