Lesson 10: Quiz#2

Quiz Summary

0 of 16 Questions completed

Questions:

You have already completed the quiz before. Hence you can not start it again.

Quiz is loading…

You must sign in or sign up to start the quiz.

You must first complete the following:

Results

Quiz complete. Results are being recorded.

Results

0 of 16 Questions answered correctly

Your time:

You have reached 0 of 0 point(s), (0)

Question 1 of 16

1. Question

1. ______ The eruption of Mount St. Helens occurred on May 18, 1980.

True
Correct Incorrect Correct answer

False
Correct Incorrect Correct answer

Correct

Incorrect
Question 2 of 16

2. Question

2. _____ Mount St. Helens is located in California.

True
Correct Incorrect Correct answer

False
Correct Incorrect Correct answer

Correct

Incorrect
Question 3 of 16

3. Question

3. _____ The eruption of Mount St. Helens caused a massive landslide that wiped out an area the size of Manhattan.

True
Correct Incorrect Correct answer

False
Correct Incorrect Correct answer

Correct

Incorrect
Question 4 of 16

4. Question

4. _____ The pyroclastic flow generated by the eruption of Mount St. Helens moved at speeds of up to 500 miles per hour.

True
Correct Incorrect Correct answer

False
Correct Incorrect Correct answer

Correct

Incorrect
Question 5 of 16

5. Question

5. _____ The area around Mount St. Helens has become an important site for scientific research, particularly in the field of ecological succession.

True
Correct Incorrect Correct answer

False
Correct Incorrect Correct answer

Correct

Incorrect
Question 6 of 16

6. Question

6. _____ Mount St. Helens has not erupted since 1980.

True
Correct Incorrect Correct answer

False
Correct Incorrect Correct answer

Correct

Incorrect
Question 7 of 16

7. Question

7. _____ The eruption of Mount St. Helens caused widespread disruption to air traffic.

True
Correct Incorrect Correct answer

False
Correct Incorrect Correct answer

Correct

Incorrect
Question 8 of 16

8. Question

8. _____ Mount St. Helens is part of the Cascade Range of mountains.

True
Correct Incorrect Correct answer

False
Correct Incorrect Correct answer

Correct

Incorrect
Question 9 of 16

9. Question

9. When did the eruption of Mount St. Helens occur?

A) May 18, 1980
Correct Incorrect Correct answer

B) June 5, 1985
Correct Incorrect Correct answer

C) July 10, 1991
Correct Incorrect Correct answer

D) August 24, 1992
Correct Incorrect Correct answer

Correct

Incorrect
Question 10 of 16

10. Question

10. How long did the eruption of Mount St. Helens last?

A) One hour
Correct Incorrect Correct answer

B) Two hours
Correct Incorrect Correct answer

C) Six hours
Correct Incorrect Correct answer

D) Nine hours
Correct Incorrect Correct answer

Correct

Incorrect
Question 11 of 16

11. Question

11. How much ash and rock did Mount St. Helens spew out during the eruption?

A) 240 million tons
Correct Incorrect Correct answer

B) 420 million tons
Correct Incorrect Correct answer

C) 540 million tons
Correct Incorrect Correct answer

Correct

Incorrect
Question 12 of 16

12. Question

12. What caused the largest landslide in recorded history during the eruption of Mount St. Helens?

A) A pyroclastic flow
Correct Incorrect Correct answer

B) A lateral blast
Correct Incorrect Correct answer

C) A volcanic earthquake
Correct Incorrect Correct answer

D) A magma chamber collapse
Correct Incorrect Correct answer

Correct

Incorrect
Question 13 of 16

13. Question

13. How fast did the lateral blast travel during the eruption of Mount St. Helens?

A) 100 miles per hour
Correct Incorrect Correct answer

B) 300 miles per hour
Correct Incorrect Correct answer

C) 500 miles per hour
Correct Incorrect Correct answer

D) 670 miles per hour
Correct Incorrect Correct answer

Correct

Incorrect
Question 14 of 16

14. Question

14. What is a pyroclastic flow?

A) A type of volcanic eruption in which a large amount of hot gas and ash is rapidly expelled from the side of a volcano
Correct Incorrect Correct answer

B) A fast-moving current of hot gas and volcanic matter that moves along the ground at high speeds during a volcanic eruption
Correct Incorrect Correct answer

C) The process by which an ecosystem changes over time as different plant and animal species colonize and occupy the area
Correct Incorrect Correct answer

Correct

Incorrect
Question 15 of 16

15. Question

15. How has the area around Mount St. Helens been important for scientific research?

A) It is the site of the largest volcanic eruption in recorded history
Correct Incorrect Correct answer

B) It is home to several endangered plant and animal species
Correct Incorrect Correct answer

C) It is an important source of geothermal energy
Correct Incorrect Correct answer

D) It provides a unique opportunity to study ecological succession
Correct Incorrect Correct answer

Correct

Incorrect
Question 16 of 16

16. Question

16. Why did the eruption of Mount St. Helens cause widespread disruption to air traffic?

A) The ash cloud from the eruption spread across the entire United States
Correct Incorrect Correct answer

B) The eruption triggered a massive landslide that wiped out an area the size of Manhattan
Correct Incorrect Correct answer

C) The lateral blast sent a fast-moving avalanche of gas, ash, and rock down the mountain at speeds of up to 670 miles per hour
Correct Incorrect Correct answer

Correct

Incorrect

Quiz Summary

Information

Results

Results

Categories

1. Question

2. Question

3. Question

4. Question

5. Question

6. Question

7. Question

8. Question

9. Question

10. Question

11. Question

12. Question

13. Question

14. Question

15. Question

16. Question