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Why does the earth's crust sit on top of the mantel?
The outer core is composed of molten iron and nickel, which is much denser than the material that composes the mantle. So, in a sense, the mantle floats on top of the core just as the crust floats on top of the mantle.
Earth's crust and its upper mantle is called?
The lithosphere is the crust Moho and upper mantle. It floats on a plasticity zone called the asthenosphere.
How far is the mantle away from the crust of the earth?
The mantle is located directly beneath the Earth's crust and is approximately 1,800 miles (2,900 kilometers) thick. The boundary between the crust and the mantle is known as the Mohorovičić discontinuity or Moho.
What sphere extends from earths core to earths crust?
The sphere that extends from Earth's core to Earth's crust is known as the mantle. It is a layer of solid rock that lies between the core and the crust, making up the majority of Earth's volume. The mantle is divided into the upper mantle and the lower mantle based on depth and composition.
Does the crust have the lightest weight rocks?
No, the Earth's crust is made up of relatively light rocks like granite, but the mantle below the crust is denser. The crust floats on the semi-fluid mantle due to differences in density.
Why does water float on Earth's surface?
Oceanic crust is denser than continental crust, it floats lower in earths mantle.
What does the crust float on?
The crust rides or floats on the mantle. :)
The crust floats on the mantle because?
the crust(~2.7g/cm3) is less dense than the mantle(~3.3 g/cm3)
What is isostatic equilibrium?
Isostatic equilibrium is the balance between Earth's crust and the layer of mantle it floats on. The denser the crust is, the more it sinks into the mantle. Equilibrium is achieved when the crust floats at a certain level in the mantle.
What is under the earths surface and in the earths crust?
mantle
Is earths mantle hotter or cooler than the crust?
The mantle is hotter than the crust.
What is the layer that floats above the earths core?
The layer that floats above the Earth's core is the mantle. The mantle is a thick layer of solid rock that lies between the core and the Earth's crust. It is responsible for the movement of tectonic plates and plays a crucial role in Earth's geology.
Does the mantle support the Earths crust?
yes it does.
What is the large piece of the earths crust?
the mantle
What is the earth's crust the thickest?
the area of of earths crust that is the thickest is the mantle.
What is the area of the Earth's crust?
the area of of earths crust that is the thickest is the mantle.
Why doesnt the crust fall into the mantle and burn up?
the crust is lighter and less dense than the mantle...thus it floats on top.
