Earth Science Geology, the Environment, and the Universe

Section 2: The Inner Planets

Self-Check Quizzes-English

1
The inner four planets of our solar system are called the __________ planets and the next four are called the __________ planets.
A)terrestrial, gas giant
B)rocky, gas-like
C)hard, soft
D)gas giant, terrestrial
2
Which characteristic of Mars led astronomers think that liquid water once existed on that planet?
A)evidence of once living plants and animals
B)dried river and lake beds
C)minerals that precipitated from evaporating water
D)the red color of the planet's surface
3
Use the table to determine the largest terrestrial planet.
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A)Venus
B)Mars
C)Mercury
D)Earth
4
Why can't astronomers directly observe the surface of Venus without landing probes on the surface?
A)The surface is covered by thick clouds.
B)Venus has a high albedo.
C)Venus has a clockwise spin.
D)The surface is covered by thick ice sheets.
5
What is Olympus Mons?
A)a scarp on Mercury
B)a composite volcano on Venus
C)a large shield volcano on Mars
D)one of Mars' moons
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