Question 1

From the center outward, the correct order is

Accepted Answer

A)  liquid iron inner core, solid nickel outer core, rocky mantle, silicate crust. 
B)  solid metallic inner core, molten metal outer core, silicate mantle and crust. 
C)  solid metal core, molten metal hydrosphere, rocky lithosphere, gases in atmosphere. 
D)  solid rock core, liquid metal mantle, solid rock crust. 
E)  molten metal hydrosphere, molten rock lithosphere, solid silicate crust. 
A)  liquid iron inner core, solid nickel outer core, rocky mantle, silicate crust. 
B)  solid metallic inner core, molten metal outer core, silicate mantle and crust. 
C)  solid metal core, molten metal hydrosphere, rocky lithosphere, gases in atmosphere. 
D)  solid rock core, liquid metal mantle, solid rock crust. 
E)  molten metal hydrosphere, molten rock lithosphere, solid silicate crust. B

Question 2

Because of ________, the Moon is moving away from the Earth at about 4 centimeters per century.

Accepted Answer

tides

Question 3

Plate ________ is the process by which convection within the mantle reforms the crust above it.

Accepted Answer

tectonics

Question 4

What is the percentage of Earth's atmosphere (by volume) that is carbon dioxide (CO₂)?

Accepted Answer

A)  78 
B)  21 
C)  3 
D)  0.9 
E)  0.03 
A)  78 
B)  21 
C)  3 
D)  0.9 
E)  0.03

Question 5

When strong solar winds are displaced poleward by our magnetic fields, we get

Accepted Answer

A)  the Van Allen radiation belts. 
B)  intense auroral displays. 
C)  sunspots. 
D)  hurricanes in the tropics. 
E)  droughts and dust bowls in the American West. 
A)  the Van Allen radiation belts. 
B)  intense auroral displays. 
C)  sunspots. 
D)  hurricanes in the tropics. 
E)  droughts and dust bowls in the American West.

Question 6

The ozone layer lies in the mesosphere.

Accepted Answer

A) True 
 B)False

Question 7

The rate of cratering in the lunar highlands shows us that

Accepted Answer

A)  they must be younger than the older, darker mare. 
B)  they range from 4.6 - 4.4 billion years old, on average. 
C)  the largest impacts are the youngest, such as Copernicus and Tycho. 
D)  the oldest rocks are at least as old as the mare, but some craters are much younger. 
E)  most of the asteroids must have hit the Moon, not the Earth. 
A)  they must be younger than the older, darker mare. 
B)  they range from 4.6 - 4.4 billion years old, on average. 
C)  the largest impacts are the youngest, such as Copernicus and Tycho. 
D)  the oldest rocks are at least as old as the mare, but some craters are much younger. 
E)  most of the asteroids must have hit the Moon, not the Earth.

Question 8

Almost all the oxygen in Earth's atmosphere is unique among the planets in our solar system.

Accepted Answer

A) True 
 B)False

Question 9

Which type of feature is the best evidence of lunar volcanism?

Accepted Answer

A)  Rays around the latest eruptions 
B)  Craters all over the Moon 
C)  Vents seen erupting in the mountainous highlands 
D)  Rilles associated with lava flows accompanying the mare formation 
E)  The Orientale Basin 
A)  Rays around the latest eruptions 
B)  Craters all over the Moon 
C)  Vents seen erupting in the mountainous highlands 
D)  Rilles associated with lava flows accompanying the mare formation 
E)  The Orientale Basin

Question 10

Like other solid bodies in the solar system, Earth's surface was kept molten by

Accepted Answer

A)  radioactivity. 
B)  differentiation. 
C)  convection. 
D)  bombardment by small bodies. 
E)  the solar nebula. 
A)  radioactivity. 
B)  differentiation. 
C)  convection. 
D)  bombardment by small bodies. 
E)  the solar nebula.

Question 11

The region around Earth where the magnetic field traps charged particles is the

Accepted Answer

A)  ozone layer. 
B)  exosphere. 
C)  Van Allen Radiation Belts. 
D)  corona. 
E)  aurora borealis and australis. 
A)  ozone layer. 
B)  exosphere. 
C)  Van Allen Radiation Belts. 
D)  corona. 
E)  aurora borealis and australis.

Question 12

Which body has the greatest gravitational pull on Earth?

Accepted Answer

A)  The Sun 
B)  The Moon 
C)  Mars 
D)  Jupiter 
E)  None has an impact, as all are too distant. 
A)  The Sun 
B)  The Moon 
C)  Mars 
D)  Jupiter 
E)  None has an impact, as all are too distant.

Question 13

Which side of the Moon has the thicker crust? Why?

Accepted Answer

The far side, because our tide

Question 14

The Moon's crust is thickest on the ________ side.

Accepted Answer

The answer of The Moon's crust is thickest on the...

Question 15

Which lunar feature most resembles the Moon's original crust?

Accepted Answer

A)  Valleys 
B)  Craters 
C)  Maria 
D)  Bright rays 
E)  Highlands 
A)  Valleys 
B)  Craters 
C)  Maria 
D)  Bright rays 
E)  Highlands

Question 16

Which side of the Moon has the thicker crust? Why?

Accepted Answer

The far side, because our tide

Question 17

Why do volcanic mountain chains, such as the Andes, accompany deep trenches like the Nazca Trench off South America?

Accepted Answer

When plate tectonics causes a denser oce

Question 18

The Dynamo Theory holds that

Accepted Answer

A)  lightning plays a major role in generating our magnetic fields. 
B)  any other planet of similar density will also have a strong magnetic field. 
C)  the Earth's core, like Mercury's, is now a solid, rigid bar magnet. 
D)  magnetic fields are generated by rapidly spinning, fluid magnetic interiors. 
E)  the Earth's magnetic field must switch polarities every few million years. 
A)  lightning plays a major role in generating our magnetic fields. 
B)  any other planet of similar density will also have a strong magnetic field. 
C)  the Earth's core, like Mercury's, is now a solid, rigid bar magnet. 
D)  magnetic fields are generated by rapidly spinning, fluid magnetic interiors. 
E)  the Earth's magnetic field must switch polarities every few million years.

Question 19

What is TRUE of spring tides?

Accepted Answer

A)  The third quarter Moon would be high overhead at dawn. 
B)  The difference between low and high tides would be greatest. 
C)  There would be one high and one low tide each day. 
D)  The Moon's phase will be first quarter. 
E)  The difference between low and high tides would be smallest. 
A)  The third quarter Moon would be high overhead at dawn. 
B)  The difference between low and high tides would be greatest. 
C)  There would be one high and one low tide each day. 
D)  The Moon's phase will be first quarter. 
E)  The difference between low and high tides would be smallest.

Question 20

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

Accepted Answer

In a molten state, the denser

From the center outward, the correct order is

Because of ________, the Moon is moving away from the Earth at about 4 centimeters per century.

Plate ________ is the process by which convection within the mantle reforms the crust above it.

What is the percentage of Earth's atmosphere (by volume) that is carbon dioxide (CO₂)?

When strong solar winds are displaced poleward by our magnetic fields, we get

The ozone layer lies in the mesosphere.

The rate of cratering in the lunar highlands shows us that

Almost all the oxygen in Earth's atmosphere is unique among the planets in our solar system.

Which type of feature is the best evidence of lunar volcanism?

Like other solid bodies in the solar system, Earth's surface was kept molten by

The region around Earth where the magnetic field traps charged particles is the

Which body has the greatest gravitational pull on Earth?

Which side of the Moon has the thicker crust? Why?

The Moon's crust is thickest on the ________ side.

Which lunar feature most resembles the Moon's original crust?

Which side of the Moon has the thicker crust? Why?

Why do volcanic mountain chains, such as the Andes, accompany deep trenches like the Nazca Trench off South America?

The Dynamo Theory holds that

What is TRUE of spring tides?

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

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

Exam 4: Earth and Its Moon

From the center outward, the correct order is

Because of ________, the Moon is moving away from the Earth at about 4 centimeters per century.

Plate ________ is the process by which convection within the mantle reforms the crust above it.

What is the percentage of Earth's atmosphere (by volume) that is carbon dioxide (CO₂)?

When strong solar winds are displaced poleward by our magnetic fields, we get

The ozone layer lies in the mesosphere.

The rate of cratering in the lunar highlands shows us that

Almost all the oxygen in Earth's atmosphere is unique among the planets in our solar system.

Which type of feature is the best evidence of lunar volcanism?

Like other solid bodies in the solar system, Earth's surface was kept molten by

The region around Earth where the magnetic field traps charged particles is the

Which body has the greatest gravitational pull on Earth?

Which side of the Moon has the thicker crust? Why?

The Moon's crust is thickest on the ________ side.

Which lunar feature most resembles the Moon's original crust?

Which side of the Moon has the thicker crust? Why?

Why do volcanic mountain chains, such as the Andes, accompany deep trenches like the Nazca Trench off South America?

The Dynamo Theory holds that

What is TRUE of spring tides?

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

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