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प्रश्न
What is the difference between magma and lava?
What is the main difference between magma and lava?
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उत्तर
| Magma | Lava |
| Molten material moving under the earth’s crust is called magma. | When magma comes to the surface of the earth, it is known as lava. |
| Molten rock beneath the Earth’s surface. | Molten rock that has erupted onto the Earth’s surface. |
| Contains dissolved gases and crystals. | Loses most gases when it erupts. |
| Found in magma chambers. | Flows over land and cools to form solid rock. |
| Temperature is generally higher. | Slightly cooler after exposure to air. |
संबंधित प्रश्न
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Fill in the blank below:
The molten rock that reaches the surface of the earth is called ______.
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‘Ring of Fire’
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The lava which is poor in silica and rich in iron and magnesium.
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A volcano which has the possibility of erupting in future.
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A large sill of acid lava which has solidified gradually giving a dome-like shape.
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A volcano where magma reaches the surface through a vent or a pipe..
Give one word for the following :
A volcano whose eruption buried and destroyed two Roman towns.
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Karst, crater, drumlin, stalactite, gully, potholesl, ash, basalt, swallow, holes, dyke, domes, bluffs.
What is the following :
Spine or plug
What is the following :
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