Question 1

How is the existence of Earth's unique atmosphere explained?

Accepted Answer

A)  The oxygen in Earth's atmosphere is a result of early life on Earth. 
B)  Volcanic gases containing nitrogen were outgassed from Earth's interior. 
C)  As Earth cooled, water vapor fell out of the atmosphere to form the oceans. 
D)  Ultraviolet radiation from the Sun freed the hydrogen, allowing it to escape. 
E)  When Earth formed, its atmosphere formed from the gases most common in the early solar system. 
A)  The oxygen in Earth's atmosphere is a result of early life on Earth. 
B)  Volcanic gases containing nitrogen were outgassed from Earth's interior. 
C)  As Earth cooled, water vapor fell out of the atmosphere to form the oceans. 
D)  Ultraviolet radiation from the Sun freed the hydrogen, allowing it to escape. 
E)  When Earth formed, its atmosphere formed from the gases most common in the early solar system.

Question 2

Where does the energy come from to create tidal bulges?

Accepted Answer

A)  The Sun's gravity 
B)  The orbital and rotational motion of the Earth and Moon 
C)  The heat from Earth's core 
D)  The movement of the Earth's oceans. 
E)  The temperature difference between the Moon's surface and its core 
A)  The Sun's gravity 
B)  The orbital and rotational motion of the Earth and Moon 
C)  The heat from Earth's core 
D)  The movement of the Earth's oceans. 
E)  The temperature difference between the Moon's surface and its core

Question 3

The Moon's crust is ________ km thick on the Earth side and ________ km thick on the far side.

Accepted Answer

The answer of The Moon's crust is ________ km thick...

Question 4

Which statement about seismic waves is FALSE?

Accepted Answer

A)  Both S and P waves can be detected by seismographs. 
B)  Close to the epicenter, both S and P waves can be recorded. 
C)  P waves travel faster, so the gap between their arrival times gives the source's distance. 
D)  Only P waves can be detected in the shadow zone. 
E)  S waves are blocked by the fluid outer core and cannot be observed on the other side of the planet from the epicenter. 
A)  Both S and P waves can be detected by seismographs. 
B)  Close to the epicenter, both S and P waves can be recorded. 
C)  P waves travel faster, so the gap between their arrival times gives the source's distance. 
D)  Only P waves can be detected in the shadow zone. 
E)  S waves are blocked by the fluid outer core and cannot be observed on the other side of the planet from the epicenter.

Question 5

Evidence that the Earth was nearly molten at one time comes from the differentiation of materials by ________ from core to crust.

Accepted Answer

The answer of Evidence that the Earth was nearly molten...

Question 6

Moonquakes on the Moon were detected by

Accepted Answer

A)  the radar observations over time from Earth. 
B)  the seismographs left these by the Apollo astronauts. 
C)  laser beams reflected off mirrors left on the Moon by Apollo missions. 
D)  seismographs attached to the Russian Lunar rovers. 
E)  telescopic observations of lunar landslides. 
A)  the radar observations over time from Earth. 
B)  the seismographs left these by the Apollo astronauts. 
C)  laser beams reflected off mirrors left on the Moon by Apollo missions. 
D)  seismographs attached to the Russian Lunar rovers. 
E)  telescopic observations of lunar landslides.

Question 7

In what part of our atmosphere do we live?

Accepted Answer

A)  Troposphere 
B)  Stratosphere 
C)  Mesosphere 
D)  Ionosphere 
E)  Exosphere 
A)  Troposphere 
B)  Stratosphere 
C)  Mesosphere 
D)  Ionosphere 
E)  Exosphere

Question 8

Relate the formation of the Himalayas to plate tectonics.

Accepted Answer

In the last 30 million years, the northw

Question 9

What is the process that physically transfers heat from a lower (hotter) to a higher (cooler) level?

Accepted Answer

A)  Radiation 
B)  Translation 
C)  Convection 
D)  Reflection 
E)  Conduction 
A)  Radiation 
B)  Translation 
C)  Convection 
D)  Reflection 
E)  Conduction

Question 10

Which statement about seismic waves is TRUE?

Accepted Answer

A)  Only S waves can travel through liquid. 
B)  P waves travel faster, and thus arrive sooner than do the S waves. 
C)  In the shadow zones, neither type is observed. 
D)  S waves can travel though the outer core, but P waves cannot. 
E)  On the far side of the Earth, only the S waves on the surface can be detected. 
A)  Only S waves can travel through liquid. 
B)  P waves travel faster, and thus arrive sooner than do the S waves. 
C)  In the shadow zones, neither type is observed. 
D)  S waves can travel though the outer core, but P waves cannot. 
E)  On the far side of the Earth, only the S waves on the surface can be detected.

Question 11

The continuing rise in the carbon dioxide in our atmosphere should cause our surface temperatures to rise.

Accepted Answer

A) True 
 B)False

Question 12

At what phase are the tides least noticeable?

Accepted Answer

A)  New Moon 
B)  Full Moon 
C)  Third quarter 
D)  Waxing crescent 
E)  Waning gibbous 
A)  New Moon 
B)  Full Moon 
C)  Third quarter 
D)  Waxing crescent 
E)  Waning gibbous

Question 13

Lunar ________ are the result of ancient lava flows on the Moon.

Accepted Answer

The answer of Lunar ________ are the result of ancient...

Question 14

Name the four layers of the Earth's atmosphere, going up from the surface.

Accepted Answer

tropospher

Question 15

Above about 80 km, the Sun's radiation ionizes the gases. What is this part of Earth's atmosphere called?

Accepted Answer

A)  The troposphere 
B)  The stratosphere 
C)  The mesosphere 
D)  The ionosphere 
E)  The magnetosphere 
A)  The troposphere 
B)  The stratosphere 
C)  The mesosphere 
D)  The ionosphere 
E)  The magnetosphere

Question 16

Without the greenhouse effect operating in our atmosphere

Accepted Answer

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

Question 17

Scientists are confident that the Moon does not have a large, dense nickel-iron core because

Accepted Answer

A)  the Moon's surface rocks are similar in density to the Moon's average density. 
B)  deep samples taken by the Apollo astronauts found almost no iron. 
C)  the Earth's magnetic field would pull anything with a lot of iron into the Earth. 
D)  unmanned Soviet missions drilled into the Moon's core and did not find iron. 
E)  a thick atmosphere is required for there to be a metal core. 
A)  the Moon's surface rocks are similar in density to the Moon's average density. 
B)  deep samples taken by the Apollo astronauts found almost no iron. 
C)  the Earth's magnetic field would pull anything with a lot of iron into the Earth. 
D)  unmanned Soviet missions drilled into the Moon's core and did not find iron. 
E)  a thick atmosphere is required for there to be a metal core.

Question 18

The relative size of the mantle of Earth compared to the solid inner core of Earth is most similar to

Accepted Answer

A)  the peel of an orange as compared to the meat of the orange. 
B)  the rind of a watermelon as compared to the meat of the watermelon. 
C)  the skin of a grape as compared to the meat of the grape. 
D)  the meat of a peach as compared to the pit of the peach. 
E)  the meat of a cherry as compared to the pit of the cherry. 
A)  the peel of an orange as compared to the meat of the orange. 
B)  the rind of a watermelon as compared to the meat of the watermelon. 
C)  the skin of a grape as compared to the meat of the grape. 
D)  the meat of a peach as compared to the pit of the peach. 
E)  the meat of a cherry as compared to the pit of the cherry.

Question 19

Seismic waves are most useful for mapping

Accepted Answer

A)  the surface of Venus with Magellan. 
B)  the surface of Mars with Global Surveyor. 
C)  the Earth's core and mantle. 
D)  the density of the hydrosphere. 
E)  the depths of the oceans. 
A)  the surface of Venus with Magellan. 
B)  the surface of Mars with Global Surveyor. 
C)  the Earth's core and mantle. 
D)  the density of the hydrosphere. 
E)  the depths of the oceans.

Question 20

Compared to the density of water, our Earth averages about

Accepted Answer

A)  the same density, similar to Saturn. 
B)  3 times denser, much like our Moon. 
C)  4 times denser, similar to Mars. 
D)  5 times denser, like the Mercury and Venus. 
E)  10 times denser, due to our core of iron and nickel. 
A)  the same density, similar to Saturn. 
B)  3 times denser, much like our Moon. 
C)  4 times denser, similar to Mars. 
D)  5 times denser, like the Mercury and Venus. 
E)  10 times denser, due to our core of iron and nickel.

How is the existence of Earth's unique atmosphere explained?

Where does the energy come from to create tidal bulges?

The Moon's crust is km thick on the Earth side and km thick on the far side.

Which statement about seismic waves is FALSE?

Evidence that the Earth was nearly molten at one time comes from the differentiation of materials by ________ from core to crust.

Moonquakes on the Moon were detected by

In what part of our atmosphere do we live?

Relate the formation of the Himalayas to plate tectonics.

What is the process that physically transfers heat from a lower (hotter) to a higher (cooler) level?

Which statement about seismic waves is TRUE?

The continuing rise in the carbon dioxide in our atmosphere should cause our surface temperatures to rise.

At what phase are the tides least noticeable?

Lunar ________ are the result of ancient lava flows on the Moon.

Name the four layers of the Earth's atmosphere, going up from the surface.

Above about 80 km, the Sun's radiation ionizes the gases. What is this part of Earth's atmosphere called?

Without the greenhouse effect operating in our atmosphere

Scientists are confident that the Moon does not have a large, dense nickel-iron core because

The relative size of the mantle of Earth compared to the solid inner core of Earth is most similar to

Seismic waves are most useful for mapping

Compared to the density of water, our Earth averages about

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Exam 4: Earth and Its Moon

How is the existence of Earth's unique atmosphere explained?

Where does the energy come from to create tidal bulges?

The Moon's crust is ________ km thick on the Earth side and ________ km thick on the far side.

Which statement about seismic waves is FALSE?

Evidence that the Earth was nearly molten at one time comes from the differentiation of materials by ________ from core to crust.

Moonquakes on the Moon were detected by

In what part of our atmosphere do we live?

Relate the formation of the Himalayas to plate tectonics.

What is the process that physically transfers heat from a lower (hotter) to a higher (cooler) level?

Which statement about seismic waves is TRUE?

The continuing rise in the carbon dioxide in our atmosphere should cause our surface temperatures to rise.

At what phase are the tides least noticeable?

Lunar ________ are the result of ancient lava flows on the Moon.

Name the four layers of the Earth's atmosphere, going up from the surface.

Above about 80 km, the Sun's radiation ionizes the gases. What is this part of Earth's atmosphere called?

Without the greenhouse effect operating in our atmosphere

Scientists are confident that the Moon does not have a large, dense nickel-iron core because

The relative size of the mantle of Earth compared to the solid inner core of Earth is most similar to

Seismic waves are most useful for mapping

Compared to the density of water, our Earth averages about

The Night Sky

Light and Telescopes

The Solar System

The Eight Planets

Small Bodies in the Solar System

Formation of Planetary Systems

The Sun

Measuring the Stars

Star Formation and Evolution

Stellar Explosions

Black Holes

The Milky Way Galaxy

Galaxies

Cosmology and the Universe

Filters

The Moon's crust is km thick on the Earth side and km thick on the far side.