Advertisements
Advertisements
प्रश्न
Describe the layers of the interior of the earth and their chemical composition.
उत्तर
The interior of the earth is divided into three major parts i.e. crust, mantle and core. The crust consists of 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).
APPEARS IN
संबंधित प्रश्न
Name the three layers of the earth’s interior.
Describe the mantle. State its two chief characteristics.
Look at the figure on the side and answer the question:
Label the parts : (1), (2), (3), (4) and (5).
Study the figure on the side and answer the question
Why is the expression ‘Nife’ so called?
Study the figure on the side and answer the question
What happens to the continents if there is an earthquake?
Why is the Earth slightly flattened at the poles?
Give two reasons why tremors occur inside the earth?
Magma is found in the ______.
The presence of large quantities of ______ in the core is responsible for the Earth’s Gravitational force.
Consider the given statement
- When magnia reaches this Earth’s surface, it is referred to as ‘Lava’.
- The interior of the earth contains very hot molten material called ‘Magma’.
- Sedimentary are also called Primary (or) Mother rocks.