Question 1

What formed the lunar maria?

Accepted Answer

A)   ancient lava flows
B)   Earth-moon collision
C)   volcanic eruptions
D)   erosion
E)   tectonic plate movementF) C) and E)
G) C) and D)

Question 2

During which stage of planetary development did the lunar maria form?

Accepted Answer

A)   cratering
B)   differentiation
C)   flooding
D)   tectonic plate movement
E)   slow surface evolutionF) A) and C)
G) A) and E)

Question 3

What may have caused Mercury to have a large metallic core and a relatively thin crust?

Accepted Answer

A)   a large impact
B)   tidal coupling with the Sun
C)   solar wind clearing the nebula
D)   a slow orbital period
E)   a long period of floodingF) B) and E)
G) A) and E)

Question 4

What makes up the dark colors of the lunar lowlands?

Accepted Answer

A)   sedimentary rock
B)   anorthosite
C)   andesite
D)   basalt
E)   ironF) C) and D)
G) None of the above

Question 5

Many Moon rocks are classified as _______________, which are made up of fragments of earlier rocks cemented together by heat and pressure.

Accepted Answer

breccias

Question 6

The Apollo spacecraft had a(n) _______________  tacked on the front of the command module.

Accepted Answer

lunar land...

Question 7

Because of the _______________, atoms in Mercury's atmosphere just bounce around and eventually disappear into space.

Accepted Answer

The answer of Because of the _______________, atoms in Mercury's...

Question 8

The Moon's gravity is only _______________ that of Earth.

Accepted Answer

one sixth,...

Question 9

There is no air on the Moon to scatter light and soften shadows

Accepted Answer

A) True 
 B)False

Question 10

It is believed that a giant impact may have taken away some of Mercury's low-density crustal rock and left a small, dense world with a(n) large, dense, and _______________ core.

Accepted Answer

The answer of It is believed that a giant impact...

Question 11

What part of the Apollo spacecraft actually returned to Earth?

Accepted Answer

A)   descent rocket
B)   lunar module
C)   rocket boosters
D)   command module
E)   support stageF) D) and E)
G) B) and D) D

Question 12

The rate of heat loss of a planet is proportional to its _______________, thus the smaller the world, the faster it is for heat to escape.

Accepted Answer

The answer of The rate of heat loss of a...

Question 13

Which best describes Mercury's plains?

Accepted Answer

A)   heavily impacted with craters and large rays
B)   solidified lava flows that are a uniform gray color
C)   a geologically active surface of molten lava
D)   solidified lava flows rich in dark basalts
E)   a rich layer of soil containing iron and silicateF) C) and E)
G) D) and E)

Question 14

Which Apollo mission never made it to the lunar surface?

Accepted Answer

A)   Apollo 11
B)   Apollo 12
C)   Apollo 13
D)   Apollo 14
E)   Apollo 15F) A) and E)
G) B) and C)

Question 15

Since there are no folded mountain chains on the Moon, what does this imply about the Moon's geology?

Accepted Answer

A)   Plate tectonics does not exist on the moon.
B)   The geological history is extremely short.
C)   Mountains were worn down by erosion.
D)   Mountains were destroyed during the heavy bombardment.
E)   Mountains were destroyed during the heavy bombardmentF) A) and E)
G) C) and D) A

Question 16

The lunar maria are ancient _______________ that have apparently covered older, cratered lowlands.

Accepted Answer

The answer of The lunar maria are ancient _______________ that...

Question 17

What is the Moon's gravity?

Accepted Answer

A)   There is no gravity on the Moon.
B)   1/3 of Earth's gravity
C)   1/2 of Earth's gravity
D)   1/6 of Earth's gravity
E)   The Moon's gravity is the same as that of Earth.F) A) and C)
G) A) and B)

Question 18

Because the Moon has a low average density and no magnetic field, then its dense core must be _______________.

Accepted Answer

The answer of Because the Moon has a low average...

Question 19

Between July 1969 and December 1972, 17 people reached the surface of the Moon.

Accepted Answer

A) True 
 B)False

Question 20

What space mission is currently exploring Mercury? What information has this mission so far provided about the planet?

Accepted Answer

A new spacecraft called MESSENGER (Mercu...

Exam 21: The Moon and Mercury

What formed the lunar maria?

Correct AnswerverifiedShow Answer

During which stage of planetary development did the lunar maria form?

Correct AnswerverifiedShow Answer

What may have caused Mercury to have a large metallic core and a relatively thin crust?

Correct AnswerverifiedShow Answer

What makes up the dark colors of the lunar lowlands?

Correct AnswerverifiedShow Answer

Many Moon rocks are classified as _______________, which are made up of fragments of earlier rocks cemented together by heat and pressure.

Correct Answerverifiedbreccias

The Apollo spacecraft had a(n) _______________ tacked on the front of the command module.

Correct Answerverifiedlunar land...View AnswerShow Answer

Because of the _______________, atoms in Mercury's atmosphere just bounce around and eventually disappear into space.

Correct AnswerverifiedShow Answer

The Moon's gravity is only _______________ that of Earth.

Correct Answerverifiedone sixth,...View AnswerShow Answer

There is no air on the Moon to scatter light and soften shadows

Correct AnswerverifiedShow Answer

It is believed that a giant impact may have taken away some of Mercury's low-density crustal rock and left a small, dense world with a(n) large, dense, and _______________ core.

Correct AnswerverifiedShow Answer

What part of the Apollo spacecraft actually returned to Earth?

Correct AnswerverifiedD

The rate of heat loss of a planet is proportional to its _______________, thus the smaller the world, the faster it is for heat to escape.

Correct AnswerverifiedShow Answer

Which best describes Mercury's plains?

Correct AnswerverifiedShow Answer

Which Apollo mission never made it to the lunar surface?

Correct AnswerverifiedShow Answer

Since there are no folded mountain chains on the Moon, what does this imply about the Moon's geology?

Correct AnswerverifiedA

The lunar maria are ancient _______________ that have apparently covered older, cratered lowlands.

Correct AnswerverifiedShow Answer

What is the Moon's gravity?

Correct AnswerverifiedShow Answer

Because the Moon has a low average density and no magnetic field, then its dense core must be _______________.

Correct AnswerverifiedShow Answer

Between July 1969 and December 1972, 17 people reached the surface of the Moon.

Correct AnswerverifiedShow Answer

What space mission is currently exploring Mercury? What information has this mission so far provided about the planet?

Correct AnswerverifiedA new spacecraft called MESSENGER (Mercu...View AnswerShow Answer

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breccias

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lunar land...
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one sixth,...
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D

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A

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A new spacecraft called MESSENGER (Mercu...
View Answer