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प्रश्न
Describe the layers of the interior of the earth and their chemical composition.
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उत्तर
The interior of the earth is divided into three major parts i.e. crust, mantle and core. The crust consists of the majority of silica and aluminium and is called ‘SIAL’, mantle is called SIMA due to the majority of silica and magnesium and is called SIMA, which makes the bed of oceans and the core is called NIFE with excess of Nickel and Iron (Ni + Fe).
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संबंधित प्रश्न
Name the sources of information about forces operating inside the earth.
Look at the figure on the side and answer the question:
Name the state (solid, liquid or gas) in which each part exists.
Study the figure on the side and answer the question
What role does Sima play?
Which are the two most abundant chemical elements in the Earth’s crust?
“The whole of the approaching ship is not visible at one time.” Why?
“Even when the Earth is spherical, it appears to be flat.” Discuss.
Why is the Earth slightly flattened at the poles?
Mention the layers of the interior of the Earth.
Give reason for the following:
The Earth’s gravitational force
Give reason for the following:
The cause of the functioning of the magnetic compass
