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Question
Explain the various parts of a volcano.
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Solution
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.
RELATED QUESTIONS
Give one example of volcanic mountains.
What is the difference between magma and lava?
Give one example of an active volcano.
Name two types of landforms made by volcanoes. Give an example of each type.
Match the Following:
| Column A | Column B |
| 1. Vent | (a) An active volcano |
| 2. Extinct | (b) Hot water fountain |
| 3. Geyser | (c) Dead Volcano |
| 4. Mt. Stromboli | (d) An opening in the earth's crust through which lava flows. |
| 5. Cinder Cone | (e) A volcanic landform. |
Fill in the blank below:
The molten rock that reaches the surface of the earth is called ______.
Fill in the blank below:
The Circum-Paciflc Belt is also called ____________.
In which belt most of the volcanoes of the world are found?
Indicate the world distribution of active volcanoes.
Distinguish between :
Seismology and Volcanology.
Distinguish between :
Volcanic Dust and Volcanic Ash.
Why is volcanic activity often associated with mountain building ?
What is a geyser?
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 large sill of acid lava which has solidified gradually giving a dome-like shape.
Give one word for the following :
A volcano whose eruption buried and destroyed two Roman towns.
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.
What is the following :
Spine or plug
______ Volcano is known as light house of Mediterranean Sea.
An example for active volcano is ______.
Choose the odd one
Choose the odd one
An active volcano, Dormant volcano, Extinct Volcano, Shield volcano
Choose the odd one
Mt. Popa, Mt. Fujiyama, Mt. Kilimanjaro, Mt. Kenya.
