Question 1

Describe the four stages in the development of a terrestrial planet.

Accepted Answer

The answer of Describe the four stages in the development...

Question 2

How does the fission hypothesis describe the Moon's origin?

Accepted Answer

A) The Moon broke off from a rapidly spinning Earth. 
B) The Earth and the Moon formed from the same cloud of matter. 
C) The Moon formed elsewhere in the solar nebula and was later captured by the Earth. 
D) The Moon was formed when a very massive planetesimal smashed into the young Earth. 
A) The Moon broke off from a rapidly spinning Earth. 
B) The Earth and the Moon formed from the same cloud of matter. 
C) The Moon formed elsewhere in the solar nebula and was later captured by the Earth. 
D) The Moon was formed when a very massive planetesimal smashed into the young Earth.

Question 3

Why would a decrease in the density of the ozone layer create a public health concern?

Accepted Answer

A) The greenhouse effect would not be as efficient and the temperature of the Earth would fall. 
B) The greenhouse effect would be more efficient and the temperature of the Earth would rise. 
C) Plant life would no longer have the ozone it needs for photosynthesis to create chlorophyll. 
D) Additional ultraviolet radiation from the Sun would reach the surface of the Earth. 
A) The greenhouse effect would not be as efficient and the temperature of the Earth would fall. 
B) The greenhouse effect would be more efficient and the temperature of the Earth would rise. 
C) Plant life would no longer have the ozone it needs for photosynthesis to create chlorophyll. 
D) Additional ultraviolet radiation from the Sun would reach the surface of the Earth.

Question 4

The size of the volcanoes on Mars indicates that Mars has a(n)____________________ crust than the Earth.

Accepted Answer

The answer of The size of the volcanoes on Mars...

Question 5

Which of the following are the youngest parts of the Earth's crust?

Accepted Answer

A) the bottom layer of the Grand Canyon 
B) the continental margins 
C) the pre-Cambrian shield 
D) the mid-ocean rises 
A) the bottom layer of the Grand Canyon 
B) the continental margins 
C) the pre-Cambrian shield 
D) the mid-ocean rises

Question 6

We know Mercury must have a large metal core because it has a high density.

Accepted Answer

A) True 
 B)False

Question 7

The terrestrial planet with the oldest surface is ____________________.

Accepted Answer

The answer of The terrestrial planet with the oldest surface...

Question 8

-On the diagram,label each of the major divisions of the Earth's interior.

Accepted Answer

A: Crust,

Question 9

How are the northern and southern hemispheres of Mars different?

Accepted Answer

A) The northern hemisphere is much younger. 
B) The northern hemisphere is much higher. 
C) The southern hemisphere is more volcanic. 
D) Only the southern hemisphere has a polar cap. 
A) The northern hemisphere is much younger. 
B) The northern hemisphere is much higher. 
C) The southern hemisphere is more volcanic. 
D) Only the southern hemisphere has a polar cap.

Question 10

The Moon stopped evolving because it is too small to have kept its internal heat.

Accepted Answer

A) True 
 B)False

Question 11

Which of the solar system objects listed below is most similar to the Earth in terms of mass and density?

Accepted Answer

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

Question 12

The Earth's magnetic field is generated in the iron-rich mantle.

Accepted Answer

A) True 
 B)False

Question 13

What is the only form of slow surface evolution on the Moon?

Accepted Answer

A) low density masses of rock rising from the interior 
B) moonquakes disturbing the surface features 
C) low level meteorite impacts 
D) motion along a network of small faults 
A) low density masses of rock rising from the interior 
B) moonquakes disturbing the surface features 
C) low level meteorite impacts 
D) motion along a network of small faults

Question 14

____________________ are great lava flows covering 17% of the lunar surface.

Accepted Answer

The answer of ____________________ are great lava flows covering 17%...

Question 15

-The graph plots the escape velocity of several solar system objects along the vertical axis,and surface temperature along the horizontal.The lines plotted in the figure are the speeds of the fastest gas particles as a function of temperature for various gases.Which of the gases plotted in the diagram could be retained in the atmosphere of Mars?

Accepted Answer

A) only CO₂ 
B) NH₃ and He 
C) CO₂, NH₃, and O₂ 
D) H₂ and He 
A) only CO₂ 
B) NH₃ and He 
C) CO₂, NH₃, and O₂ 
D) H₂ and He

Question 16

Why does Mars no longer have a magnetic field?

Accepted Answer

A) Giant impacts slowed the planet's rotation. 
B) Its core cooled and the dynamo effect shut off. 
C) Mars does not have a dense core. 
D) The thin atmosphere can't protect the planet from the solar wind. 
A) Giant impacts slowed the planet's rotation. 
B) Its core cooled and the dynamo effect shut off. 
C) Mars does not have a dense core. 
D) The thin atmosphere can't protect the planet from the solar wind.

Question 17

What evidence do we have that Mars once had a denser atmosphere?

Accepted Answer

There is a substantial body of evidence

Question 18

The size of Olympus Mons suggests that the crust of Mars is very thick.

Accepted Answer

A) True 
 B)False

Question 19

Why does the greenhouse effect occur on Earth?

Accepted Answer

A) because carbon dioxide is transparent to visible light and opaque to infrared radiation 
B) because carbon dioxide is opaque to visible light and transparent to infrared radiation 
C) because carbon dioxide is totally opaque to both visible light and infrared radiation 
D) because carbon dioxide is totally transparent to both visible light and infrared radiation 
A) because carbon dioxide is transparent to visible light and opaque to infrared radiation 
B) because carbon dioxide is opaque to visible light and transparent to infrared radiation 
C) because carbon dioxide is totally opaque to both visible light and infrared radiation 
D) because carbon dioxide is totally transparent to both visible light and infrared radiation

Question 20

Outgassing of volcanoes produces gas rich in carbon dioxide,nitrogen,and water vapour.

Accepted Answer

A) True 
 B)False

Describe the four stages in the development of a terrestrial planet.

How does the fission hypothesis describe the Moon's origin?

Why would a decrease in the density of the ozone layer create a public health concern?

The size of the volcanoes on Mars indicates that Mars has a(n)____________________ crust than the Earth.

Which of the following are the youngest parts of the Earth's crust?

We know Mercury must have a large metal core because it has a high density.

The terrestrial planet with the oldest surface is ____________________.

-On the diagram,label each of the major divisions of the Earth's interior.

How are the northern and southern hemispheres of Mars different?

The Moon stopped evolving because it is too small to have kept its internal heat.

Which of the solar system objects listed below is most similar to the Earth in terms of mass and density?

The Earth's magnetic field is generated in the iron-rich mantle.

What is the only form of slow surface evolution on the Moon?

____________________ are great lava flows covering 17% of the lunar surface.

Why does Mars no longer have a magnetic field?

What evidence do we have that Mars once had a denser atmosphere?

The size of Olympus Mons suggests that the crust of Mars is very thick.

Why does the greenhouse effect occur on Earth?

Outgassing of volcanoes produces gas rich in carbon dioxide,nitrogen,and water vapour.

The Scale of the Cosmos

User's Guide to the Sky

The Origin of Modern Astronomy

Astronomical Telescopes and Instruments

Sun Light and Sun Atoms

The Family of Stars

The Structure and Formation of Stars

The Deaths of Stars

The Milky Way Galaxy

Galaxies

Cosmology in the 21st Century

The Origin of the Solar System

Comparative Planetology of the Jovian Planets

Life on Other Worlds

Filters

Exam 13: Comparative Planetology of the Terrestrial Planets

Describe the four stages in the development of a terrestrial planet.

How does the fission hypothesis describe the Moon's origin?

Why would a decrease in the density of the ozone layer create a public health concern?

The size of the volcanoes on Mars indicates that Mars has a(n)____________________ crust than the Earth.

Which of the following are the youngest parts of the Earth's crust?

We know Mercury must have a large metal core because it has a high density.

The terrestrial planet with the oldest surface is ____________________.

-On the diagram,label each of the major divisions of the Earth's interior.

How are the northern and southern hemispheres of Mars different?

The Moon stopped evolving because it is too small to have kept its internal heat.

Which of the solar system objects listed below is most similar to the Earth in terms of mass and density?

The Earth's magnetic field is generated in the iron-rich mantle.

What is the only form of slow surface evolution on the Moon?

____________________ are great lava flows covering 17% of the lunar surface.

Why does Mars no longer have a magnetic field?

What evidence do we have that Mars once had a denser atmosphere?

The size of Olympus Mons suggests that the crust of Mars is very thick.

Why does the greenhouse effect occur on Earth?

Outgassing of volcanoes produces gas rich in carbon dioxide,nitrogen,and water vapour.

The Scale of the Cosmos

User's Guide to the Sky

The Origin of Modern Astronomy

Astronomical Telescopes and Instruments

Sun Light and Sun Atoms

The Family of Stars

The Structure and Formation of Stars

The Deaths of Stars

The Milky Way Galaxy

Galaxies

Cosmology in the 21st Century

The Origin of the Solar System

Comparative Planetology of the Jovian Planets

Life on Other Worlds

Filters