Download Quick Review Questions 8.4.e Earth in the Solar System (Earth

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8.4.e
Earth in the Solar System (Earth Sciences)
Students know the appearance, general composition, relative position
and size, and motion of objects in the solar system, including planets,
planetary satellites, comets, and asteroids.
P47
Mercury
Venus
Earth
Mars
The Inner Planets
Planet
Period of
Rotation
(Earth days)
Average Distance
From Sun
(AU)
Period of
Revolution
(Earth years)
Number of
Moons
Diameter
Radius
4,879
2,440
59
0.39
0.24
0
Venus
12,104
6,052
243
0.72
0.62
0
Earth
12,756
6,378
1
1.0
1
1
Mars
6,794
3,397
1.03
1.5
1.9
2
Mercury
© Pearson Education, Inc., publishing as Pearson Prentice Hall. All rights reserved.
Size
(kilometers)
Quick Review
◆ The inner planets (Mercury, Venus, Earth, and Mars)
tend to be relatively small and are composed
primarily of rock.
Questions
1. Which of the inner planets is comparable in size to
Earth?
A. Mercury
B. Mars
C. Pluto
D. Venus
2. How are the atmospheres of Venus and Mars similar
to each other and different from the atmosphere of
Earth?
1. D
2. The atmospheres of Venus and Mars are made up mostly of carbon dioxide. Earth’s atmosphere is mostly a mix of
nitrogen and oxygen.
sx07_CAG8_SRT_1-85.qxd 7/6/06 4:48 PM Page 48
8.4.e
Earth in the Solar System (Earth Sciences)
Students know the appearance, general composition, relative position
and size, and motion of objects in the solar system, including planets,
planetary satellites, comets, and asteroids.
P48
Pluto
Neptune
Uranus
Jupiter
Saturn
The Outer Planets
© Pearson Education, Inc., publishing as Pearson Prentice Hall. All rights reserved.
Size
(kilometers)
Average Distance
From Sun
(AU)
Period of
Revolution
(Earth years)
Number of
Moons
Diameter
Radius
Period of
Rotation
(Earth days)
Jupiter
143,000
71,490
0.41
5.2
12
63+
Saturn
120,500
60,270
0.45
9.6
29
47+
Uranus
51,120
25,560
0.72
19.2
84
27+
Neptune
49,530
24,760
0.67
30.0
164
13+
2,390
1,200
6.4
39.2
248
1
Planet
Pluto
Quick Review
◆ The outer planets (Jupiter, Saturn, Uranus, and
Neptune) are generally much larger than the inner
planets and are composed primarily of gas.
Questions
1. Which of the outer planets moves fastest around
the sun?
A. Jupiter
B. Saturn
C. Uranus
D. Neptune
2. Which two elements make up most of the gas found in
the atmospheres of Jupiter and Saturn?
1. A
2. Hydrogen and helium