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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 three layers of the earth’s interior.
State two chief characteristics of the earth’s crust.
Why is the earth’s interior in most part found in a solid state despite great heat and pressure?
Name two types of earth movements.
Give a geographical reason for the following:
Temperature starts rising gradually towards the interior of the earth.
Study the figure on the side and answer the question
What is known as Sial? How deep is the area marked by Sial?
Give reasons for the following:
Earth movements have modified the Earth’s surface.
The presence of large quantities of ______ in the core is responsible for the Earth’s Gravitational force.
What is SIMA?
Give reason for the following:
The Earth’s gravitational force
