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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
In which part of the earth is NIFE found?
What is composed of NIFE?
What is the lithosphere?
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:
Which part of the earth is suitable for human habitation? Why?
Describe the layers of the interior of the earth and their chemical composition.
Where is Mantle located in the Earth?
Mention the layers of the interior of the Earth.
The presence of large quantities of ______ in the core is responsible for the Earth’s Gravitational force.
Silica and Aluminium are the components of the ______.
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 SIMA?
What is NIFE?
Give reason for the following:
The Earth’s gravitational force
Give reason for the following:
Generation of the Earth’s Magnetic field.
______ is a vent (or) and opening on the surface of the Earth crust.
