Question 1

When do spring tides occur? How much tidal variation is noted?

Accepted Answer

When Earth, Moon, and Sun are aligned, at new and full phases. The difference between high and low tides is large.

Question 2

What are the short- and long- term effects of the Moon's tides on our rotation?

Accepted Answer

The Moon slows down our rotati...

Question 3

Greenhouse gases in our atmosphere trap just enough heat to keep the Earth's oceans liquid.

Accepted Answer

A) True 
 B)False

Question 4

Which statement about seismic waves is true?

Accepted Answer

A)   Only S waves can travel through liquid.
B)   On the far side of the Earth, only the S waves on the surface can be detected.
C)   P waves travel faster, and thus arrive sooner than do the S waves.
D)   In the shadow zones, neither type is observed.
E)   S waves can travel though the outer core, but P waves cannot.F) None of the above
G) A) and B)

Question 5

Without the greenhouse effect operating in our atmosphere,

Accepted Answer

A)   the Earth would have become much more like Venus long ago.
B)   we would not have to worry about any warming problems in the future.
C)   the ice in the polar regions would have melted long ago.
D)   the ozone layer would not be weakening.
E)   Earth would have an average temperature of - 23 degrees Celsius.F) D) and E)
G) A) and B)

Question 6

Explain how crater counts allow us to estimate the ages of surfaces throughout the solar system.

Accepted Answer

Craters are the rule… everybody was a ta...

Question 7

Why does the Moon lack an atmosphere?

Accepted Answer

Its atmosphere escap...

Question 8

The bulk density of the Moon is than that of the Earth it orbits.

Accepted Answer

The answer of The bulk density of the Moon is...

Question 9

Seismic S- waves can travel through Earth's liquid outer core.

Accepted Answer

A) True 
 B)False

Question 10

The Earth and Moon always keep the same side towards each other.

Accepted Answer

A) True 
 B)False

Question 11

Where is the most obvious example of a mountain chain built by continental collision in plate tectonics? Which plates are involved in this head- on collision?

Accepted Answer

The Himalaya Mountains are the result of the uplifting as the Indian subcontinent has rammed into Asia in the last 30 million years.

Question 12

What does it mean when we say the Earth's interior is differentiated?

Accepted Answer

In a molten state, the denser ...

Question 13

The major presence of water detected on the Moon is in

Accepted Answer

A)   the puffs of steam seen coming from some still active lunar volcanoes.
B)   the flows of mud seen on the walls of some craters.
C)   the floors of deep craters in the polar regions, as ice deposits that never thaw.
D)   the mare.
E)   faint clouds of ice in the thin lunar atmosphere.F) A) and B)
G) A) and C) C

Question 14

What were the two primary courses of heating that let the Earth differentiate?

Accepted Answer

Impacts of interplan...

Question 15

The seismic waves can pass through both solid and liquid portions of the Earth's interior, and be detected on the other side of the globe.

Accepted Answer

The answer of The seismic waves can pass through both...

Question 16

Compared to Earth, the Moon lacks a hydrosphere, atmosphere, and a magnetosphere.

Accepted Answer

A) True 
 B)False

Question 17

The oldest rocks found on the Earth's surface date back about billion years.

Accepted Answer

A)   one
B)   two
C)   three
D)   four
E)   four and a halfF) C) and D)
G) A) and B)

Question 18

In what part of our atmosphere do we live?

Accepted Answer

A)   stratosphere
B)   exosphere
C)   troposphere
D)   mesosphere
E)   ionosphereF) A) and D)
G) B) and D)

Question 19

The maria are really seas of long since hardened , a dark volcanic rock that also makes up the ocean basins of Earth.

Accepted Answer

The answer of The maria are really seas of long...

Question 20

The Van Allen belts are cloud layers in the jet streams of the stratosphere, similar to the belts that Galileo saw on Jupiter.

Accepted Answer

A) True 
 B)False

Exam 6: Earth and Its Moon: Our Cosmic Backyard

When do spring tides occur? How much tidal variation is noted?

Correct AnswerverifiedWhen Earth, Moon, and Sun are aligned, at new and full phases. The difference between high and low tides is large.

What are the short- and long- term effects of the Moon's tides on our rotation?

Correct AnswerverifiedThe Moon slows down our rotati...View AnswerShow Answer

Greenhouse gases in our atmosphere trap just enough heat to keep the Earth's oceans liquid.

Correct AnswerverifiedShow Answer

Which statement about seismic waves is true?

Correct AnswerverifiedShow Answer

Without the greenhouse effect operating in our atmosphere,

Correct AnswerverifiedShow Answer

Explain how crater counts allow us to estimate the ages of surfaces throughout the solar system.

Correct AnswerverifiedCraters are the rule… everybody was a ta...View AnswerShow Answer

Why does the Moon lack an atmosphere?

Correct AnswerverifiedIts atmosphere escap...View AnswerShow Answer

The bulk density of the Moon is than that of the Earth it orbits.

Correct AnswerverifiedShow Answer

Seismic S- waves can travel through Earth's liquid outer core.

Correct AnswerverifiedShow Answer

The Earth and Moon always keep the same side towards each other.

Correct AnswerverifiedShow Answer

Where is the most obvious example of a mountain chain built by continental collision in plate tectonics? Which plates are involved in this head- on collision?

Correct AnswerverifiedThe Himalaya Mountains are the result of the uplifting as the Indian subcontinent has rammed into Asia in the last 30 million years.

What does it mean when we say the Earth's interior is differentiated?

Correct AnswerverifiedIn a molten state, the denser ...View AnswerShow Answer

The major presence of water detected on the Moon is in

Correct AnswerverifiedC

What were the two primary courses of heating that let the Earth differentiate?

Correct AnswerverifiedImpacts of interplan...View AnswerShow Answer

The seismic waves can pass through both solid and liquid portions of the Earth's interior, and be detected on the other side of the globe.

Correct AnswerverifiedShow Answer

Compared to Earth, the Moon lacks a hydrosphere, atmosphere, and a magnetosphere.

Correct AnswerverifiedShow Answer

The oldest rocks found on the Earth's surface date back about billion years.

Correct AnswerverifiedShow Answer

In what part of our atmosphere do we live?

Correct AnswerverifiedShow Answer

The maria are really seas of long since hardened , a dark volcanic rock that also makes up the ocean basins of Earth.

Correct AnswerverifiedShow Answer

The Van Allen belts are cloud layers in the jet streams of the stratosphere, similar to the belts that Galileo saw on Jupiter.

Correct AnswerverifiedShow Answer

Correct Answer
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When Earth, Moon, and Sun are aligned, at new and full phases. The difference between high and low tides is large.

Correct Answer
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The Moon slows down our rotati...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Craters are the rule… everybody was a ta...
View Answer

Correct Answer
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Its atmosphere escap...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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The Himalaya Mountains are the result of the uplifting as the Indian subcontinent has rammed into Asia in the last 30 million years.

Correct Answer
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In a molten state, the denser ...
View Answer

Correct Answer
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C

Correct Answer
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Impacts of interplan...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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