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Is the sun the heat source for the convection currents in the mantle?
The heat in the Earth's interior comes from two main sources: the radiogenic heat produced by the radioactive decay of isotopes in the mantle and crust and the primordial heat left over from the formation of the Earth.
Convection currents within the Earth cause plate tectonics due to the movement of the mantle true or false?
No. Convection currents which could lead to volcanism in the crust occur in the mantle. The crust is too cold and brittle for convection currents to occur.
What are the answers to Pearson Prentice worksheet convection and the mantle?
1.convection 2.radiation 3.conduction 4. 5. 6.false 7.true 8.true 9.false 10. False
Does convection currents produce the heat in the Earths interior?
Convection currents transfer heat from Earth's core to the mantle, causing the mantle material to flow and create movement in the lithosphere. This movement generates heat due to friction and pressure. So, convection currents help distribute heat within Earth's interior rather than produce it.
Does convection currents in the oceans cause tectonic plates to move?
No, convection currents in the mantle beneath the Earth's crust are the main driving force for tectonic plate movement. These currents are caused by the heating and cooling of the mantle material, creating circulation patterns that push and pull on the plates above. While ocean currents can influence surface processes and climate, they do not directly cause tectonic plate movement.
The deep mantle is composed of material with a lighter density than the outer mantle?
The deep mantle is actually composed of denser materials compared to the outer mantle. These denser materials are mainly made up of silicate minerals rich in iron and magnesium, which contribute to the overall density of the deep mantle. This density variation plays a key role in the movement of material within the Earth's mantle through processes like convection.
True or false The lithosphere includes all of the core and part of the mantle?
False. The lithosphere is the rigid outer part of the Earth, consisting of the crust and upper mantle. The core is separate and located beneath the mantle.
Much of the upper mantle thought to be made of granite true or false?
False. The upper mantle is believed to be composed primarily of peridotite.
True or false in the mantle hot material sink while cooler materials rise?
True. In the mantle, hotter, less dense material rises toward the Earth's surface, while cooler, denser material sinks. This process is part of mantle convection, which drives plate tectonics and influences geological activity. The continuous movement helps distribute heat from the Earth's interior to its surface.
Convection currents produce the heat in the earths interior?
False.
The heat from the sun reaches Earth through convection true or false?
False. The heat from the sun reaches Earth through radiation, which is the transfer of energy through electromagnetic waves. Convection is the transfer of heat through the movement of fluids or gases.
Does the mantel contain soil?
No the answer is false the mantle does not contain soil
