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प्रश्न
“The whole of the approaching ship is not visible at one time.” Why?
उत्तर
The Earth has a spherical snape. Along its curved surface, the appearance of a ship is gradual. We see first the smoke, then the mast and then the hull. If the Earth were flat, the entire ship would be seen all at once.
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संबंधित प्रश्न
Describe the mantle. State its two chief characteristics.
Temperature starts rising gradually towards the interior of the earth.
Look at the figure on the side and answer the question:
Label the parts : (1), (2), (3), (4) and (5).
Study the figure on the side and answer the question
Which layer is responsible for earth’s magnetic field? Why?
Describe any three experiments to prove the Spherical Shape of the Earth.
Give two reasons why tremors occur inside the earth?
______ is the rigid outer layer 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 |
What is SIMA?
______ is a vent (or) and opening on the surface of the Earth crust.
