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Questions and Answers
Name the two ways in which the Earth can be divided and explain each method.
Name the two ways in which the Earth can be divided and explain each method.
The Earth can be divided mechanically or chemically. Mechanically, it can be divided into the lithosphere, asthenosphere, mesospheric mantle, outer core, and inner core based on liquid states. Chemically, it can be divided into the crust, mantle, and core based on composition.
What are the major constituent elements of the Earth's crust?
What are the major constituent elements of the Earth's crust?
The major constituent elements of the Earth's crust are Silica (Si) and Aluminium (Al).
What is the difference in thickness between the oceanic crust and the continental crust?
What is the difference in thickness between the oceanic crust and the continental crust?
The oceanic crust is thinner, measuring about 5 kilometers in thickness, while the continental crust is thicker, measuring about 30 kilometers.
Name the discontinuity between the crust and mantle.
Name the discontinuity between the crust and mantle.
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What are the major constituent elements of the mantle?
What are the major constituent elements of the mantle?
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What is the main source of magma?
What is the main source of magma?
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What is the densest layer of the Earth?
What is the densest layer of the Earth?
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