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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
Give a geographical reason for the following:
The inner core of the earth is in a solid state.
Look at the figure on the side and answer the question:
Name the state (solid, liquid or gas) in which each part exists.
Explain the layers of the interior of the earth with reference to the following :
(a) Depth,
(b) Temperature
(c) Density.
“The whole of the approaching ship is not visible at one time.” Why?
Why is the Earth slightly flattened at the poles?
Explain briefly the structure of the earth.
Give two reasons why tremors occur inside the earth?
Give reasons for the following:
Earth movements have modified the Earth’s surface.
Give reason for the following:
The Earth’s gravitational force
Give reason for the following:
The cause of the functioning of the magnetic compass
