Question 1

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

Accepted Answer

A) True 
 B)False  False

Question 2

The greenhouse effect occurs because

Accepted Answer

A)  carbon dioxide is transparent to visible light and opaque to infrared radiation. 
B)  carbon dioxide is transparent to infrared radiation and opaque to ultraviolet radiation. 
C)  ozone is transparent to infrared radiation and opaque to ultraviolet radiation. 
D)  ozone is transparent to visible light and opaque to infrared radiation. 
E)  the sun emits more infrared radiation than ultraviolet radiation. 
A)  carbon dioxide is transparent to visible light and opaque to infrared radiation. 
B)  carbon dioxide is transparent to infrared radiation and opaque to ultraviolet radiation. 
C)  ozone is transparent to infrared radiation and opaque to ultraviolet radiation. 
D)  ozone is transparent to visible light and opaque to infrared radiation. 
E)  the sun emits more infrared radiation than ultraviolet radiation. A

Question 3

____________________ is responsible for absorbing ultraviolet radiation in Earth's upper atmosphere.

Accepted Answer

Ozone

Question 4

Slow surface evolution is caused by

Accepted Answer

A)  wind erosion. 
B)  plate tectonics. 
C)  cratering. 
D)  all of the above 
E)  a and b 
A)  wind erosion. 
B)  plate tectonics. 
C)  cratering. 
D)  all of the above 
E)  a and b

Question 5

In the development of a planet,the stage of ____ occurred when molten rock flowed through fissures and filled deep basins with molten rock.

Accepted Answer

A)  differentiation 
B)  cratering 
C)  glaciation 
D)  accretion 
E)  flooding 
A)  differentiation 
B)  cratering 
C)  glaciation 
D)  accretion 
E)  flooding

Question 6

The separation between Africa and Arabia is a(n)____________________ valley.

Accepted Answer

The answer of The separation between Africa and Arabia is...

Question 7

Molecular nitrogen (N2)is the most harmful greenhouse gas in the Earth's atmosphere.

Accepted Answer

A) True 
 B)False

Question 8

The terrestrial planets are

Accepted Answer

A)  Earth and Moon,Mercury,Jupiter,Saturn. 
B)  Mercury,Venus,Earth and Moon,Mars. 
C)  Jupiter,Saturn,Uranus,Neptune. 
A)  Earth and Moon,Mercury,Jupiter,Saturn. 
B)  Mercury,Venus,Earth and Moon,Mars. 
C)  Jupiter,Saturn,Uranus,Neptune.

Question 9

The ____ show(s)an emission spectrum and is(are)caused by large electrical currents that flow into Earth's atmosphere near the north and south poles.

Accepted Answer

A)  Van Allen belts 
B)  ozone layer 
C)  lithosphere 
D)  solar wind 
E)  aurora 
A)  Van Allen belts 
B)  ozone layer 
C)  lithosphere 
D)  solar wind 
E)  aurora

Question 10

The ozone layer is

Accepted Answer

A)  transparent to ultraviolet radiation. 
B)  opaque to ultraviolet radiation. 
C)  opaque to visible light. 
D)  opaque to infrared radiation. 
E)  responsible for producing most of the oxygen that animal life needs. 
A)  transparent to ultraviolet radiation. 
B)  opaque to ultraviolet radiation. 
C)  opaque to visible light. 
D)  opaque to infrared radiation. 
E)  responsible for producing most of the oxygen that animal life needs.

Question 11

Which of the following was not discussed as one of the four stages of planetary development?

Accepted Answer

A)  flooding 
B)  differentiation 
C)  slow surface evolution 
D)  convection 
E)  cratering 
A)  flooding 
B)  differentiation 
C)  slow surface evolution 
D)  convection 
E)  cratering

Question 12

The central part of Earth's core is solid.

Accepted Answer

A) True 
 B)False

Question 13

All terrestrial planets have ____.

Accepted Answer

A)  thick atmospheres 
B)  strong magnetic fields 
C)  craters 
D)  liquid water oceans 
A)  thick atmospheres 
B)  strong magnetic fields 
C)  craters 
D)  liquid water oceans

Question 14

That Earth ____ is evidence that Earth differentiated with a metal core and stone crust.

Accepted Answer

A)  rotates slowly 
B)  has an average density that is higher than the density of the crust 
C)  has a magnetic field 
D)  Both answers "b" and "c". 
E)  all of these 
A)  rotates slowly 
B)  has an average density that is higher than the density of the crust 
C)  has a magnetic field 
D)  Both answers "b" and "c". 
E)  all of these

Question 15

Which part of the Earth is most dense?

Accepted Answer

A)  The atmosphere 
B)  The oceans 
C)  The crust 
D)  The mantle 
E)  The core 
A)  The atmosphere 
B)  The oceans 
C)  The crust 
D)  The mantle 
E)  The core

Question 16

Which of the following is not produced by plate tectonics?

Accepted Answer

A)  midocean rifts 
B)  rift valleys 
C)  the ring of fire 
D)  the Appalachian Mountains 
E)  Earth's magnetic field 
A)  midocean rifts 
B)  rift valleys 
C)  the ring of fire 
D)  the Appalachian Mountains 
E)  Earth's magnetic field

Question 17

Earth possesses few visible craters while the moon possesses many.This is because

Accepted Answer

A)  Earth formed later than the moon and,therefore,hasn't encountered as many meteorites. 
B)  the moon doesn't have an atmosphere that could burn up many of the meteorites before impacting. 
C)  erosion and plate tectonics have slowly removed evidence of past cratering on earth. 
D)  all of the above 
E)  only b and c 
A)  Earth formed later than the moon and,therefore,hasn't encountered as many meteorites. 
B)  the moon doesn't have an atmosphere that could burn up many of the meteorites before impacting. 
C)  erosion and plate tectonics have slowly removed evidence of past cratering on earth. 
D)  all of the above 
E)  only b and c

Question 18

The greenhouse effect occurs because carbon dioxide is opaque to infrared radiation.

Accepted Answer

A) True 
 B)False

Question 19

Volcanism can occur in a midocean rift,above a hot spot in the mantle,or where one tectonic plate slides below another.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is not one of the four stages in the development of a terrestrial planet?

Accepted Answer

A)  flooding 
B)  cratering 
C)  slow surface evolution 
D)  accretion 
E)  differentiation 
A)  flooding 
B)  cratering 
C)  slow surface evolution 
D)  accretion 
E)  differentiation

Exam 20: Earth: the Standard of Comparative Planetology

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

The greenhouse effect occurs because

____________________ is responsible for absorbing ultraviolet radiation in Earth's upper atmosphere.

Slow surface evolution is caused by

In the development of a planet,the stage of ____ occurred when molten rock flowed through fissures and filled deep basins with molten rock.

The separation between Africa and Arabia is a(n)____________________ valley.

Molecular nitrogen (N2)is the most harmful greenhouse gas in the Earth's atmosphere.

The terrestrial planets are

The ____ show(s)an emission spectrum and is(are)caused by large electrical currents that flow into Earth's atmosphere near the north and south poles.

The ozone layer is

Which of the following was not discussed as one of the four stages of planetary development?

The central part of Earth's core is solid.

All terrestrial planets have ____.

That Earth ____ is evidence that Earth differentiated with a metal core and stone crust.

Which part of the Earth is most dense?

Which of the following is not produced by plate tectonics?

Earth possesses few visible craters while the moon possesses many.This is because

The greenhouse effect occurs because carbon dioxide is opaque to infrared radiation.

Volcanism can occur in a midocean rift,above a hot spot in the mantle,or where one tectonic plate slides below another.

Which of the following is not one of the four stages in the development of a terrestrial planet?

Here and Now

A Users Guide to the Sky

Cycles of the Moon

The Origin of Modern Astronomy

Gravity

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Interstellar Medium

The Formation and Structure of Stars

Stellar Evolution

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies

Active Galaxies and Supermassive Black Holes

Modern Cosmology

The Origin of the Solar System

The Moon and Mercury: Comparing Airless Worlds

Venus and Mars

Jupiter and Saturn

Uranus,neptune,and the Kuiper Belt

Meteorites,asteroids,and Comets

Astrobiology: Life on Other Worlds

Filters

Molecular nitrogen (N₂)is the most harmful greenhouse gas in the Earth's atmosphere.