Advertisements
Advertisements
Question
What is a volcano?
Solution
A volcano is a vent in the earth's crust from which fiery hot magma erupts from the earth's interior.
APPEARS IN
RELATED QUESTIONS
What is the difference between magma and lava?
What is the difference between dormant volcano and an extinct volcano?
Fill in the blank below:
A lava ___________is made up of basic lava flows solidified away from the vent.
Name the largest active volcano in the world.
Distinguish between :
Seismology and Volcanology.
Distinguish between :
Volcanic Dust and Volcanic Ash.
Describe the materials thrown out during volcanic eruption.
Describe any three advantages of volcanoes.
What is a geyser ?
Give two of its main characteristics of Geysers
Name a well known geyser.
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.
Give one word for the following :
A volcano whose eruption buried and destroyed two Roman towns.
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 :
Spine or plug
Choose the odd one
Iceland, the most active volcanic area is located on the ______.
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.