AnswersMO-Earth and Space Science APlanets

Planets Answers

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Which statement best describes the density of the outer planets?

A
All the outer planets have low density.
B
The outer planets are denser than the inner planets.
C
Saturn is dense, but the other outer planets are not.
D
Uranus and Neptune are dense, but Jupiter and Saturn are not.
2
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Which three words best describe the composition of the inner planets?

A
solid, smooth, giant
B
rocky, solid, dense
C
giant, dense, gaseous
D
gaseous, smooth, small
3

How does the tectonic activity of the terrestrial planets compare with that of the gas giants?

A
All of the terrestrial planets exhibit or have exhibited tectonic activity, but none of the gas giants have.
B
All of the gas giants experience tectonic activity, but none of the terrestrial planets do.
C
All of the gas giants experience tectonic activity, but only one terrestrial planet has tectonic plates.
D
All of the terrestrial planets exhibit or have exhibited tectonic activity, but only one gas giant has.
4

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
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 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.
7

Which phrase describes how Jupiter and Saturn are similar?

A
visible storms
B
slow rotations
C
many moons
D
fast revolutions
8

Which planet is the smallest and the closest to the Sun?

A
Earth
B
Mars
C
Mercury
D
Venus
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 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

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Planets Answers — MO-Earth and Space Science A