Question 1

The difference between tephra and tuff is that ____________.

Accepted Answer

A)  tephra is created in ash falls,whereas tuff is created in pyroclastic flows
B)  tephra is unlithified,whereas tuff is lithified
C)  tephra is always silicic,whereas tuff is always basaltic
D)  All of the above are correct.

Question 2

Volcanic bombs are ____________.

Accepted Answer

A)  pyroclastic blocks that acquire aerodynamic shapes during flight out of the volcanic vent
B)  explosive bodies of lava with high volatile content
C)  cinders that explode upon impact with the ground
D)  used by geologists to set off small eruptions in volcanoes that are deemed potentially dangerous

Question 3

Of the three primary forms of subaerial volcanoes,____________ consist of a simple,conical pile of tephra.

Accepted Answer

A)  stratovolcanoes
B)  cinder cones
C)  shield volcanoes

Question 4

Mt.Fuji in Japan is an example of a ____________.

Accepted Answer

A)  stratovolcano
B)  cinder cone
C)  shield volcano

Question 5

Olympus Mons,the largest known volcano in the Universe,is found on ___________.

Accepted Answer

A)  Earth
B)  Mars
C)  Neptune
D)  Io,a moon of Jupiter

Question 6

Most terrestrial volcanic glass ____________.

Accepted Answer

A)  is highly silicic in composition
B)  is coarse grained
C)  consists of microscopic crystals
D)  freezes from lavas with low viscosity

Question 7

Volcanoes are entirely detrimental to the planet and human civilization,offering no benefits to humankind.

Accepted Answer

A) True 
 B)False

Question 8

In 79 C.E. ,the citizens of Pompeii in the Roman Empire were buried by pyroclastic debris derived from an eruption of ____________.

Accepted Answer

A)  Mt.Olympus
B)  Olympus Mons
C)  Mt.Vesuvius
D)  Mt.St.Helens

Question 9

One of the reasons volcanic eruptions are so deadly is that there is no way to predict where an eruption will occur in the near future.

Accepted Answer

A) True 
 B)False

Question 10

Basaltic lavas ____________.

Accepted Answer

A)  contain more iron and magnesium than rhyolitic lavas
B)  contain more silica than rhyolitic lavas
C)  are more viscous than rhyolitic lavas
D)  contain a greater proportion of trapped volatiles than rhyolitic lavas

Exam 9: The Wrath of Vulcan: Volcanic Eruptions

The difference between tephra and tuff is that ____________.

Correct Answer
verified

Most terrestrial volcanic glass ____________.

Correct Answer
verified

Olympus Mons,the largest known volcano in the Universe,is found on ___________.

Correct Answer
verified

Mt.Fuji in Japan is an example of a ____________.

Correct Answer
verified

Basaltic lavas ____________.

Correct Answer
verified

Volcanoes are entirely detrimental to the planet and human civilization,offering no benefits to humankind.

Correct Answer
verified

Volcanic bombs are ____________.

Correct Answer
verified

In 79 C.E. ,the citizens of Pompeii in the Roman Empire were buried by pyroclastic debris derived from an eruption of ____________.

Correct Answer
verified

Of the three primary forms of subaerial volcanoes,____________ consist of a simple,conical pile of tephra.

Correct Answer
verified

One of the reasons volcanic eruptions are so deadly is that there is no way to predict where an eruption will occur in the near future.

Correct Answer
verified

Exam 9: The Wrath of Vulcan: Volcanic Eruptions

The difference between tephra and tuff is that ____________.

Correct AnswerverifiedShow Answer

Most terrestrial volcanic glass ____________.

Correct AnswerverifiedShow Answer

Olympus Mons,the largest known volcano in the Universe,is found on ___________.

Correct AnswerverifiedShow Answer

Mt.Fuji in Japan is an example of a ____________.

Correct AnswerverifiedShow Answer

Basaltic lavas ____________.

Correct AnswerverifiedShow Answer

Volcanoes are entirely detrimental to the planet and human civilization,offering no benefits to humankind.

Correct AnswerverifiedShow Answer

Volcanic bombs are ____________.

Correct AnswerverifiedShow Answer

In 79 C.E. ,the citizens of Pompeii in the Roman Empire were buried by pyroclastic debris derived from an eruption of ____________.

Correct AnswerverifiedShow Answer

Of the three primary forms of subaerial volcanoes,____________ consist of a simple,conical pile of tephra.

Correct AnswerverifiedShow Answer

One of the reasons volcanic eruptions are so deadly is that there is no way to predict where an eruption will occur in the near future.

Correct AnswerverifiedShow Answer

Correct Answer
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