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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
What are the consequences of the pressure and temperature in the interior of the earth?
What is the lithosphere?
Describe the mantle.
Where is asthenosphere found?
Name two types of earth movements.
Give a geographical reason for the following:
Temperature starts rising gradually towards the interior of the earth.
Give a geographical reason for the following:
The inner core of the earth is in a solid state.
The continents are placed above the oceans.
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?
“The whole of the approaching ship is not visible at one time.” Why?
Where is Mantle located in the Earth?
Magma is found in the ______.
Mention the layers of the interior of the Earth.
Match the following:
| (a) | Crust | (i) | 2,171 km |
| (b) | Upper Mantle | (ii) | 2,259 km |
| (c) | Lower Mantle | (iii) | 30 km |
| (d) | Outer Core | (iv) | 1221km |
| (e) | Inner Core | (v) | 720 km |
Consider the given statement:
- The thickness of the crust is greater below the continents than the ocean’s floor.
- All terrestrial planets have a lithosphere.
- The core is composed of Silica and Aluminium.
Which of the statement (s) is/are true?
What is SIAL?
What is NIFE?
Give reason for the following:
The cause of the functioning of the magnetic compass
