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प्रश्न
The study of meteorites helps scientists to know about the interior of the earth.
उत्तर
At the time of the origin of the earth every planet and meteorites were floating in the space and the materials of the earth were same as that of the meteorites. So, the scientists can calculate the composition of rocks ofthe earth by studying the materials found in the meteorites.
APPEARS IN
संबंधित प्रश्न
The continents are placed above the oceans.
Look at the figure on the side and answer the question:
What part is suitable for human habitation?
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.
“The whole of the approaching ship is not visible at one time.” Why?
Explain briefly the structure of the earth.
Describe any three experiments to prove the Spherical Shape of the Earth.
______ layer is made up of liquid iron.
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?
