Question 1

Shield volcanoes are characterized by steep slopes.

Accepted Answer

A) True 
 B)False  False

Question 2

Basaltic lava flows that are charged with little steam and crystallize before reaching the surface are called ____ lava.

Accepted Answer

A) pahoehoe 
B) maar 
C) aa 
D) lahar 
E) pumice 
A) pahoehoe 
B) maar 
C) aa 
D) lahar 
E) pumice C

Question 3

Stratovolcanoes are generally the smallest category of volcanoes.

Accepted Answer

A) True 
 B)False  False

Question 4

Which statement is most correct?

Accepted Answer

A) Lava domes and cinder cones are always found in resurgent caldera. 
B) Lava domes often grow on the side of shield volcanoes; cinder cones often grow on the side of stratovolcanoes. 
C) Cinder cones often grow on the side of shield volcanoes; lava domes often grow on the side of stratovolcanoes. 
D) Lava domes and cinder cones can both be found around all other volcanic types. 
E) Lava domes and cinder cones are always isolated structures far from other volcanoes. 
A) Lava domes and cinder cones are always found in resurgent caldera. 
B) Lava domes often grow on the side of shield volcanoes; cinder cones often grow on the side of stratovolcanoes. 
C) Cinder cones often grow on the side of shield volcanoes; lava domes often grow on the side of stratovolcanoes. 
D) Lava domes and cinder cones can both be found around all other volcanic types. 
E) Lava domes and cinder cones are always isolated structures far from other volcanoes.

Question 5

The term _______________ refers to a surface marked by rubble and a clinker, and results from a Hawaiian basaltic lava flow.

Accepted Answer

The answer of The term _______________ refers to a surface...

Question 6

Cinder cones are formed when ____.

Accepted Answer

A) seawater leaches into the magma plume of a stratovolcano 
B) low-viscosity basalt encounters groundwater near the surface 
C) a magma chamber collapses, building magma pressure 
D) a volcanic eruption creates large amounts of ash 
E) high-viscosity rhyolite interacts with surface soil 
A) seawater leaches into the magma plume of a stratovolcano 
B) low-viscosity basalt encounters groundwater near the surface 
C) a magma chamber collapses, building magma pressure 
D) a volcanic eruption creates large amounts of ash 
E) high-viscosity rhyolite interacts with surface soil

Question 7

Subduction zones are common sources of volcanoes. Explain the key details of the process of volcano formation along subduction zones.

Accepted Answer

​ The subducting oceanic plate has a hig

Question 8

Small to moderate sized volcanoes formed of rhyolite above subduction zones are ____.

Accepted Answer

A) shield volcanoes 
B) cinder cones 
C) lava domes 
D) stratovolcanoes 
E) resurgent caldera 
A) shield volcanoes 
B) cinder cones 
C) lava domes 
D) stratovolcanoes 
E) resurgent caldera

Question 9

Volcanic ash is always injected into the upper atmosphere and therefore, does not immediately affect the area around the eruption.

Accepted Answer

A) True 
 B)False

Question 10

The andesite volcanoes that form on the U.S. west coast below the Cascadia subduction zone are good examples of ____.

Accepted Answer

A) cinder cones 
B) stratovolcanoes 
C) shield volcanoes 
D) resurgent caldera 
E) lava domes 
A) cinder cones 
B) stratovolcanoes 
C) shield volcanoes 
D) resurgent caldera 
E) lava domes

Question 11

A hot rock deep in Earth may melt if it is subjected to an increase in pressure.

Accepted Answer

A) True 
 B)False

Question 12

After a large volume of magma is ejected, the magma chamber will often collapse to form a(n) _______________.

Accepted Answer

The answer of After a large volume of magma is...

Question 13

The ropy, basalt-rich, and steam-charged lava flows found in volcanoes like Kilauea are called ____ lava.

Accepted Answer

A) aa 
B) maar 
C) lahar 
D) pumice 
E) pahoehoe 
A) aa 
B) maar 
C) lahar 
D) pumice 
E) pahoehoe

Question 14

Hotspot volcanoes in an oceanic plate ____.

Accepted Answer

A) create large amounts of serpentine as they react with groundwater 
B) tend to form large lava flows from wet basalt 
C) are among the most explosive of volcanoes 
D) originate from melted rhyolite in the seafloor 
E) originate from deep peridotite, which rises as a plume of dry basalt 
A) create large amounts of serpentine as they react with groundwater 
B) tend to form large lava flows from wet basalt 
C) are among the most explosive of volcanoes 
D) originate from melted rhyolite in the seafloor 
E) originate from deep peridotite, which rises as a plume of dry basalt

Question 15

Material from _______________-basalt lava flows can contain hundreds of cubic kilometers of material.

Accepted Answer

The answer of Material from _______________-basalt lava flows can contain...

Question 16

Rhyolite magma usually erupts in which form?

Accepted Answer

A) thin, fast lava flows 
B) thick, fast lava flows 
C) thick, slow lava flows 
D) fast ash flows 
E) fine ash columns 
A) thin, fast lava flows 
B) thick, fast lava flows 
C) thick, slow lava flows 
D) fast ash flows 
E) fine ash columns

Question 17

The text discusses six styles of volcanic eruption. Choose one and describe the causes of an eruption of this style, the danger they represent, and the characteristics of an eruption.

Accepted Answer

A successful answer discusses all three

Question 18

Which type(s) of magma result in erupted material that is mostly in the form of ash?

Accepted Answer

A) rhyolite only 
B) andesite only 
C) basalt only 
D) both andesite and basalt 
E) both basalt and rhyolite 
A) rhyolite only 
B) andesite only 
C) basalt only 
D) both andesite and basalt 
E) both basalt and rhyolite

Question 19

A small volcano with steep sides produced by low-viscosity magma is a(n) _______________. (two words)

Accepted Answer

The answer of A small volcano with steep sides produced...

Question 20

_______________ comes in many pale shades of color, is very silica rich, and produces very thick, stiff flows.

Accepted Answer

The answer of _______________ comes in many pale shades of...

Shield volcanoes are characterized by steep slopes.

Basaltic lava flows that are charged with little steam and crystallize before reaching the surface are called ____ lava.

Stratovolcanoes are generally the smallest category of volcanoes.

Which statement is most correct?

The term _______________ refers to a surface marked by rubble and a clinker, and results from a Hawaiian basaltic lava flow.

Cinder cones are formed when ____.

Subduction zones are common sources of volcanoes. Explain the key details of the process of volcano formation along subduction zones.

Small to moderate sized volcanoes formed of rhyolite above subduction zones are ____.

Volcanic ash is always injected into the upper atmosphere and therefore, does not immediately affect the area around the eruption.

The andesite volcanoes that form on the U.S. west coast below the Cascadia subduction zone are good examples of ____.

A hot rock deep in Earth may melt if it is subjected to an increase in pressure.

After a large volume of magma is ejected, the magma chamber will often collapse to form a(n) _______________.

The ropy, basalt-rich, and steam-charged lava flows found in volcanoes like Kilauea are called ____ lava.

Hotspot volcanoes in an oceanic plate ____.

Material from _______________-basalt lava flows can contain hundreds of cubic kilometers of material.

Rhyolite magma usually erupts in which form?

The text discusses six styles of volcanic eruption. Choose one and describe the causes of an eruption of this style, the danger they represent, and the characteristics of an eruption.

Which type(s) of magma result in erupted material that is mostly in the form of ash?

A small volcano with steep sides produced by low-viscosity magma is a(n) _______________. (two words)

_______________ comes in many pale shades of color, is very silica rich, and produces very thick, stiff flows.

Natural Hazards and Disasters

Plate Tectonics and Physical Hazards

Earthquakes and Their Causes

Earthquake Predictions Forecasts and Mitigation

Tsunami

Volcanoes Hazards and Mitigation

Landslides and Other Downslope Movements

Sinkholes Land Subsidence and Swelling Soils

Weather Thunderstorms and Tornadoes

Climate Change Processes and History

Climate Change Impacts and Mitigation

Streams and Flood Processes

Floods and Human Interactions

Waves Beaches and Coastal Erosion

Hurricanes and nor Easters

Wildfires

Asteroid and Comet Impacts

Filters

Exam 6: Volcanoes Tectonic Environments and Eruptions

Shield volcanoes are characterized by steep slopes.

Basaltic lava flows that are charged with little steam and crystallize before reaching the surface are called ____ lava.

Stratovolcanoes are generally the smallest category of volcanoes.

Which statement is most correct?

The term _______________ refers to a surface marked by rubble and a clinker, and results from a Hawaiian basaltic lava flow.

Cinder cones are formed when ____.

Subduction zones are common sources of volcanoes. Explain the key details of the process of volcano formation along subduction zones.

Small to moderate sized volcanoes formed of rhyolite above subduction zones are ____.

Volcanic ash is always injected into the upper atmosphere and therefore, does not immediately affect the area around the eruption.

The andesite volcanoes that form on the U.S. west coast below the Cascadia subduction zone are good examples of ____.

A hot rock deep in Earth may melt if it is subjected to an increase in pressure.

After a large volume of magma is ejected, the magma chamber will often collapse to form a(n) _______________.

The ropy, basalt-rich, and steam-charged lava flows found in volcanoes like Kilauea are called ____ lava.

Hotspot volcanoes in an oceanic plate ____.

Material from _______________-basalt lava flows can contain hundreds of cubic kilometers of material.

Rhyolite magma usually erupts in which form?

The text discusses six styles of volcanic eruption. Choose one and describe the causes of an eruption of this style, the danger they represent, and the characteristics of an eruption.

Which type(s) of magma result in erupted material that is mostly in the form of ash?

A small volcano with steep sides produced by low-viscosity magma is a(n) _______________. (two words)

_______________ comes in many pale shades of color, is very silica rich, and produces very thick, stiff flows.

Natural Hazards and Disasters

Plate Tectonics and Physical Hazards

Earthquakes and Their Causes

Earthquake Predictions Forecasts and Mitigation

Tsunami

Volcanoes Hazards and Mitigation

Landslides and Other Downslope Movements

Sinkholes Land Subsidence and Swelling Soils

Weather Thunderstorms and Tornadoes

Climate Change Processes and History

Climate Change Impacts and Mitigation

Streams and Flood Processes

Floods and Human Interactions

Waves Beaches and Coastal Erosion

Hurricanes and nor Easters

Wildfires

Asteroid and Comet Impacts

Filters