Question 1

What type of volcano is shown in the diagram below?

Accepted Answer

The answer of What type of volcano is shown in...

Question 2

What type of volcanic eruption devastated the Caribbean island of Martinique in 1902?

Accepted Answer

The answer of What type of volcanic eruption devastated the...

Question 3

What volcanic events formed Crater Lake, OR? When did they take place?

Accepted Answer

A) A powerful explosion blew away the top of a composite volcano; 10 million years ago. 
B) The crater of a large, extinct cinder cone filled with water; 5 million years ago. 
C) Landslides and volcanic mudflows dammed the Mazama River; 500 years ago. 
D) Caldera collapse followed major ash and pyrodastic-flow eruptions; 7700 years ago. 
A) A powerful explosion blew away the top of a composite volcano; 10 million years ago. 
B) The crater of a large, extinct cinder cone filled with water; 5 million years ago. 
C) Landslides and volcanic mudflows dammed the Mazama River; 500 years ago. 
D) Caldera collapse followed major ash and pyrodastic-flow eruptions; 7700 years ago.

Question 4

Which statement about the November 2010 eruption of Mount Merapi is false?

Accepted Answer

A) The eruption could be heard 20 kilometres away. 
B) Plumes of ash rose high into the atmosphere and darkened the sky. 
C) Mudflows (lahars)accompanied the major eruptive events. 
D) The event burned homes and killed people and cattle. 
A) The eruption could be heard 20 kilometres away. 
B) Plumes of ash rose high into the atmosphere and darkened the sky. 
C) Mudflows (lahars)accompanied the major eruptive events. 
D) The event burned homes and killed people and cattle.

Question 5

Volcanic earthquakes are often strong enough to destroy buildings.

Accepted Answer

A) True 
 B)False

Question 6

Which type of mafic lava flow has a fairly smooth, flow folded, ropy surface?

Accepted Answer

A) aa 
B) block and ash flow 
C) pahoehoe 
D) scoria 
A) aa 
B) block and ash flow 
C) pahoehoe 
D) scoria

Question 7

The average composition of rocks composing a large composite volcano is similar to which magma?

Accepted Answer

A) mafic 
B) ultramafic 
C) andesitic 
D) felsic 
A) mafic 
B) ultramafic 
C) andesitic 
D) felsic

Question 8

Composite volcanic volcanoes like Mt.Garibaldi are also called ________.

Accepted Answer

The answer of Composite volcanic volcanoes like Mt.Garibaldi are also...

Question 9

Which of the following statements concerning cinder cones is false?

Accepted Answer

A) They are small volcanoes with fairly steep sides but large central craters. 
B) They are built mostly or entirely during one eruptive cycle. 
C) The cinders and other pyroclastic particles are consolidated into welded tuff. 
D) They are often asymmetric with the higher rim in the downwind direction. 
A) They are small volcanoes with fairly steep sides but large central craters. 
B) They are built mostly or entirely during one eruptive cycle. 
C) The cinders and other pyroclastic particles are consolidated into welded tuff. 
D) They are often asymmetric with the higher rim in the downwind direction.

Question 10

Which natural phenomenon occurs for several years after major explosive volcanic eruptions such as Tambora and Krakatoa?

Accepted Answer

A) heavy falls of volcanic ash within 100 kilometres of the volcano 
B) unusually warm weather in the tropics and subtropics 
C) a worldwide rise in sea level of one to three centimetres 
D) volcanic gases linger in the atmosphere 
A) heavy falls of volcanic ash within 100 kilometres of the volcano 
B) unusually warm weather in the tropics and subtropics 
C) a worldwide rise in sea level of one to three centimetres 
D) volcanic gases linger in the atmosphere

Question 11

What type of volcano is shown in the diagram below?

Accepted Answer

The answer of What type of volcano is shown in...

Question 12

The circum-Pacific belt of volcanoes is commonly referred to as ________.

Accepted Answer

The answer of The circum-Pacific belt of volcanoes is commonly...

Question 13

At the same temperature, why are magmas with high silica contents more viscous?

Accepted Answer

A) Because high viscosity magma will flow more readily and rhyolites flow the farthest. 
B) They are more linked together in chains and nets that are strong enough to resist flow. 
C) Any magma with more than 50% silica content is too sticky to flow. 
D) The magmas with high silica content are also richer in iron and too dense to flow. 
A) Because high viscosity magma will flow more readily and rhyolites flow the farthest. 
B) They are more linked together in chains and nets that are strong enough to resist flow. 
C) Any magma with more than 50% silica content is too sticky to flow. 
D) The magmas with high silica content are also richer in iron and too dense to flow.

Question 14

Word Analysis Questions
Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases.
-Choose the option that does not fit the pattern.

Accepted Answer

A) Mt.Vesuvius 
B) Mt.Mazama 
C) Mount Pelée 
D) Kilauea 
A) Mt.Vesuvius 
B) Mt.Mazama 
C) Mount Pelée 
D) Kilauea

Question 15

Which kind of volcanism is typical of mid-ocean ridge systems?

Accepted Answer

A) explosive; composite volcanoes 
B) submarine; mafic lava flows 
C) subversive fissure eruptions and flood basalts 
D) explosive; felsic, pyroclastic flows 
A) explosive; composite volcanoes 
B) submarine; mafic lava flows 
C) subversive fissure eruptions and flood basalts 
D) explosive; felsic, pyroclastic flows

What type of volcano is shown in the diagram below?

What type of volcanic eruption devastated the Caribbean island of Martinique in 1902?

What volcanic events formed Crater Lake, OR? When did they take place?

Which statement about the November 2010 eruption of Mount Merapi is false?

Volcanic earthquakes are often strong enough to destroy buildings.

Which type of mafic lava flow has a fairly smooth, flow folded, ropy surface?

The average composition of rocks composing a large composite volcano is similar to which magma?

Composite volcanic volcanoes like Mt.Garibaldi are also called ________.

Which of the following statements concerning cinder cones is false?

Which natural phenomenon occurs for several years after major explosive volcanic eruptions such as Tambora and Krakatoa?

What type of volcano is shown in the diagram below?

The circum-Pacific belt of volcanoes is commonly referred to as ________.

At the same temperature, why are magmas with high silica contents more viscous?

Word Analysis Questions Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

Which kind of volcanism is typical of mid-ocean ridge systems?

An Introduction to Geology and Plate Tectonics

Minerals: The Building Blocks of Rocks

Igneous Rocks

Weathering and Soil

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Geologic Time

Crustal Deformation

Earthquakes and Earth's Interior

The Ocean Floor

Plate Tectonics: The Framework for Modern Geology

Mountain Building and Continental Frameworks

Mass Wasting: The Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Winds

Shorelines

Mineral and Energy Resources

Filters

Exam 4: Volcanoes and Volcanic Processes

What type of volcano is shown in the diagram below?

What type of volcanic eruption devastated the Caribbean island of Martinique in 1902?

What volcanic events formed Crater Lake, OR? When did they take place?

Which statement about the November 2010 eruption of Mount Merapi is false?

Volcanic earthquakes are often strong enough to destroy buildings.

Which type of mafic lava flow has a fairly smooth, flow folded, ropy surface?

The average composition of rocks composing a large composite volcano is similar to which magma?

Composite volcanic volcanoes like Mt.Garibaldi are also called ________.

Which of the following statements concerning cinder cones is false?

Which natural phenomenon occurs for several years after major explosive volcanic eruptions such as Tambora and Krakatoa?

What type of volcano is shown in the diagram below?

The circum-Pacific belt of volcanoes is commonly referred to as ________.

At the same temperature, why are magmas with high silica contents more viscous?

Word Analysis Questions Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

Which kind of volcanism is typical of mid-ocean ridge systems?

An Introduction to Geology and Plate Tectonics

Minerals: The Building Blocks of Rocks

Igneous Rocks

Weathering and Soil

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Geologic Time

Crustal Deformation

Earthquakes and Earth's Interior

The Ocean Floor

Plate Tectonics: The Framework for Modern Geology

Mountain Building and Continental Frameworks

Mass Wasting: The Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Winds

Shorelines

Mineral and Energy Resources

Filters