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Planets Answers

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Which characteristic do Venus and Earth share?

A
same direction of rotation
B
similar size, mass, and density
C
slow revolution period around the Sun
D
atmosphere composed only of carbon dioxide
3

Which two planets have more than 50 confirmed moons?

A
Earth and Mercury
B
Jupiter and Saturn
C
Mercury and Mars
D
Neptune and Jupiter
4

Which statement best describes the size of the outer planets?

A
All the outer planets are large.
B
All the outer planets, except Saturn, are large.
C
The inner planets are larger than the outer planets.
D
Jupiter is a large planet, while the other outer planets are small.
5

Which phrase best describes the outer planets?

A
rocky with few moons
B
gaseous with slow rotations
C
dense with few moons
D
gaseous with low density
6

Which phrase describes how Jupiter and Saturn are similar?

A
visible storms
B
slow rotations
C
many moons
D
fast revolutions
7

Which two planets are called "ice giants”?

A
Jupiter and Venus
B
Neptune and Uranus
C
Saturn and Jupiter
D
Uranus and Saturn
8

Which statement describes the size of the inner planets?

A
All the inner planets, except Mercury, are large.
B
The inner planets are larger than the outer planets.
C
All the inner planets are smaller than the outer planets.
D
Mars is a large planet, while the other inner planets are small.
9

In addition to hot surface temperatures, which characteristic makes Mercury different from Earth?

A
Mercury has rings.
B
Mercury has no moon.
C
Mercury has slow revolutions.
D
Mercury has an atmosphere of carbon dioxide.
10

Which statement describes the density of the inner planets?

A
All the inner planets are dense.
B
The inner planets are less dense than the outer planets.
C
Earth is dense, while the other inner planets are not.
D
Mercury and Venus are dense, while Earth and Mars are not.

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Planets Answers — Earth Systems A