Glencoe Earth Science

Chapter 24: The Solar System

Use Percentages

1.
The average density of Earth is 5.52 g/cm3. The average density of Mars is 71.4 percent of the average density of Earth. Calculate the average density of Mars.
A)5.4 g/cm3
B)2.2 g/cm3
C)5.2 g/cm3
D)3.9 g/cm3
2.
The average density of Earth is 5.52 g/cm3. The average density of Venus is 94.9 percent of the average density of Earth. Calculate the average density of Venus.
A)5.2 g/cm3
B)5.4 g/cm3
C)5.55 g/cm3
D)6.00 g/cm3
3.
The average density of Earth is 5.52 g/cm3. The average density of Mercury is 98.4 percent of the average density of Earth. Calculate the average density of Mercury.
A)3.94 g/cm3
B)5.24 g/cm3
C)5.43 g/cm3
D)2.25 g/cm3
4.
The average orbital speed of Earth is 30 km/s. The average orbital speed of Mars is 80 percent of the average orbital speed of Earth. Calculate the average orbital speed of Mars.
A)13 km/s
B)24 km/s
C)9.7 km/s
D)5.4 km/s
5.
The average orbital speed of Earth is 30 km/s. The average orbital speed of Venus is 116.6 percent of the average orbital speed of Earth. Calculate the average orbital speed of Mars.
A)35 km/s
B)24 km/s
C)9.7 km/s
D)2.25 km/s
6.
The average orbital speed of Earth is 30 km/s. The average orbital speed of Jupiter is 43.3 percent of the average orbital speed of Earth. Calculate the average orbital speed of Mars.
A)24 km/s
B)13 km/s
C)35 km/s
D)45 km/s
7.
The average orbital speed of Earth is 30 km/s. The average orbital speed of Saturn is 32.3 percent of the average orbital speed of Earth. Calculate the average orbital speed of Mars.
A)18 km/s
B)12.2 km/s
C)9.7 km/s
D)24 km/s
8.
The average orbital speed of Earth is 30 km/s. The average orbital speed of Neptune is 18 percent of the average orbital speed of Earth. Calculate the average orbital speed of Mars.
A)5.4 km/s
B)4.7 km/s
C)3.2 km/s
D)2.2 km/s
9.
The average orbital speed of Earth is 30 km/s. The average orbital speed of Pluto is 15.6 percent of the average orbital speed of Earth. Calculate the average orbital speed of Mars.
A)13 km/s
B)5.4 km/s
C)9.7 km/s
D)4.7 km/s
10.
The average orbital speed of Earth is 30 km/s. The average orbital speed of Uranus is 22.6 percent of the average orbital speed of Earth. Calculate the average orbital speed of Mars.
A)p.7 km/s
B)6.8 km/s
C)11.5 km/s
D)25 km/s
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