Volcanoes Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. Which of the following statements is FALSE concerning volcanoes?

Question 2 2. What is the classification of a volcano that has not erupted in the past 10,000 years, but has the potential to erupt in the future?

Question 3 3. What is the name given to an area of the Pacific Ocean Basin that is tectonically active?

Question 4 4. Which of the following terms is used to describe a series of large ocean waves caused by an abrupt disturbance, such as a landslide?

Question 5 5. Which of the following is TRUE of a landslide?

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Question 6 6. Which of the following is a way to prevent injury or diminish destruction from volcanic hazards?

Question 7 7. What is the term for the mound-shaped high viscosity extrusion of lava from a vent?

Question 8 8. Which of the following lava characteristics greatly affect the viscosity of a lava?

Question 9 9. Which lava compositional type has the lowest silica and highest magnesium concentration?

Question 10 10. Which type of volcano is built from glassy lava fragments that explode from the volcano and cool quickly?

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Question 11 11. Why do shield volcanoes tend to maintain a low profile and spread out over wide areas?

Question 12 12. The Hawaiian Islands are actually the tops of which broad, dome-shaped type of volcano?

Question 13 13. Which term for a small volcanic rock is a Latin word that means little stones?

Question 14 14. Which of the following terms describes a type of pyroclastic flow that contains dense lava fragments?

Question 15 15. Which of the following terms describes a low-density flow of volcanic material with a higher proportion of gas to rock?

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Question 16 16. Which of the following is NOT found inside a volcano?

Question 17 17. Mount St. Helens in Washington state is known for its massive volcanic eruption that occurred in 1980. The eruption reduced the elevation of the mountain from 9,677 feet to 8,363 feet and left a mile wide horseshoe-shaped crater where the mountain stood. How would a volcanologist classify this structure?

Question 18 18. A volcano erupts, projecting highly gelatinous lava through a volcanic vent. What type of volcanic landform could be created by this event?

Question 19 19. Which of the following terms describes rock fragments and other particles ejected from a volcano?

Question 20 20. Which of the following is TRUE of tephra?

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Question 21 21. What makes lava flow one of the less deadly volcanic processes?

Question 22 22. Which of the following gases, released during a volcanic eruption, contributes to acid rain?

Question 23 23.

Gas X is produced during volcanic eruption and is also known as a greenhouse gas. It is heavier than air and tends to accumulate in low-lying areas. This accumulation can be fatal.

Identify Gas X.

Question 24 24. Volcanic gases are initially brought to the earth's surface as _____.

Question 25 25. Which of the following is a TRUE statement?

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Question 26 26. If the debris within a landslide mixes with enough water it can trigger which of the following volcanic hazards?

Question 27 27. Which of the following terms is not a compositional name for a lava type?

Question 28 28. Jerry was making a list of mountains he thought were composite cone volcanoes. Look at his list and indicate which one Jerry will discover he was mistaken about once he does his research.

Question 29 29. Why are pyroclastic flows so dangerous?

Question 30 30. Which geologic activity could be responsible for a fissure eruption from a volcano?

Volcanoes Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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