Question 1

Volcanoes can form everywhere, except:

Accepted Answer

A)  at hotspots. 
B)  at subduction zones. 
C)  at divergent plate boundaries. 
D)  at ocean-continent convergent plate boundaries. 
E)  in Los Angeles. 
A)  at hotspots. 
B)  at subduction zones. 
C)  at divergent plate boundaries. 
D)  at ocean-continent convergent plate boundaries. 
E)  in Los Angeles.

Question 2

What is a nuee ardente? Is it a threat?

Accepted Answer

A "nuee ardente" is a French term that t

Question 3

Match the following options to its correct definition.
-hot spot

Accepted Answer

A)  a type of rock made up of consolidated volcanic ash 
B)  long narrow opening on a volcano 
C)  rocky, blocky basaltic flow 
D)  a plume of magma that pierces the Earth's lithosphere 
E)  said of material forcibly ejected from a volcano 
A)  a type of rock made up of consolidated volcanic ash 
B)  long narrow opening on a volcano 
C)  rocky, blocky basaltic flow 
D)  a plume of magma that pierces the Earth's lithosphere 
E)  said of material forcibly ejected from a volcano

Question 4

Can volcanoes occur anywhere? What influences if a volcano will form?

Accepted Answer

Volcanoes cannot occur just anywhere; th

Question 5

Match the following options to its correct definition.
-fissure

Accepted Answer

A)  a type of rock made up of consolidated volcanic ash 
B)  long narrow opening on a volcano 
C)  rocky, blocky basaltic flow 
D)  a plume of magma that pierces the Earth's lithosphere 
E)  said of material forcibly ejected from a volcano 
A)  a type of rock made up of consolidated volcanic ash 
B)  long narrow opening on a volcano 
C)  rocky, blocky basaltic flow 
D)  a plume of magma that pierces the Earth's lithosphere 
E)  said of material forcibly ejected from a volcano

Question 6

How do volcanoes affect people?

Accepted Answer

A)  Houses, buildings, roads, and fields can get covered with ash. 
B)  If the ashfall is really heavy it can make it impossible to breathe. 
C)  Lava flows are almost always too slow to run over people, but they can certainly run over houses, roads, and any other structures. 
D)  Pyroclastic flows are so hot and choking that if you are caught in one it will kill you. 
E)  All of the above. 
A)  Houses, buildings, roads, and fields can get covered with ash. 
B)  If the ashfall is really heavy it can make it impossible to breathe. 
C)  Lava flows are almost always too slow to run over people, but they can certainly run over houses, roads, and any other structures. 
D)  Pyroclastic flows are so hot and choking that if you are caught in one it will kill you. 
E)  All of the above.

Question 7

Hawaiian volcanoes are all shield volcanoes. What are shield volcanoes? Are they hazardous?

Accepted Answer

Shield volcanoes are a type of volcano n

Question 8

What has NO influence on the viscosity of magma?

Accepted Answer

A)  its composition 
B)  the amount of dissolved gases it contains 
C)  its temperature 
D)  the amount of water dissolved in the magma 
E)  its color 
A)  its composition 
B)  the amount of dissolved gases it contains 
C)  its temperature 
D)  the amount of water dissolved in the magma 
E)  its color

Question 9

Which of the following are common volcanic gases?

Accepted Answer

A)  carbon dioxide and sulfur dioxide 
B)  helium, neon, and argon 
C)  iron and magnesium 
D)  silicon and oxygen 
E)  hydrogen and helium 
A)  carbon dioxide and sulfur dioxide 
B)  helium, neon, and argon 
C)  iron and magnesium 
D)  silicon and oxygen 
E)  hydrogen and helium

Question 10

Can geologists predict when a volcano will erupt? How do volcanologists try to predict eruptions?

Accepted Answer

Geologists, specifically volcanologists,

Question 11

Match the following options to its correct definition.
-pyroclastic

Accepted Answer

A)  a type of rock made up of consolidated volcanic ash 
B)  long narrow opening on a volcano 
C)  rocky, blocky basaltic flow 
D)  a plume of magma that pierces the Earth's lithosphere 
E)  said of material forcibly ejected from a volcano 
A)  a type of rock made up of consolidated volcanic ash 
B)  long narrow opening on a volcano 
C)  rocky, blocky basaltic flow 
D)  a plume of magma that pierces the Earth's lithosphere 
E)  said of material forcibly ejected from a volcano

Question 12

Can volcanic eruptions affect climate? How?

Accepted Answer

Yes, volcanic eruptions can significantl

Question 13

Volcanic activity is commonplace on the Earth. 50-70 volcanoes erupt per year and there are many active volcanoes that geologists are observing.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is used to estimate a volcano's VEI?

Accepted Answer

A)  the volume of material ejected from a volcano 
B)  the height at which the volcanic cloud reaches 
C)  how long the eruption lasts 
D)  the lava's viscosity 
E)  all of the above. 
A)  the volume of material ejected from a volcano 
B)  the height at which the volcanic cloud reaches 
C)  how long the eruption lasts 
D)  the lava's viscosity 
E)  all of the above.

Question 15

Which of the following is NOT a type of pyroclastic material?

Accepted Answer

A)  tephra 
B)  pumice 
C)  dome 
D)  bomb 
E)  ash 
A)  tephra 
B)  pumice 
C)  dome 
D)  bomb 
E)  ash

Question 16

What is not taken into account by the VEI?

Accepted Answer

A)  the amount of material ejected from a volcano 
B)  how many landslides are caused by the volcano 
C)  how long the explosion lasts 
D)  how often the volcano erupts 
E)  how high the ejected material rises 
A)  the amount of material ejected from a volcano 
B)  how many landslides are caused by the volcano 
C)  how long the explosion lasts 
D)  how often the volcano erupts 
E)  how high the ejected material rises

Question 17

What is the difference between magma and lava? Does the composition of the magma or lava affect how dangerous a volcano will be? Can dissolved gases and water change the properties of magma? Explain your answer.

Accepted Answer

Magma and lava are both molten rock, but

Question 18

The depression in which Crater Lake is now located is the result of the top of Mt. Mazama being blown off in a cataclysmic eruption.

Accepted Answer

A) True 
 B)False

Question 19

Can geologists help to protect people from advancing lava flows? Why or why not? Explain your answer.

Accepted Answer

Yes, geologists can help to protect peop

Question 20

The most violent types of volcanic eruptions are associated with:

Accepted Answer

A)  convergent plate boundaries. 
B)  silica-rich lava. 
C)  lavas that contain a lot gas. 
D)  a high VEI number. 
E)  all of the above. 
A)  convergent plate boundaries. 
B)  silica-rich lava. 
C)  lavas that contain a lot gas. 
D)  a high VEI number. 
E)  all of the above.

Volcanoes can form everywhere, except:

What is a nuee ardente? Is it a threat?

Match the following options to its correct definition. -hot spot

Can volcanoes occur anywhere? What influences if a volcano will form?

Match the following options to its correct definition. -fissure

How do volcanoes affect people?

Hawaiian volcanoes are all shield volcanoes. What are shield volcanoes? Are they hazardous?

What has NO influence on the viscosity of magma?

Which of the following are common volcanic gases?

Can geologists predict when a volcano will erupt? How do volcanologists try to predict eruptions?

Match the following options to its correct definition. -pyroclastic

Can volcanic eruptions affect climate? How?

Volcanic activity is commonplace on the Earth. 50-70 volcanoes erupt per year and there are many active volcanoes that geologists are observing.

Which of the following is used to estimate a volcano's VEI?

Which of the following is NOT a type of pyroclastic material?

What is not taken into account by the VEI?

What is the difference between magma and lava? Does the composition of the magma or lava affect how dangerous a volcano will be? Can dissolved gases and water change the properties of magma? Explain your answer.

The depression in which Crater Lake is now located is the result of the top of Mt. Mazama being blown off in a cataclysmic eruption.

Can geologists help to protect people from advancing lava flows? Why or why not? Explain your answer.

The most violent types of volcanic eruptions are associated with:

What Does Living With Earth Mean

Earth Systems

The Dynamic Geosphere and Plate Tectonics

Geosphere Materials

Earthquakes

Rivers and Flooding

Unstable Land

Changing Coasts

Water Resources

Soil Resources

Mineral Resources

Energy Resources

Atmosphere Resources and Climate Change

Managing Peoples Environmental Impact

Filters

Exam 6: Volcanoes

Volcanoes can form everywhere, except:

What is a nuee ardente? Is it a threat?

Match the following options to its correct definition. -hot spot

Can volcanoes occur anywhere? What influences if a volcano will form?

Match the following options to its correct definition. -fissure

How do volcanoes affect people?

Hawaiian volcanoes are all shield volcanoes. What are shield volcanoes? Are they hazardous?

What has NO influence on the viscosity of magma?

Which of the following are common volcanic gases?

Can geologists predict when a volcano will erupt? How do volcanologists try to predict eruptions?

Match the following options to its correct definition. -pyroclastic

Can volcanic eruptions affect climate? How?

Volcanic activity is commonplace on the Earth. 50-70 volcanoes erupt per year and there are many active volcanoes that geologists are observing.

Which of the following is used to estimate a volcano's VEI?

Which of the following is NOT a type of pyroclastic material?

What is not taken into account by the VEI?

What is the difference between magma and lava? Does the composition of the magma or lava affect how dangerous a volcano will be? Can dissolved gases and water change the properties of magma? Explain your answer.

The depression in which Crater Lake is now located is the result of the top of Mt. Mazama being blown off in a cataclysmic eruption.

Can geologists help to protect people from advancing lava flows? Why or why not? Explain your answer.

The most violent types of volcanic eruptions are associated with:

What Does Living With Earth Mean

Earth Systems

The Dynamic Geosphere and Plate Tectonics

Geosphere Materials

Earthquakes

Rivers and Flooding

Unstable Land

Changing Coasts

Water Resources

Soil Resources

Mineral Resources

Energy Resources

Atmosphere Resources and Climate Change

Managing Peoples Environmental Impact

Filters