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प्रश्न
Name the sources of information about forces operating inside the earth.
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उत्तर
Information about forces operating inside the earth is taken by the study of seismic waves, materials thrown up by volcanoes and the evidence from the theories of the origin of the earth.
संबंधित प्रश्न
In which part of the earth is NIFE found?
What are the consequences of the pressure and temperature in the interior of the earth?
Why is the earth’s interior in most part found in a solid state despite great heat and pressure?
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
Why is the expression ‘Nife’ so called?
Give reasons for the following:
Earth movements have modified the Earth’s surface.
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 |
Seismology deals with ______.
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.
