Question 1

Which terrestrial planet has the strongest magnetic field?

Accepted Answer

A)  Mercury 
B)  Venus 
C)  Earth 
D)  Mars 
E)  the Moon 
A)  Mercury 
B)  Venus 
C)  Earth 
D)  Mars 
E)  the Moon

Question 2

Rays and secondary craters are created by ________ when craters are formed during a collision.

Accepted Answer

A)  ejecta 
B)  water flows 
C)  lava flows 
D)  rebounding material 
E)  sunlight 
A)  ejecta 
B)  water flows 
C)  lava flows 
D)  rebounding material 
E)  sunlight

Question 3

Present-day erosion on the surface of the Moon is primarily caused by

Accepted Answer

A)  flowing water. 
B)  wind. 
C)  solar radiation. 
D)  dust storms. 
E)  tectonic shifts. 
A)  flowing water. 
B)  wind. 
C)  solar radiation. 
D)  dust storms. 
E)  tectonic shifts.

Question 4

Of the terrestrial planets, which has the most volcanoes?

Accepted Answer

Venus has

Question 5

The rovers named Spirit and Opportunity that recently explored the surface of Mars discovered

Accepted Answer

A)  tiny streams of flowing water too small to be detected by orbiting satellites. 
B)  minerals that must have formed in an environment rich in liquid water. 
C)  dust storms that rapidly erode the surfaces of most geological formations. 
D)  the northern polar ice cap is made primarily of frozen water. 
E)  the presence of methane that arises from biological life. 
A)  tiny streams of flowing water too small to be detected by orbiting satellites. 
B)  minerals that must have formed in an environment rich in liquid water. 
C)  dust storms that rapidly erode the surfaces of most geological formations. 
D)  the northern polar ice cap is made primarily of frozen water. 
E)  the presence of methane that arises from biological life.

Question 6

How does a chain of shield volcanoes, like the Hawaiian chain, form?

Accepted Answer

A chain of volcanoes like the

Question 7

What is the age of the Moon, and how do we know?

Accepted Answer

Radioactive dating of rock sam

Question 8

Which of the following is a requirement for a planetary magnetic dynamo?

Accepted Answer

A)  a permanently magnetized crust 
B)  a solid iron core 
C)  a liquid interior 
D)  polarized liquid water oceans. 
E)  a large moon 
A)  a permanently magnetized crust 
B)  a solid iron core 
C)  a liquid interior 
D)  polarized liquid water oceans. 
E)  a large moon

Question 9

Which answer gives the correct order of the age of the three lunar surfaces shown in the figure below, from youngest to oldest?

Accepted Answer

A)  A, B, C 
B)  A, C, B 
C)  B, A, C 
D)  B, C, A 
E)  C, B, A 
A)  A, B, C 
B)  A, C, B 
C)  B, A, C 
D)  B, C, A 
E)  C, B, A

Question 10

Why does Earth have a stronger magnetic field than any of the other terrestrial planets?

Accepted Answer

The dynamo theory says magnetic fields a

Question 11

Suppose that two planets of the same size formed from the same material.If planet A had differentiated and planet B had not, how would samples of their surface rock differ? Explain why.

Accepted Answer

Planet A's surface rock would be lower i

Question 12

Which of the following is a factor that helps explain Earth's lack of craters compared to the Moon?

Accepted Answer

A)  wind erosion 
B)  distance from the Sun 
C)  higher-density interior 
D)  surface temperature 
E)  magnetic field strength 
A)  wind erosion 
B)  distance from the Sun 
C)  higher-density interior 
D)  surface temperature 
E)  magnetic field strength

Question 13

Three different things can happen when two continental plates meet.What is the name given to each, and briefly explain what happens in each.

Accepted Answer

(1)Subduction can happen when one plate

Question 14

Earth's innermost core is solid, not liquid, because

Accepted Answer

A)  the core temperature is too low to melt iron. 
B)  differentiation caused all of the heavy, solid material to sink to the bottom while Earth was forming. 
C)  all the liquid has moved up into the mantle via convection. 
D)  the pressure is too high for the material to be in a liquid state. 
E)  iron does not melt. 
A)  the core temperature is too low to melt iron. 
B)  differentiation caused all of the heavy, solid material to sink to the bottom while Earth was forming. 
C)  all the liquid has moved up into the mantle via convection. 
D)  the pressure is too high for the material to be in a liquid state. 
E)  iron does not melt.

Question 15

Which of the three lunar surfaces shown in the figure below is the youngest?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  A and C are probably about the same age and are younger than B. 
E)  It is impossible to tell without radioactive dating. 
A)  A 
B)  B 
C)  C 
D)  A and C are probably about the same age and are younger than B. 
E)  It is impossible to tell without radioactive dating.

Question 16

The figure below depicts

Accepted Answer

A)  a conical volcano. 
B)  a lunar crater. 
C)  mantle turbulence. 
D)  a shield volcano. 
E)  a composite volcano. 
A)  a conical volcano. 
B)  a lunar crater. 
C)  mantle turbulence. 
D)  a shield volcano. 
E)  a composite volcano.

Question 17

Describe two reasons why we know that Earth's magnetic field cannot be a result of permanent magnetism in a solid iron core.

Accepted Answer

First,Earth's interior temperature is to

Question 18

Describe the difference between seismic primary and secondary waves and why this difference makes them useful in probing the structure of Earth's interior.

Accepted Answer

Secondary waves are transverse waves.The

Question 19

The large feature spanning the planet ________ shown in the figure below is called ________.

Accepted Answer

A)  Mars; Olympus Mons 
B)  Venus; Valles Marineris 
C)  Venus; Olympus Mons 
D)  Mars; Valles Marineris 
E)  Mercury; Caloris Basin 
A)  Mars; Olympus Mons 
B)  Venus; Valles Marineris 
C)  Venus; Olympus Mons 
D)  Mars; Valles Marineris 
E)  Mercury; Caloris Basin

Question 20

Flows of material surrounding Martian craters suggest

Accepted Answer

A)  volcanism in its interior. 
B)  the presence of water in surface rocks. 
C)  active plate tectonics at the time of impact. 
D)  a very thin crust. 
E)  the presence of ice. 
A)  volcanism in its interior. 
B)  the presence of water in surface rocks. 
C)  active plate tectonics at the time of impact. 
D)  a very thin crust. 
E)  the presence of ice.

Exam 8: The Terrestrial Planets and Earths Moon

Which terrestrial planet has the strongest magnetic field?

Rays and secondary craters are created by ________ when craters are formed during a collision.

Present-day erosion on the surface of the Moon is primarily caused by

Of the terrestrial planets, which has the most volcanoes?

The rovers named Spirit and Opportunity that recently explored the surface of Mars discovered

How does a chain of shield volcanoes, like the Hawaiian chain, form?

What is the age of the Moon, and how do we know?

Which of the following is a requirement for a planetary magnetic dynamo?

Which answer gives the correct order of the age of the three lunar surfaces shown in the figure below, from youngest to oldest?

Why does Earth have a stronger magnetic field than any of the other terrestrial planets?

Suppose that two planets of the same size formed from the same material.If planet A had differentiated and planet B had not, how would samples of their surface rock differ? Explain why.

Which of the following is a factor that helps explain Earth's lack of craters compared to the Moon?

Three different things can happen when two continental plates meet.What is the name given to each, and briefly explain what happens in each.

Earth's innermost core is solid, not liquid, because

Which of the three lunar surfaces shown in the figure below is the youngest?

The figure below depicts

Describe two reasons why we know that Earth's magnetic field cannot be a result of permanent magnetism in a solid iron core.

Describe the difference between seismic primary and secondary waves and why this difference makes them useful in probing the structure of Earth's interior.

The large feature spanning the planet ________ shown in the figure below is called ________.

Flows of material surrounding Martian craters suggest

Thinking Like an Astronomer

Patterns in the Skymotions of Earth and the Moon

Motion of Astronomical Bodies

Gravity and Orbits

Light

The Tools of the Astronomer

The Formation of Planetary Systems

Atmospheres of the Terrestrial Planets

Worlds of Gas and Liquidthe Giant Planets

Planetary Moons and Rings

Dwarf Planets and Small Solar System Bodies

Taking the Measure of Stars

Our Starthe Sun

The Interstellar Medium and Star Formation

Evolution of Low-Mass Stars

Evolution of High-Mass Stars

Relativity and Black Holes

Galaxies

The Milky Waya Normal Spiral Galaxy

The Expanding Universe

Cosmology

Large-Scale Structure in the Universe

Life

Filters

The large feature spanning the planet shown in the figure below is called .