QUIZ PLANETS

Which three words best describe the composition of the inner planets?

• solid, smooth, giant

• rocky, solid, dense

• giant, dense, gaseous

• gaseous, smooth, small

Which characteristic do Venus and Earth share?

• same direction of rotation

• similar size, mass, and density

• slow revolution period around the Sun

• atmosphere composed only of carbon dioxide

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

• Mercury has rings.

• Mercury has no moon.

• Mercury has slow revolutions.

• Mercury has an atmosphere of carbon dioxide.

Which statement accurately describes the atmospheres of the inner planets?

• Mars has no atmosphere.

• Mercury has a thick atmosphere.

• Mars and Venus have similar atmospheres.

• Earth and Venus have similar atmospheres.

Which statement describes the size of the inner planets?

• All the inner planets, except Mercury, are large.

• The inner planets are larger than the outer planets.

• All the inner planets are smaller than the outer planets.

• Mars is a large planet, while the other inner planets are small.

Which statement describes the density of the inner planets?

• All the inner planets are dense

• The inner planets are less dense than the outer planets.

• Earth is dense, while the other inner planets are not.

• Mercury and Venus are dense, while Earth and Mars are not.

Which is one characteristic that Mars and Earth share?

• rings

• seasons

• few clouds

• active volcanoes

Which phrase best describes the outer planets?

• rocky with few moons

• gaseous with slow rotations

• dense with few moons

• gaseous with low density

Which phrase describes how Jupiter and Saturn are similar?

• visible storms

• slow rotations

• many moons

• fast revolutions

Which two phrases describe the motion of all the outer planets?

• no rotation, slow revolution

• fast rotation, slow revolution

• north-to-south rotation, slow revolution

• no rotation, opposite revolution