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Chapter 6

Terrestrial

Worlds in the

Inner Solar

System

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Imagine taking a picture of the Moon about 2 billion years ago. What would you expectto see?

A. It would have many fewer craters.

B. It would have many more craters.

C. It would have about as many craters as it does now.

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How many of the 4 terrestrial

planets have a lithosphere

broken into plates?

A. 0

B. 1

C. 2

D. 3

E. 4

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A moon covered with numerous and very

old craters created by meteorite

impacts likely

a) has no ocean to cover the craters.

b) orbits a large Jupiter sized planet.

c) has a cold, solid interior.

d) has no protective magnetic field.

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You discover an Earth-like planet

around another star, but the planet

has twice the mass of Earth. What

would you NOT expect to see?

A. A highly cratered surface.

B. An atmosphere.

C. Volcanoes and tectonic plates.

D. Erosion and weathering.