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प्रश्न
What is a volcano?
उत्तर
A volcano is a vent in the earth's crust from which fiery hot magma erupts from the earth's interior.
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संबंधित प्रश्न
Give one example of volcanic mountains.
What is called the Pacific Ring of Fire? Why is it called so?
Fill in the blank below:
The molten rock that reaches the surface of the earth is called ______.
Explain the various parts of a volcano.
Which volcano is known as the ‘lighthouse of the Mediterranean?
Name the three belts where volcanoes are found.
Distinguish between :
Volcanic Dust and Volcanic Ash.
Describe the materials thrown out during volcanic eruption.
Describe any three advantages of volcanoes.
Name a well known geyser.
State two ways in which lava may come out of the earth’s crust giving an example of each type of these volcanic activities.
Differentiate between active dormant and extinct volcanoes.
Answer the following:
Plate margins are zones of great volcanic activity.
Give one word for the following :
The lava which is poor in silica and rich in iron and magnesium.
Give one word for the following :
A volcano which has the possibility of erupting in future.
Give one word for the following :
A large sill of acid lava which has solidified gradually giving a dome-like shape.
Which type of lavas weather into more fertile soil. Name also one useful feature of volcanicity other than soil fertility.
Describe the distribution of volcanoes in the world.
OR
Name the important belts of volcanoes.
What is the following :
Fissure type of volcanoes
What is the following :
Spine or plug
______ Volcano is known as light house of Mediterranean Sea.
Distinguish between Active volcano and dormant volcano
Iceland, the most active volcanic area is located on the ______.
Choose the odd one
Mt. Popa, Mt. Fujiyama, Mt. Kilimanjaro, Mt. Kenya.
