What are the differences between the asthenosphere and the lithosphere?
The lithosphere (litho:rock; sphere:layer) is the strong, upper 100 km of the Earth. The lithosphere is the tectonic plate we talk about in plate tectonics. The asthenosphere (a:without; stheno:strength) is the weak and easily deformed layer of the Earth that acts as a “lubricant” for the tectonic plates to slide over.
What are 3 differences between the lithosphere and the asthenosphere?
The Lithosphere is composed of the crust and upper most solid mantle….Comparison of the Lithosphere and Asthenosphere.
| Lithosphere | Asthenosphere |
|---|---|
| Rocks are under much less pressure forces | Rocks are under immense pressure forces |
What are the properties of the lithosphere and asthenosphere?
In the lithosphere, the rocks are cooler, stronger, and more rigid than the asthenosphere. It is rock strength that differentiates the lithosphere from the asthenosphere. The differences in strength between rock in the lithosphere and rock in the asthenosphere is a function of temperature and pressure.
Do the lithosphere and asthenosphere have the same physical properties?
At the boundary where the lithosphere touches the asthenosphere, both layers have the exact same chemistry (we call this the same composition). The only difference is that the asthenosphere is not as brittle (not as solid) as the lithosphere, mostly because the asthenosphere is hotter.
What is the physical difference between the lithosphere and the asthenosphere quizlet?
The lithosphere differs from the asthenosphere because the lithosphere is the solid outer layer of the earth and the asthenosphere is below the mantle and made of slow flowing rock.
What are the properties of the asthenosphere that allow the movement of the lithosphere?
As the asthenosphere is hot and flowing, it is so because of the convection of heath from the innards of the earth. This offers quite a lubricating layer which allows the rigid plates of the lithosphere to slide easily.
How do the lithosphere and asthenosphere differ quizlet?
The lithosphere differs from the asthenosphere because the lithosphere is the solid outer layer of the earth and the asthenosphere is below the mantle and made of slow flowing rock.
What are the physical properties of the lithosphere?
The lithosphere includes the brittle upper portion of the mantle and the crust, the outermost layers of Earth's structure. It is bounded by the atmosphere above and the asthenosphere (another part of the upper mantle) below. Although the rocks of the lithosphere are still considered elastic, they are not viscous.
What is the difference between the mantle and lithosphere?
The lithosphere is the solid, outer part of the Earth. The lithosphere includes the brittle upper portion of the mantle and the crust, the outermost layers of Earth's structure. It is bounded by the atmosphere above and the asthenosphere (another part of the upper mantle) below.
What is the difference between mantle and lithosphere quizlet?
The lithosphere is the crust and the upper part of the mantle. The asthenosphere is a plastic like layer and continental plates move on top of it. The Mesosphere is the bottom of the mantle which is more rigid.
What is the difference between the lithosphere and the asthenosphere quizlet?
The lithosphere differs from the asthenosphere because the lithosphere is the solid outer layer of the earth and the asthenosphere is below the mantle and made of slow flowing rock.
How does the asthenosphere differ from the mesosphere?
The mesosphere is beneath the asthenosphere. It encompasses the lower mantle, where material still flows but at a much slower rate than the asthenosphere. A layer of liquid iron and nickel (and other elements) beneath the mesosphere.
What is the asthenosphere made of?
The asthenosphere is a part of the upper mantle just below the lithosphere that is involved in plate tectonic movement and isostatic adjustments. It is composed of peridotite, a rock containing mostly the minerals olivine and pyroxene.
What are the properties of asthenosphere that allow the movement of the lithosphere?
As the asthenosphere is hot and flowing, it is so because of the convection of heath from the innards of the earth. This offers quite a lubricating layer which allows the rigid plates of the lithosphere to slide easily.
Why are the properties of the asthenosphere?
The material of which the asthenosphere is composed can be described as plastic-like, with much less rigidity than the lithosphere above it. This property is caused by the interaction of temperature and pressure on asthenospheric materials.
What is the difference between lithospheric mantle and asthenosphere quizlet?
The lithosphere and the asthenosphere are both parts of a mantle and parts of the interior earth. The lithosphere is the hard and rigid uppermost part of the mantle and crust. The asthenosphere is the soft layer in the lower part of the mantle.
Which of the following statements accurately describes the difference between the lithosphere and the asthenosphere?
Which of the following statements accurately describes the difference between the lithosphere and the asthenosphere? The lithosphere is a strong outer layer of Earth that sits atop the warmer and weaker asthenosphere.
How are the lithosphere and the asthenosphere similar quizlet?
The lithosphere and the asthenosphere are both parts of a mantle and parts of the interior earth. The lithosphere is the hard and rigid uppermost part of the mantle and crust. The asthenosphere is the soft layer in the lower part of the mantle.
How does the asthenosphere differ from the lithosphere quizlet?
The lithosphere differs from the asthenosphere because the lithosphere is the solid outer layer of the earth and the asthenosphere is below the mantle and made of slow flowing rock. You just studied 56 terms!
Why is the asthenosphere weaker than the lithosphere?
Why is the asthenosphere weaker than the lithosphere? The asthenosphere is warmer and has a lower viscosity than the lithosphere.
What are the lithosphere and asthenosphere quizlet?
The lithosphere and the asthenosphere are both parts of a mantle and parts of the interior earth. The lithosphere is the hard and rigid uppermost part of the mantle and crust. The asthenosphere is the soft layer in the lower part of the mantle. You just studied 13 terms!
Which statement best describes the lithosphere crust and asthenosphere upper mantle?
The correct answer is Crust and Upper mantle. It is the outer solid part of the earth, including the crust and uppermost mantle. It is about 100 km thick, although its thickness is age-dependent. The lithosphere, that is the rigid outer part of the earth with thickness varying between 10-200 km.
Which of the following statement correctly describes the asthenosphere?
The correct statement is “The asthenosphere is the upper layer of Earth's mantle below the lithosphere and is partially molten.”
How do lithosphere and asthenosphere differ quizlet?
The lithosphere differs from the asthenosphere because the lithosphere is the solid outer layer of the earth and the asthenosphere is below the mantle and made of slow flowing rock.
What are the differences between the asthenosphere and the lithosphere quizlet?
The lithosphere and the asthenosphere are both parts of a mantle and parts of the interior earth. The lithosphere is the hard and rigid uppermost part of the mantle and crust. The asthenosphere is the soft layer in the lower part of the mantle.
What is the relationship between the lithosphere and asthenosphere quizlet?
The relationship between the Lithosphere, Asthenosphere, and Mesosphere is the lithosphere contains the tectonic plates, the Asthenosphere the plates move on top of them, and the Mesosphere convection currents move in this layer help drive the plates in the Lithosphere.
Which best describes the lithosphere physical properties?
Lithosphere is the rigid, rocky outer layer of the earth, consisting of the crust and the solid outermost layer of the upper mantle.
How is the lithosphere different from the mantle?
The lithosphere is the solid, outer part of the Earth. The lithosphere includes the brittle upper portion of the mantle and the crust, the outermost layers of Earth's structure. It is bounded by the atmosphere above and the asthenosphere (another part of the upper mantle) below.
What is the physical makeup of the asthenosphere?
The asthenosphere is a part of the upper mantle just below the lithosphere that is involved in plate tectonic movement and isostatic adjustments. It is composed of peridotite, a rock containing mostly the minerals olivine and pyroxene.
What are the properties of asthenosphere?
The asthenosphere is ductile and deforms easily compared to the overlying lithosphere because of its temperature and pressure. Any rock will melt if its temperature is raised high enough.