Podcast
Questions and Answers
What type of volcanic activity is associated with a cone-shaped mountain or hill created by molten material?
What type of volcanic activity is associated with a cone-shaped mountain or hill created by molten material?
- Effusive eruption (correct)
- Explosive eruption
- Strombolian eruption
- Phreatomagmatic eruption
Which of the following is NOT a part of a volcano's structure?
Which of the following is NOT a part of a volcano's structure?
- Vent
- Magma chamber
- Conduit
- Sill (correct)
What is the term for the molten rock beneath the Earth's surface?
What is the term for the molten rock beneath the Earth's surface?
- Lava
- Pyroclastic
- Ash
- Magma (correct)
What is the opening in the Earth's surface through which volcanic materials escape?
What is the opening in the Earth's surface through which volcanic materials escape?
What type of volcano is formed by an accumulation of volcanic debris?
What type of volcano is formed by an accumulation of volcanic debris?
Which of the following is a more or less vertical, sheet-like magma body that cuts through older rocks or sediments?
Which of the following is a more or less vertical, sheet-like magma body that cuts through older rocks or sediments?
Which of the following statements about magma and lava is correct?
Which of the following statements about magma and lava is correct?
What is the vent of a volcano?
What is the vent of a volcano?
Which of the following best describes an active volcano?
Which of the following best describes an active volcano?
What is a dormant volcano?
What is a dormant volcano?
Which of the following best describes an extinct volcano?
Which of the following best describes an extinct volcano?
Which of the following is a type of volcano based on its shape?
Which of the following is a type of volcano based on its shape?
What type of volcano is Paricutin in Mexico?
What type of volcano is Paricutin in Mexico?
What is the maximum height of a composite volcano?
What is the maximum height of a composite volcano?
What is the primary composition of the lava in a composite volcano?
What is the primary composition of the lava in a composite volcano?
What happens during a quiet eruption of a composite volcano?
What happens during a quiet eruption of a composite volcano?
What is the main difference between an explosive and an effusive/nonexplosive eruption?
What is the main difference between an explosive and an effusive/nonexplosive eruption?
Why does the lava fragment burst into the air and fall around the vent of a volcano?
Why does the lava fragment burst into the air and fall around the vent of a volcano?
