18 Questions
What type of volcanic activity is associated with a cone-shaped mountain or hill created by molten material?
Effusive eruption
Which of the following is NOT a part of a volcano's structure?
Sill
What is the term for the molten rock beneath the Earth's surface?
Magma
What is the opening in the Earth's surface through which volcanic materials escape?
Vent
What type of volcano is formed by an accumulation of volcanic debris?
Parasitic cone
Which of the following is a more or less vertical, sheet-like magma body that cuts through older rocks or sediments?
Dike or Dyke
Which of the following statements about magma and lava is correct?
Magma is the hot molten rock coming from the mantle, while lava is the molten rock that erupts from a volcano.
What is the vent of a volcano?
The entrance of a volcano, where lava and volcanic ash are ejected.
Which of the following best describes an active volcano?
A volcano that is erupting or has erupted recently and is expected to erupt again in the near future.
What is a dormant volcano?
A quiet volcano that is not active now, but may become active again in the future.
Which of the following best describes an extinct volcano?
A volcano that is at the end of its life and is no longer able to erupt.
Which of the following is a type of volcano based on its shape?
Cinder cone volcano
What type of volcano is Paricutin in Mexico?
Composite volcano
What is the maximum height of a composite volcano?
3000 meters
What is the primary composition of the lava in a composite volcano?
Granitic
What happens during a quiet eruption of a composite volcano?
Lava flows cover the sides of the cone
What is the main difference between an explosive and an effusive/nonexplosive eruption?
The amount of pressure released
Why does the lava fragment burst into the air and fall around the vent of a volcano?
Because there is only one vent for the magma to escape
Learn about volcanic explosions, ash clouds, vents, magma, and lava in this quiz. Explore the different types of volcanoes based on their activity levels. Test your knowledge on geology and volcanic phenomena!
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
