13/12/2022, 14:01 : Quiz Submissions - Homework 5 - Fall 2022 EAPS 10600-002 DIS - Purdue University System
Quiz Submissions - Homework 5
Attempt 1
Written: Sep 19, 2022 3:51 PM - Sep 19, 2022 4:11 PM
Submission View
Your quiz has been submitted successfully.
Question 1 0..5 points
5.1. In Wikipedia, look up "Lava" and answer this question: What is the difference between lava
and magma?
a. The two terms have the same meaning.
b. Magma is melted rock beneath the surface, lava is melted rock extruded onto
thesurface.
c. Lava is melted rock beneath the surface, magma is melted rock extruded onto
thesurface.
d. Lava is a specific kind of magma that has a ropy texture.
Question 2 0..5 points
5.2. In Wikipedia, look up "Magma", scroll down to "Decompression", and answer this question:
What is decompression melting?
a. When adding water to rocks lowers their melting temperature
b. When increasing the temperature of rocks leads to melting
c. When decreasing the pressure on rocks lowers their melting temperatured. All the
above
Question 3 0..5 points
5.3. In Wikipedia, look up "Magma", scroll down to "Effects of water and carbon dioxide", and
answer this question: What does the addition of water to hot rocks in the mantle cause?
a. It causes their temperature to decrease
b. It causes their temperature to increase
c. It causes their melting (solidus) temperature to decrease
d. It causes their melting (solidus) temperature to increase
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, 13/12/2022, 14:01 : Quiz Submissions - Homework 5 - Fall 2022 EAPS 10600-002 DIS - Purdue University System
Question 4 0..5 points
5.4. In Wikipedia, look up "Volcanic arc" and answer this question: In which tectonic settings is
magma caused by water lowering the melting temperature of rock?
a. Subduction zones
b. Mid-ocean ridges
c. Hot spots
d. All the above
Question 5 0..5 points
5.5. In Wikipedia, look up "Ring of Fire" and answer this question: What is the ring of fire?
a. A region around much of the rim of the Pacific Ocean where many volcaniceruptions
occur.
b. A ring of lava caused when a lava pours down evenly on all sides of a volcano.
c. A ring-shaped ash cloud that occurs because of convection currents in theatmosphere.
d. A ring of fire caused when a burning ember from a volcanic explosion ignites a
grassfire.
Question 6 0..5 points
5.6. In Wikipedia, look up "Hotspot (geology)" and answer this question: Why do hot spots lead to
a chain of volcanoes?
a. Because hot spots are constantly moving
b. Because hot spot lava generally flows in one direction
c. Because hot spot magma chambers form as a long line
d. Because tectonics plates move over stationary hot spots
Question 7 0..5 points
5.7. In Wikipedia, look up "Viscosity" and answer this question: What is viscosity a measure of?
a. The surface tension of a fluid
b. The resistance of a fluid to flow
c. The buoyancy of a fluid
d. The melting temperature of a fluid
Question 8 0..5 points
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Quiz Submissions - Homework 5
Attempt 1
Written: Sep 19, 2022 3:51 PM - Sep 19, 2022 4:11 PM
Submission View
Your quiz has been submitted successfully.
Question 1 0..5 points
5.1. In Wikipedia, look up "Lava" and answer this question: What is the difference between lava
and magma?
a. The two terms have the same meaning.
b. Magma is melted rock beneath the surface, lava is melted rock extruded onto
thesurface.
c. Lava is melted rock beneath the surface, magma is melted rock extruded onto
thesurface.
d. Lava is a specific kind of magma that has a ropy texture.
Question 2 0..5 points
5.2. In Wikipedia, look up "Magma", scroll down to "Decompression", and answer this question:
What is decompression melting?
a. When adding water to rocks lowers their melting temperature
b. When increasing the temperature of rocks leads to melting
c. When decreasing the pressure on rocks lowers their melting temperatured. All the
above
Question 3 0..5 points
5.3. In Wikipedia, look up "Magma", scroll down to "Effects of water and carbon dioxide", and
answer this question: What does the addition of water to hot rocks in the mantle cause?
a. It causes their temperature to decrease
b. It causes their temperature to increase
c. It causes their melting (solidus) temperature to decrease
d. It causes their melting (solidus) temperature to increase
This study source was downloaded by 100000847426977 from CourseHero.com on 10-31-2023 05:41:54 GMT -05:00
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, 13/12/2022, 14:01 : Quiz Submissions - Homework 5 - Fall 2022 EAPS 10600-002 DIS - Purdue University System
Question 4 0..5 points
5.4. In Wikipedia, look up "Volcanic arc" and answer this question: In which tectonic settings is
magma caused by water lowering the melting temperature of rock?
a. Subduction zones
b. Mid-ocean ridges
c. Hot spots
d. All the above
Question 5 0..5 points
5.5. In Wikipedia, look up "Ring of Fire" and answer this question: What is the ring of fire?
a. A region around much of the rim of the Pacific Ocean where many volcaniceruptions
occur.
b. A ring of lava caused when a lava pours down evenly on all sides of a volcano.
c. A ring-shaped ash cloud that occurs because of convection currents in theatmosphere.
d. A ring of fire caused when a burning ember from a volcanic explosion ignites a
grassfire.
Question 6 0..5 points
5.6. In Wikipedia, look up "Hotspot (geology)" and answer this question: Why do hot spots lead to
a chain of volcanoes?
a. Because hot spots are constantly moving
b. Because hot spot lava generally flows in one direction
c. Because hot spot magma chambers form as a long line
d. Because tectonics plates move over stationary hot spots
Question 7 0..5 points
5.7. In Wikipedia, look up "Viscosity" and answer this question: What is viscosity a measure of?
a. The surface tension of a fluid
b. The resistance of a fluid to flow
c. The buoyancy of a fluid
d. The melting temperature of a fluid
Question 8 0..5 points
This study source was downloaded by 100000847426977 from CourseHero.com on 10-31-2023 05:41:54 GMT -05:00
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