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प्रश्न
How are hot springs formed?
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उत्तर
The movement of magma heats up the underground water which converts into steam and gushes out through any crack or holes on the crust.
संबंधित प्रश्न
Explain the types of volcanoes on the basis of periodicity of eruption with examples.
What is the difference between magma and lava?
What is the difference between a dormant volcano and an extinct volcano?
Name the three types of volcanoes on the basis of the frequency of their eruption.
Fill in the blank below:
The Circum-Paciflc Belt is also called ____________.
Explain the various parts of a volcano.
Name the largest active volcano in the world.
In which belt most of the volcanoes of the world are found?
Describe the materials thrown out during volcanic eruption.
Describe the effect of volcanic eruption of Karakatoa in 1883.
What is a 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.
What is the following:
‘Ring of Fire’
Give reasons for the following:
Basic lava cones are broader than Acid lava cones.
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 where magma reaches the surface through a vent or a pipe..
Which type of lavas weather into more fertile soil. Name also one useful feature of volcanicity other than soil fertility.
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
Describe the classification of volcanoes based on the eruptions.
Choose the odd one
Mt. Popa, Mt. Fujiyama, Mt. Kilimanjaro, Mt. Kenya.
