? Chapter 5_ Check Your Understanding (Volcanoes)_ GLG 110_ Dangerous World (2024 Spring - A)
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Uploaded by ConstableMusic11002
2/20/24, 11:24 PM
Chapter 5: Check Your Understanding (Volcanoes): GLG 110: Dangerous World (2024 Spring - A)
https://canvas.asu.edu/courses/179803/quizzes/1350971?module_item_id=12883056
1/7
Chapter 5: Check Your Understanding
(Volcanoes) Due Jan 28 at 11:59pm
Points 14
Questions 15
Available until Jan 29 at 11:59pm
Time Limit None
Allowed Attempts 3
Instructions
Overview
This assignment serves as a self-check of your understanding of concepts related to the
Volcano material
. First view Lecture Set 5, read
Chapter 5
in your textbook, and complete the
Discussion Questions related to the same lectures & chapter. Many of the questions are derived from
the Check Your Understanding box at the end of each section, while some come from the lecture
concepts. Instructions
Click “Take the Quiz” button to begin. Each question has its own set of instructions. Read carefully.
Click “Submit” when finished.
How you'll be graded
You have three attempts
to complete this assignment. There is no time limit on those individual
attempts. Each question is worth a certain number of points, and you’ll earn points for each correct
2/20/24, 11:24 PM
Chapter 5: Check Your Understanding (Volcanoes): GLG 110: Dangerous World (2024 Spring - A)
https://canvas.asu.edu/courses/179803/quizzes/1350971?module_item_id=12883056
2/7
This quiz was locked Jan 29 at 11:59pm.
Attempt History
Attempt
Time
Score
KEPT
Attempt 2
9 minutes
14 out of 14
LATEST
Attempt 2
9 minutes
14 out of 14
Attempt 1
9 minutes
11.5 out of 14
Correct answers are no longer available.
Score for this attempt: 14 out of 14
Submitted Jan 28 at 7:37pm
This attempt took 9 minutes.
Question 1
0.5 / 0.5 pts
Because the vast majority of spreading centers produce volcanism high in the mountains where no one lives.
Because the vast majority of spreading centers produce volcanism on small islands where no one lives.
Because volcanism at spreading centers is insignificant by volume compared to other types of plate boundaries.
Because the vast majority of spreading centers produce volcanism under the sea.
Question 2
0.5 / 0.5 pts
Alberta, Canada
response. The attempt with the highest score will automatically be recorded.
You may look at your notes and textbook while doing the assignment. Or, to test your knowledge in
preparation for the exam, you may want to take the first attempt without the aid of your notes or
textbook. Tips
For fill in the blank questions please be sure to spell words correctly as you will not receive credit if
words are unrecognized or misspelled
. Do NOT capitalize words or use commas
for fill in the blank
questions that require a numeric answer.
Why do we care less (and know less) about the hazards associated with volcanism at
spreading centers than we do about volcanism at other types of plate boundaries?
The following is a region or place on Earth where high population density and abundant
active volcanism coincide.
2/20/24, 11:24 PM
Chapter 5: Check Your Understanding (Volcanoes): GLG 110: Dangerous World (2024 Spring - A)
https://canvas.asu.edu/courses/179803/quizzes/1350971?module_item_id=12883056
3/7
Andean Chile
Reykjavik, Iceland
Java, Indonesia
Question 3
0.5 / 0.5 pts
The asthenosphere undergoes decompression without heating to produce melt.
The asthenosphere undergoes heating at the plate boundary.
The asthenosphere is saturated with water from the sea floor, causing melting.
Question 4
0.5 / 0.5 pts
Water interacts with he asthenosphere, causing melting.
The asthenosphere undergoes decompression without heating to produce melt.
The asthenosphere undergoes heating at the plate boundary.
Question 5
0.5 / 0.5 pts
The plate remains largely fixed in space, but the hotspot below moves to create the chain.
The asthenosphere melts along a line because it is hydrated by the islands.
The hotspot remains largely fixed in space, but the plate moves above it to create the chain.
The asthenosphere melts along a line because it depressurizes in that geometry.
Question 6
3 / 3 pts
low viscosity
basalt
Magmas at mid-ocean ridges are produced by partial melting of the asthenosphere. Why
does melting occur at mid-ocean ridges? Melting of the asthenosphere and production of magma at subduction zones is caused by
which of the following processes? Why do island chains form near hotspots?
Match the characteristic to the type of magma.
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2/20/24, 11:24 PM
Chapter 5: Check Your Understanding (Volcanoes): GLG 110: Dangerous World (2024 Spring - A)
https://canvas.asu.edu/courses/179803/quizzes/1350971?module_item_id=12883056
4/7
high iron and magnesium
basalt
dark in color
basalt
high viscosity
rhyolite
light in color
rhyolite
high silica content
rhyolite
Question 7
0.5 / 0.5 pts
feldspar and iron
silica and iron
volatiles and silica
iron and magnesium
Question 8
1 / 1 pts
felsic
mafic
hotspot
Subduction zones are more likely to produce explosive volcanism because the magma is
usually richer in ______________ compared to spreading centers. The two main types of volcanic eruption styles are _________ and ______. Choose the
two best answers from the options below.
2/20/24, 11:24 PM
Chapter 5: Check Your Understanding (Volcanoes): GLG 110: Dangerous World (2024 Spring - A)
https://canvas.asu.edu/courses/179803/quizzes/1350971?module_item_id=12883056
5/7
silicic
explosive
effusive
Question 9
0.5 / 0.5 pts
rivers and streams
infrastructure
atmospheric chemistry
human life
Question 10
2.5 / 2.5 pts
grey, non-glowing lava dome
Mount St Helens
swift moving, red, glowing lava flow
Tolbachik volcano, Russia
collapsing lava dome, forming pyroclastic flows
Unzen, Japan
plume, many kilometers high with an "umbrella region"
Calbuco, Chile
explosively erupted 1000s of cubic kilometers of magma
Yellowstone
Question 11
0.5 / 0.5 pts
Lava flows are mostly a threat to ____________.
Match the characteristic eruption activity with the appropriate volcano.
2/20/24, 11:24 PM
Chapter 5: Check Your Understanding (Volcanoes): GLG 110: Dangerous World (2024 Spring - A)
https://canvas.asu.edu/courses/179803/quizzes/1350971?module_item_id=12883056
6/7
Moment Magnitude
Richter Scale
Fujita Scale
VEI: Volcanic Explosivity Index
Question 12
0.5 / 0.5 pts
VEI 5
VEI 4
VEI 1
Question 13
0.5 / 0.5 pts
carbon dioxide
water vapor
sulfur dioxide
chlorine
Question 14
2 / 2 pts
ground-hugging hot avalanches of volcanic debris
pyroclastic flows
consist of water plus volcanic ash and blocks
lahars
the most far-reaching of all explosive eruption phenomena
ash fall/tephra fall
An important classification scheme for volcanic eruptions is called the __________.
Which of the following eruption types has the tallest eruption column (plume)?
The most abundant volcanic gas is _____________.
Match the characteristics to the appropriate specific volcano or volcanic phenomenon.
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2/20/24, 11:24 PM
Chapter 5: Check Your Understanding (Volcanoes): GLG 110: Dangerous World (2024 Spring - A)
https://canvas.asu.edu/courses/179803/quizzes/1350971?module_item_id=12883056
7/7
built by effusive eruption of very viscous lava
lava domes
Question 15
0.5 / 0.5 pts
swarms of volcanic earthquakes
ground deformation around the volcano
a change in the abundance of gas flux from the vent
Quiz Score: 14 out of 14
Rising magma can lead to the following changes in monitoring data. There is more than
one correct answer; please choose all correct options.