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प्रश्न
How are hot springs formed?
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.
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संबंधित प्रश्न
Explain the types of volcanoes on the basis of periodicity of eruption with examples.
Give one example of volcanic mountains.
Fill in the blanks with suitable words:
Volcanic activity is a ______ movement.
What is a volcano?
What is the difference between magma and lava?
What is called the Pacific Ring of Fire? Why is it called so?
Name the three types of volcanoes on the basis of the frequency of their eruption.
Fill in the blank below:
The molten rock that reaches the surface of the earth is called ______.
Fill in the blank below:
A lava ___________is made up of basic lava flows solidified away from the vent.
Explain the various parts of a volcano.
Why is volcanic activity often associated with mountain building ?
Describe any three advantages of volcanoes.
What is a geyser ?
Name a well known geyser.
What is the following:
‘Ring of Fire’
Give one word for the following :
The funnel shaped hollow at the top of a volcanic cone.
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 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 are the influences of volcanoes eruption on man?
OR
What is the importance of volcanoes?
OR
Mention adverse and beneficial effects of volcanoes.
What is the following :
Spine or plug
______ Volcano is known as light house of Mediterranean Sea.
Answer in a word
Give an example of extinct volcano.
Describe the classification of volcanoes based on the eruptions.
