EAPS 105 EVALUATION EXAM ANSWERS AND
QUESTIONS SET A+
✔✔Quiz 8: Unit 4. Part 6. Question 8. Watch the Unit 4 Part 6 lecture video and answer
the following question: Why do Mercury and Venus have weak or no magnetic fields? -
✔✔c. Because they have very slow spin rates
✔✔Quiz 8: Unit 4. Part 6. Question 9. Watch the Unit 4 Part 6 lecture video and answer
the following question: What material layer powers the magnetic fields of Jupiter and
Saturn? - ✔✔b. Metallic hydrogen
✔✔Quiz 8: Unit 4. Part 6. Question 10. Watch the Unit 4 Part 6 lecture video and
answer the following question: What material layer powers the magnetic fields of
Uranus and Neptune? - ✔✔Water mixed with ammonia
✔✔Quiz 9: Unit 5. Part 1. Question 1. Watch the Unit 5 Part 1 lecture video and answer
the following question: Which of the following is not true? - ✔✔Tectonic plates float on
an ocean of molten rock
✔✔Quiz 9: Unit 5. Part 1. Question 2. Watch the Unit 5 Part 1 lecture video and answer
the following question: Which will cause hot, but still solid, rocks to melt? -
✔✔Decreasing pressure
✔✔Quiz 9: Unit 5. Part 1. Question 3. Watch the Unit 5 Part 1 lecture video and answer
the following question: Which type of volcanism is observed to occur on the other
terrestrial planets? - ✔✔Hot spot volcanism
✔✔Quiz 9: Unit 5. Part 1. Question 4. Watch the Unit 5 Part 1 lecture video and answer
the following question: In which type of tectonic setting is magma generated by
hydration induced melting? - ✔✔Subduction zones
,✔✔Quiz 9: Unit 5. Part 1. Question 5. Watch the Unit 5 Part 1 lecture video and answer
the following question: What causes hot rocks to melt at hotspots? - ✔✔Depressurized
melting
✔✔Quiz 9: Unit 5. Part 1. Question 6. Watch the Unit 5 Part 1 lecture video and answer
the following question: What happens when a tectonic plate moves over a hotspot? -
✔✔It causes a chain of volcanoes to be formed
✔✔Quiz 9: Unit 5. Part 2. Question 7. Watch the Unit 5 Part 2 lecture video and answer
the following question: What parameter measures the resistance of a fluid to flow?? -
✔✔Viscosity
✔✔Quiz 9: Unit 5. Part 2. Question 8. Watch the Unit 5 Part 2 lecture video and answer
the following question: Which kind of volcano forms by alternating layers of lava and
pyroclastic flows? - ✔✔Stratovolcanoes
✔✔Quiz 9: Unit 5. Part 2. Question 9. Watch the Unit 5 Part 2 lecture video and answer
the following question: What is it called when lava flows out of a volcano unexplosively?
- ✔✔An effusive eruption
✔✔Quiz 9: Unit 5. Part 2. Question 10. Watch the Unit 5 Part 2 lecture video and
answer the following question: Which combination of magma viscosity and gas content
is most likely to lead to explosive volcanic eruptions? - ✔✔high viscosity, high gas
content
✔✔Quiz 10: Unit 5. Part 3. Question 1. Watch the Unit 5 Part 3 lecture video and
answer the following question: Why are Mercury, Venus, and Mars covered by giant
flood basalt while the Earth is not? - ✔✔Because they do not have plate tectonics to
shed interior heat
✔✔Quiz 10: Unit 5. Part 3. Question 2. Watch the Unit 5 Part 3 lecture video and
answer the following question: How do we know that Venus was completely resurfaced
by volcanism ~500 million years ago? - ✔✔The uniform distribution of impact craters
✔✔Quiz 10: Unit 5. Part 3. Question 3. Watch the Unit 5 Part 3 lecture video and
answer the following question: In comparison to Hawaii (Mauna Kea), Olympus Mons
on Mars is a much bigger hot spot volcano. Which of the following helps volcanoes grow
larger on Mars? - ✔✔All of the above
a. Gravity on Mars is 1/3 that of Earth's
b. Mars does not have plate tectonics
c. Mars does not have significant erosion processes
d. All of the above
, ✔✔Quiz 10: Unit 5. Part 3. Question 4. Watch the Unit 5 Part 3 lecture video and
answer the following question: How do we know that the mare basalt that fills large
impact basins on the Moon are much younger than the impact basins themselves? -
✔✔By having less impact craters than the surrounding regions
✔✔Quiz 10: Unit 5. Part 4. Question 5. Watch the Unit 5 Part 4 lecture video and
answer the following question: How does a Caldera form? - ✔✔When the ground
collapses due to an emptying magma chamber.
✔✔Quiz 10: Unit 5. Part 4. Question 6. Watch the Unit 5 Part 4 lecture video and
answer the following question: What feature on Io overloaded the infrared camera on
the Galileo spacecraft. - ✔✔A lava fountain
✔✔Quiz 10: Unit 5. Part 4. Question 7. Watch the Unit 5 Part 4 lecture video and
answer the following question: In which part of the eruption column does ash rise
because of buoyancy? - ✔✔The convective ascent region
✔✔Quiz 10: Unit 5. Part 5. Question 8. Watch the Unit 5 Part 5 lecture video and
answer the following question: What is cryovolcanism? - ✔✔The eruption of water or
ices out of a volcano instead of molten rock.
✔✔Quiz 10: Unit 5. Part 5. Question 9. Watch the Unit 5 Part 5 lecture video and
answer the following question: What is the evidence of cryovolcanism on Neptune's
moon Triton? - ✔✔Dark streaks across its surface are nitrogen ice deposits from
cryovolcanism.
✔✔Quiz 10: Unit 5. Part 5. Question 10. Watch the Unit 5 Part 5 lecture video and
answer the following question: What is the easiest way to sample the subsurface ocean
of Enceladus? - ✔✔By sampling Saturn's E-ring
✔✔Quiz 11: Unit 6. Part 1. Question 1. Watch the Unit 6 Part 1 lecture video and
answer the following question: What does the minimum impact velocity of an asteroid
depend on? - ✔✔The escape velocity of the target planet
✔✔Quiz 11: Unit 6. Part 1. Question 2. Watch the Unit 6 Part 1 lecture video and
answer the following question: With the Earth's mass (gravity) so much larger than the
Mercury's, why do asteroids hit Mercury with higher velocities? - ✔✔Because Mercury is
much closer to the Sun
✔✔Quiz 11: Unit 6. Part 1. Question 3. Watch the Unit 6 Part 1 lecture video and
answer the following question: Why are impact craters generally 10-30 times bigger
than the impactor itself and almost always round? - ✔✔All of the above
QUESTIONS SET A+
✔✔Quiz 8: Unit 4. Part 6. Question 8. Watch the Unit 4 Part 6 lecture video and answer
the following question: Why do Mercury and Venus have weak or no magnetic fields? -
✔✔c. Because they have very slow spin rates
✔✔Quiz 8: Unit 4. Part 6. Question 9. Watch the Unit 4 Part 6 lecture video and answer
the following question: What material layer powers the magnetic fields of Jupiter and
Saturn? - ✔✔b. Metallic hydrogen
✔✔Quiz 8: Unit 4. Part 6. Question 10. Watch the Unit 4 Part 6 lecture video and
answer the following question: What material layer powers the magnetic fields of
Uranus and Neptune? - ✔✔Water mixed with ammonia
✔✔Quiz 9: Unit 5. Part 1. Question 1. Watch the Unit 5 Part 1 lecture video and answer
the following question: Which of the following is not true? - ✔✔Tectonic plates float on
an ocean of molten rock
✔✔Quiz 9: Unit 5. Part 1. Question 2. Watch the Unit 5 Part 1 lecture video and answer
the following question: Which will cause hot, but still solid, rocks to melt? -
✔✔Decreasing pressure
✔✔Quiz 9: Unit 5. Part 1. Question 3. Watch the Unit 5 Part 1 lecture video and answer
the following question: Which type of volcanism is observed to occur on the other
terrestrial planets? - ✔✔Hot spot volcanism
✔✔Quiz 9: Unit 5. Part 1. Question 4. Watch the Unit 5 Part 1 lecture video and answer
the following question: In which type of tectonic setting is magma generated by
hydration induced melting? - ✔✔Subduction zones
,✔✔Quiz 9: Unit 5. Part 1. Question 5. Watch the Unit 5 Part 1 lecture video and answer
the following question: What causes hot rocks to melt at hotspots? - ✔✔Depressurized
melting
✔✔Quiz 9: Unit 5. Part 1. Question 6. Watch the Unit 5 Part 1 lecture video and answer
the following question: What happens when a tectonic plate moves over a hotspot? -
✔✔It causes a chain of volcanoes to be formed
✔✔Quiz 9: Unit 5. Part 2. Question 7. Watch the Unit 5 Part 2 lecture video and answer
the following question: What parameter measures the resistance of a fluid to flow?? -
✔✔Viscosity
✔✔Quiz 9: Unit 5. Part 2. Question 8. Watch the Unit 5 Part 2 lecture video and answer
the following question: Which kind of volcano forms by alternating layers of lava and
pyroclastic flows? - ✔✔Stratovolcanoes
✔✔Quiz 9: Unit 5. Part 2. Question 9. Watch the Unit 5 Part 2 lecture video and answer
the following question: What is it called when lava flows out of a volcano unexplosively?
- ✔✔An effusive eruption
✔✔Quiz 9: Unit 5. Part 2. Question 10. Watch the Unit 5 Part 2 lecture video and
answer the following question: Which combination of magma viscosity and gas content
is most likely to lead to explosive volcanic eruptions? - ✔✔high viscosity, high gas
content
✔✔Quiz 10: Unit 5. Part 3. Question 1. Watch the Unit 5 Part 3 lecture video and
answer the following question: Why are Mercury, Venus, and Mars covered by giant
flood basalt while the Earth is not? - ✔✔Because they do not have plate tectonics to
shed interior heat
✔✔Quiz 10: Unit 5. Part 3. Question 2. Watch the Unit 5 Part 3 lecture video and
answer the following question: How do we know that Venus was completely resurfaced
by volcanism ~500 million years ago? - ✔✔The uniform distribution of impact craters
✔✔Quiz 10: Unit 5. Part 3. Question 3. Watch the Unit 5 Part 3 lecture video and
answer the following question: In comparison to Hawaii (Mauna Kea), Olympus Mons
on Mars is a much bigger hot spot volcano. Which of the following helps volcanoes grow
larger on Mars? - ✔✔All of the above
a. Gravity on Mars is 1/3 that of Earth's
b. Mars does not have plate tectonics
c. Mars does not have significant erosion processes
d. All of the above
, ✔✔Quiz 10: Unit 5. Part 3. Question 4. Watch the Unit 5 Part 3 lecture video and
answer the following question: How do we know that the mare basalt that fills large
impact basins on the Moon are much younger than the impact basins themselves? -
✔✔By having less impact craters than the surrounding regions
✔✔Quiz 10: Unit 5. Part 4. Question 5. Watch the Unit 5 Part 4 lecture video and
answer the following question: How does a Caldera form? - ✔✔When the ground
collapses due to an emptying magma chamber.
✔✔Quiz 10: Unit 5. Part 4. Question 6. Watch the Unit 5 Part 4 lecture video and
answer the following question: What feature on Io overloaded the infrared camera on
the Galileo spacecraft. - ✔✔A lava fountain
✔✔Quiz 10: Unit 5. Part 4. Question 7. Watch the Unit 5 Part 4 lecture video and
answer the following question: In which part of the eruption column does ash rise
because of buoyancy? - ✔✔The convective ascent region
✔✔Quiz 10: Unit 5. Part 5. Question 8. Watch the Unit 5 Part 5 lecture video and
answer the following question: What is cryovolcanism? - ✔✔The eruption of water or
ices out of a volcano instead of molten rock.
✔✔Quiz 10: Unit 5. Part 5. Question 9. Watch the Unit 5 Part 5 lecture video and
answer the following question: What is the evidence of cryovolcanism on Neptune's
moon Triton? - ✔✔Dark streaks across its surface are nitrogen ice deposits from
cryovolcanism.
✔✔Quiz 10: Unit 5. Part 5. Question 10. Watch the Unit 5 Part 5 lecture video and
answer the following question: What is the easiest way to sample the subsurface ocean
of Enceladus? - ✔✔By sampling Saturn's E-ring
✔✔Quiz 11: Unit 6. Part 1. Question 1. Watch the Unit 6 Part 1 lecture video and
answer the following question: What does the minimum impact velocity of an asteroid
depend on? - ✔✔The escape velocity of the target planet
✔✔Quiz 11: Unit 6. Part 1. Question 2. Watch the Unit 6 Part 1 lecture video and
answer the following question: With the Earth's mass (gravity) so much larger than the
Mercury's, why do asteroids hit Mercury with higher velocities? - ✔✔Because Mercury is
much closer to the Sun
✔✔Quiz 11: Unit 6. Part 1. Question 3. Watch the Unit 6 Part 1 lecture video and
answer the following question: Why are impact craters generally 10-30 times bigger
than the impactor itself and almost always round? - ✔✔All of the above