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प्रश्न
Explain the various parts of a volcano.
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उत्तर
A volcano represents some typical parts e.g. the molten rock or magma mostly lava makes the conical body of a volcano. Magma chamber is the source of erupting magma. Vent is the main channel through which the magma erupts outwards. Crater is the mouth or uppermost part of a volcano which is a big hole from which magma erupts and spreads all over.
संबंधित प्रश्न
Give one example of volcanic mountains.
Fill in the blanks with suitable words:
Volcanic activity is a ______ movement.
Name the three types of volcanoes on the basis of the frequency of their eruption.
How are hot springs formed?
Name the largest active volcano in the world.
Which volcano is known as the ‘lighthouse of the Mediterranean?
Distinguish between :
Volcanic Dust and Volcanic Ash.
Why is volcanic activity often associated with mountain building ?
Give two of its main characteristics of Geysers
Name a well known geyser.
Give reasons for the following:
The Circum-Pacific Belt of volcanoes is called ‘The Ring of Fire’.
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 where magma reaches the surface through a vent or a pipe..
Which four of the following words are connected with volcanic activity:
Karst, crater, drumlin, stalactite, gully, potholesl, ash, basalt, swallow, holes, dyke, domes, bluffs.
Describe the distribution of volcanoes in the world.
OR
Name the important belts of volcanoes.
______ Volcano is known as light house of Mediterranean Sea.
An example for active volcano is ______.
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Describe the classification of volcanoes based on the eruptions.
Iceland, the most active volcanic area is located on the ______.
Choose the odd one
An active volcano, Dormant volcano, Extinct Volcano, Shield volcano
