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प्रश्न
Distinguish between Core and Crust.
Distinguish between the Crust and Core.
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उत्तर
| Sr. No. | Core | Crust |
| (i) | The core is the innermost hottest layer of the earth and the true centre. | The crust is the outer layer of the earth. |
| (ii) | It is composed mainly of Nickel (Ni) and Iron (Fe). So it is termed as NIFE. | It is composed of Silica and Aluminium. So it is termed as SIAL. |
| (iii) | Denser materials exist within Earth’s core. | Lighter materials exist on the surface. |
संबंधित प्रश्न
Name the sources of information about forces operating inside the earth.
In which part of the earth is NIFE found?
Where is asthenosphere found?
How do the study of meteorites helps scientists to know about the interior of the earth?
Give a geographical reason for the following:
Temperature starts rising gradually towards the interior of the earth.
Describe the layers of the interior of the earth and their chemical composition.
There are two transitional zones between the two consecutive layers of the interior of the earth. Name them and state their chief characteristics.
Explain the layers of the interior of the earth with reference to the following :
(a) Depth,
(b) Temperature
(c) Density.
Study the figure on the side and answer the question
What role does Sima play?
Study the figure on the side and answer the question
Why is the expression ‘Nife’ so called?
Which are the two most abundant chemical elements in the Earth’s crust?
Why does the Sun not rise at the same time everywhere in the world?
“Even when the Earth is spherical, it appears to be flat.” Discuss.
Explain briefly the structure of the earth.
Where is Mantle located in the Earth?
Magma is found in the ______.
The presence of large quantities of ______ in the core is responsible for the Earth’s Gravitational force.
What is SIAL?
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.
