Which statement is correct about the flow of thermal energy inside EarthEnergy flow inside the mantle causes magma to sink deeper.
Energy flow inside the mantle causes magma to sink deeper.
Energy flow inside the mantle causes magma to rise.
Energy flow inside the mantle causes magma to rise.
Energy flow inside the crust causes magma to rise.
Energy flow inside the crust causes magma to rise.
Energy flow inside the crust causes magma to sink deeper.
Energy flow inside the crust causes magma to sink deeper.
Where do convection currents happen?
mantle - correct
Which statement is correct about the movement of plates that sit on top of the mantle?
They regularly move because of the convection currents of magma. - not selected, this is the correct answer
Which statement is correct about the flow of thermal energy inside Earth?
Energy flow inside the mantle causes magma to rise. - not selected, this is the correct answer
Which is a result of boundary plates colliding or sliding past each other?
earthquakes occur - correct
Energy flow inside the mantle causes magma to rise
To determine the correct statement about the flow of thermal energy inside Earth, we need to understand the process of convection. Convection is the transfer of heat within a fluid (in this case, the Earth's mantle and crust) through the movement of the fluid itself.
The Earth's mantle is a thick layer of hot, semi-solid rock located beneath the crust. It is in a constant state of convection due to the circulation of heat. The flow of thermal energy inside the mantle causes the movement of magma.
Based on this understanding, we can eliminate the statements that say energy flow inside the crust causes magma to rise. This is because the crust is above the mantle and does not directly affect the movement of magma.
Now we need to determine whether energy flow inside the mantle causes magma to sink deeper or rise. Magma is less dense than the solid rock of the mantle, so when it is heated, it becomes less dense and tends to rise. As it rises, it undergoes cooling and solidification, which eventually leads to the formation of new crust. The sinking of cooler, denser magma then occurs in the regions where older crust descends into the mantle in a process known as subduction.
Considering these factors, the correct statement is: Energy flow inside the mantle causes magma to rise. This flow of energy leads to the convection currents that drive the movement of magma in the Earth's mantle.
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