BYU GEOL 109 FINAL EXAM
Would you expect to find young basaltic lavas at the surface of Callisto? Why?
(Select all that apply.)
A. No, because it is too cold.
B. No, because it does not have silicates near the surface that could melt.
C. Yes, Callisto is strongly tidally heated to create magma.
D. Yes, large areas of dark, smooth plains are evidence that there are young
lavas on Callisto. - ANSWERS-A. No, because it is too cold.
B. No, because it does not have silicates near the surface that could melt.
Arrange these images of Jupiter's satellites by their distance from Jupiter as they
orbit. Place the closest satellite on the top and the farthest one on the bottom. -
ANSWERS-Order:
Io
Europa
Ganymede
Callisto
Saturn is the most similar in composition and internal structure to which of the
planets below.
A. Mercury
B. Mars
C. Jupiter
D. Neptune - ANSWERS-C. Jupiter
,When comparing Jupiter and Saturn, which of the following is correct? (Select
all that apply.)
A. Jupiter has no rings.
B. Jupiter is denser.
C. Jupiter is smaller.
D. Jupiter has more large satellites (those larger than the moon). - ANSWERS-
B. Jupiter is denser.
D. Jupiter has more large satellites (those larger than the moon).
Compared to Jupiter, Saturn has a yellowish tint. What gives it this color?
A. Sulfur in the clouds
B. Methane in the atmosphere
C. Metallic hydrogen in the interior
D. Molecular hydrogen in the atmosphere
E. Crystals of ammonia ice and hydrocarbons in the atmosphere - ANSWERS-
E. Crystals of ammonia ice and hydrocarbons in the atmosphere
What is the most likely explanation for Saturn's magnetic field?
A. The magnetic field forms by convection in a shell of metallic hydrogen.
B. The magnetic field forms by convection in the upper atmosphere.
C. Saturn has no magnetic field. It isn't spinning fast enough.
D. Saturn has no magnetic field. It has the wrong composition. - ANSWERS-A.
The magnetic field forms by convection in a shell of metallic hydrogen.
,What is the most abundant of the gases comprising Saturn?
A. nitrogen
B. helium
C. hydrogen
D. ammonia - ANSWERS-C. hydrogen
What is the most important source of energy that drives the circulation of
Saturn's atmosphere?
A. solar heating
B. rotation
C. heat released from the interior
D. large storms in the outer atmosphere
E. the large magnetic field - ANSWERS-C. heat released from the interior
Which of the following is true about Saturn's rings?
A. They are a series of solid disks spinning around Saturn like a hula hoop.
B. The rings are composed of many small particles of water ice in orbit around
Saturn.
C. The rings have the same composition and brightness as the rings of Jupiter.
D. Saturn is the only planet with rings in our solar system. - ANSWERS-B. The
rings are composed of many small particles of water ice in orbit around Saturn.
The Roche limit _________________________. (Select all that apply.)
, A. is produced by tidal interaction between two planetary bodies
B. changes with the distance between two planetary bodies
C. is the distance inside which orbiting materials will not accrete together
D. is the attention span of students during a slide show - ANSWERS-A. is
produced by tidal interaction between two planetary bodies
C. is the distance inside which orbiting materials will not accrete together
Where is Saturn's Roche limit for small icy bodies in orbit around it?
A. Near the orbit of Tethys.
B. In the Cassini Division.
C. Near the outer edge of the rings.
D. Near the inner edge of the rings.
E. Just beyond the orbit of the outermost satellite. - ANSWERS-C. Near the
outer edge of the rings.
What causes the Cassini Division, the 400 km wide break in the rings of Saturn?
A. The tidal disruption of small bodies at this distance.
B. The low temperature at this distance.
C. Orbital resonance of the ring particles with the satellites. - ANSWERS-C.
Orbital resonance of the ring particles with the satellites.
What is the evidence that the moons of Saturn are generally icy?
A. They orbit near the icy rings of Saturn so they must also be icy.
Would you expect to find young basaltic lavas at the surface of Callisto? Why?
(Select all that apply.)
A. No, because it is too cold.
B. No, because it does not have silicates near the surface that could melt.
C. Yes, Callisto is strongly tidally heated to create magma.
D. Yes, large areas of dark, smooth plains are evidence that there are young
lavas on Callisto. - ANSWERS-A. No, because it is too cold.
B. No, because it does not have silicates near the surface that could melt.
Arrange these images of Jupiter's satellites by their distance from Jupiter as they
orbit. Place the closest satellite on the top and the farthest one on the bottom. -
ANSWERS-Order:
Io
Europa
Ganymede
Callisto
Saturn is the most similar in composition and internal structure to which of the
planets below.
A. Mercury
B. Mars
C. Jupiter
D. Neptune - ANSWERS-C. Jupiter
,When comparing Jupiter and Saturn, which of the following is correct? (Select
all that apply.)
A. Jupiter has no rings.
B. Jupiter is denser.
C. Jupiter is smaller.
D. Jupiter has more large satellites (those larger than the moon). - ANSWERS-
B. Jupiter is denser.
D. Jupiter has more large satellites (those larger than the moon).
Compared to Jupiter, Saturn has a yellowish tint. What gives it this color?
A. Sulfur in the clouds
B. Methane in the atmosphere
C. Metallic hydrogen in the interior
D. Molecular hydrogen in the atmosphere
E. Crystals of ammonia ice and hydrocarbons in the atmosphere - ANSWERS-
E. Crystals of ammonia ice and hydrocarbons in the atmosphere
What is the most likely explanation for Saturn's magnetic field?
A. The magnetic field forms by convection in a shell of metallic hydrogen.
B. The magnetic field forms by convection in the upper atmosphere.
C. Saturn has no magnetic field. It isn't spinning fast enough.
D. Saturn has no magnetic field. It has the wrong composition. - ANSWERS-A.
The magnetic field forms by convection in a shell of metallic hydrogen.
,What is the most abundant of the gases comprising Saturn?
A. nitrogen
B. helium
C. hydrogen
D. ammonia - ANSWERS-C. hydrogen
What is the most important source of energy that drives the circulation of
Saturn's atmosphere?
A. solar heating
B. rotation
C. heat released from the interior
D. large storms in the outer atmosphere
E. the large magnetic field - ANSWERS-C. heat released from the interior
Which of the following is true about Saturn's rings?
A. They are a series of solid disks spinning around Saturn like a hula hoop.
B. The rings are composed of many small particles of water ice in orbit around
Saturn.
C. The rings have the same composition and brightness as the rings of Jupiter.
D. Saturn is the only planet with rings in our solar system. - ANSWERS-B. The
rings are composed of many small particles of water ice in orbit around Saturn.
The Roche limit _________________________. (Select all that apply.)
, A. is produced by tidal interaction between two planetary bodies
B. changes with the distance between two planetary bodies
C. is the distance inside which orbiting materials will not accrete together
D. is the attention span of students during a slide show - ANSWERS-A. is
produced by tidal interaction between two planetary bodies
C. is the distance inside which orbiting materials will not accrete together
Where is Saturn's Roche limit for small icy bodies in orbit around it?
A. Near the orbit of Tethys.
B. In the Cassini Division.
C. Near the outer edge of the rings.
D. Near the inner edge of the rings.
E. Just beyond the orbit of the outermost satellite. - ANSWERS-C. Near the
outer edge of the rings.
What causes the Cassini Division, the 400 km wide break in the rings of Saturn?
A. The tidal disruption of small bodies at this distance.
B. The low temperature at this distance.
C. Orbital resonance of the ring particles with the satellites. - ANSWERS-C.
Orbital resonance of the ring particles with the satellites.
What is the evidence that the moons of Saturn are generally icy?
A. They orbit near the icy rings of Saturn so they must also be icy.
