Copyright

Understanding Volcanoes: Help and Review 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!

Page 1

Question 1 1. Which of the following terms describes a type of pyroclastic flow that contains dense lava fragments?

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. Which of the following terms is used to describe hot molten rock from deep within the earth?

Question 4 4. Which geologic activity could be responsible for a fissure eruption from a volcano?

Question 5 5. The Hawaiian Islands are actually the tops of which broad, dome-shaped type of volcano?

Page 2

Question 6 6. If the debris within a landslide mixes with enough water it can trigger which of the following volcanic hazards?

Question 7 7. Which of the following is FALSE concerning pyroclastic flows?

Question 8 8. Which of the following is a way to prevent injury or diminish destruction from volcanic hazards?

Question 9 9. Which of the following gases, released during a volcanic eruption, contributes to acid rain?

Question 10 10. Which of the following is TRUE of tephra?

Page 3

Question 11 11. What is the term used to describe a dense collection of fragments and gases from a volcanic eruption that flows down the slope of volcano?

Question 12 12. Which of the following is a TRUE statement?

Question 13 13. Which process creates a lava plateau?

Question 14 14. Which term for a small volcanic rock is a Latin word that means little stones?

Question 15 15. What makes pyroclastic surge different from pyroclastic flow?

Page 4

Question 16 16. Which type of volcano is built from glassy lava fragments that explode from the volcano and cool quickly?

Question 17 17. A volcano erupts, projecting highly gelatinous lava through a volcanic vent. What type of volcanic landform could be created by this event?

Question 18 18.

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 19 19. 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 20 20. Volcanic gases are initially brought to the earth's surface as _____.

Page 5

Question 21 21. Which of the following statements is FALSE concerning volcanoes?

Question 22 22. Which type of volcano is comprised of layers of lava, ash and rock debris?

Question 23 23. Which gas can form aerosols that hang in the stratosphere and reflect the sun's rays back into space?

Question 24 24. Which of the following statements is FALSE concerning water vapor emissions?

Question 25 25. 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.

Page 6

Question 26 26. What is the name given to an area of the Pacific Ocean Basin that is tectonically active?

Question 27 27. Which of the following terms describes a low-density flow of volcanic material with a higher proportion of gas to rock?

Question 28 28. 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 29 29. What makes lava flow one of the less deadly volcanic processes?

Question 30 30. Which of the following is NOT found inside a volcano?

Understanding Volcanoes: Help and Review 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!

Middle School Earth Science: Help and Review  /  Science Courses
Support