Section #: 29.3
The Gas Giant Planets
Practice Test
1.
Neptune's atmosphere had a persistent storm called __________.
a.
the Great Dark Spot
b.
the Giant Red Dot
c.
the Big Cloud
d.
the Spot
Hint
2.
What is the composition of Saturn's atmosphere?
a.
helium and oxygen
b.
sulfuric acid and hydrogen
c.
hydrogen and helium
d.
hydrogen, helium, and ammonia ice
Hint
3.
Use the table to determine the smallest gas giant planet.
Planet
Orbital Radius, a (AU)
Planetary Radius, r (km)
Planetary Mass, m (10
24
kg)
Mercury
0.387
2439.7
0.3302
Venus
0.723
6051.8
4.8685
Earth
1.0
6378.1
5.9736
Mars
1.524
3397
0.64185
Jupiter
5.204
71 492
1898.6
Saturn
9.582
60 268
568.46
Uranus
19.201
25 559
86.832
Neptune
30.047
24 764
102.43
Pluto
39.236
1195
0.0125
a.
Jupiter
b.
Saturn
c.
Uranus
d.
Neptune
Hint
4.
Why does Jupiter have a banded appearance?
a.
flow patterns in its atmosphere
b.
it's rings
c.
the Great Red Spot causes the bands
d.
due to it's four moons
Hint
5.
Which planets in the figure are similar in composition to the sun?
a.
1-4
b.
5-8
c.
1-4 and 9
d.
9
Hint
6.
What characteristics do the gas giants have in common?
a.
ring systems and moons
b.
are very large, 15 to 300 times the mass of Earth
c.
all of the answers are correct
d.
composed of lightweight elements such as hydrogen and helium
Hint
7.
What causes Uranus' blue appearance?
a.
surfuric acid in its atmosphere
b.
the methane in its atmosphere
c.
the ammonia ice droplets
d.
the vast oceans
Hint
8.
What are Jupiter's moons composed of?
a.
sulfuric acid
b.
iron and ice
c.
rock and ice
d.
hydrogen and helium
Hint
9.
Where did Saturn's rings most likely come from?
a.
leftover debris from a moon that was destroyed
b.
solar system formation
c.
the formation of Saturn
d.
gravitational attraction of ringlets
Hint
10.
Why is Pluto NOT classified as a terrestrial planet?
a.
it's atmospheric composition
b.
it's low density and small size
c.
the angle of it's orbital plane
d.
it's distance from the Sun
Hint
11.
Pluto and Charon are __________.
a.
satellites of gas giant planets
b.
extremely different in mass
c.
in different equatorial planes
d.
in synchronous rotation
Hint
