Question 1

The Earth has an atmosphere which contains ...

Accepted Answer

A)  oxygen 
B)  nitrogen 
C)  carbon dioxide 
D)  argon 
E)  all of the above 
A)  oxygen 
B)  nitrogen 
C)  carbon dioxide 
D)  argon 
E)  all of the above

Question 2

The oxygen in Earth's atmosphere

Accepted Answer

A)  was manufactured inside stars. 
B)  was added to the atmosphere by plant life. 
C)  has grown more abundant since the origin of Earth. 
D)  all of these 
E)  none of these 
A)  was manufactured inside stars. 
B)  was added to the atmosphere by plant life. 
C)  has grown more abundant since the origin of Earth. 
D)  all of these 
E)  none of these

Question 3

The central regions of Earth's core are a solid because

Accepted Answer

A)  the composition at the center of the core is lower in iron. 
B)  the pressure at the center raises the melting point. 
C)  the magnetic field cannot penetrate into the center of the core. 
D)  convection does not extend all the way to the center of the core. 
E)  Earth initially formed from solid particles in the solar nebula. 
A)  the composition at the center of the core is lower in iron. 
B)  the pressure at the center raises the melting point. 
C)  the magnetic field cannot penetrate into the center of the core. 
D)  convection does not extend all the way to the center of the core. 
E)  Earth initially formed from solid particles in the solar nebula.

Question 4

Which of the following provide evidence that Earth's core is at least partially molten?

Accepted Answer

A)  P waves do not penetrate Earth's core. 
B)  S waves do not penetrate Earth's core. 
C)  S waves are reflected by Earth's core. 
D)  P waves are reflected by Earth's core. 
E)  Neither S nor P waves are refracted by Earth's core. 
A)  P waves do not penetrate Earth's core. 
B)  S waves do not penetrate Earth's core. 
C)  S waves are reflected by Earth's core. 
D)  P waves are reflected by Earth's core. 
E)  Neither S nor P waves are refracted by Earth's core.

Question 5

The plates of Earth's lithosphere move at speeds of

Accepted Answer

A)  a few millimeters per century. 
B)  a few centimeters per year. 
C)  a few meters per day. 
D)  a few centimeters per day. 
E)  a few millimeters per 1000 years. 
A)  a few millimeters per century. 
B)  a few centimeters per year. 
C)  a few meters per day. 
D)  a few centimeters per day. 
E)  a few millimeters per 1000 years.

Question 6

Oxygen in Earth's atmosphere is out gassed in volcanic eruptions.

Accepted Answer

A) True 
 B)False

Question 7

All terrestrial planets have

Accepted Answer

A)  a solid surface. 
B)  an atmosphere. 
C)  water oceans. 
A)  a solid surface. 
B)  an atmosphere. 
C)  water oceans.

Question 8

According to the heterogeneous accretion theory,Earth's first atmosphere consisted of gases trapped from the solar nebula.

Accepted Answer

A) True 
 B)False

Question 9

If Earth's average surface temperature were to increase by several degrees,

Accepted Answer

A)  plant life in all areas of Earth would grow more efficiently and be more lush. 
B)  the ozone layer would be destroyed. 
C)  sea level would rise and flood coastal areas. 
D)  the carbon dioxide in Earth's atmosphere would be destroyed. 
E)  none of the above 
A)  plant life in all areas of Earth would grow more efficiently and be more lush. 
B)  the ozone layer would be destroyed. 
C)  sea level would rise and flood coastal areas. 
D)  the carbon dioxide in Earth's atmosphere would be destroyed. 
E)  none of the above

Question 10

How are scientists able to study the interior of the Earth?

Accepted Answer

A)  They study seismic waves that travel through the interior of the Earth. 
B)  They monitor the changes in the Earth magnetic field. 
C)  They drill down to individual layers of interest. 
D)  They use X-rays to map out the interior. 
A)  They study seismic waves that travel through the interior of the Earth. 
B)  They monitor the changes in the Earth magnetic field. 
C)  They drill down to individual layers of interest. 
D)  They use X-rays to map out the interior.

Question 11

Which waves can pass all the way through the liquid portions of the Earth's interior?

Accepted Answer

A)  P Seismic waves 
B)  S Seismic waves 
C)  Light waves 
D)  water waves 
E)  none of the above can pass through the liquid interior of the Earth. 
A)  P Seismic waves 
B)  S Seismic waves 
C)  Light waves 
D)  water waves 
E)  none of the above can pass through the liquid interior of the Earth.

Question 12

The ____________________ of Earth is composed of rocks at high density that behave as a plastic.

Accepted Answer

The answer of The ____________________ of Earth is composed of...

Question 13

The youngest parts of Earth's crust are

Accepted Answer

A)  the bottom layer found in the walls of the Grand Canyon. 
B)  the continents. 
C)  the continental margins. 
D)  the Appalachian Mountains. 
E)  the midocean rifts. 
A)  the bottom layer found in the walls of the Grand Canyon. 
B)  the continents. 
C)  the continental margins. 
D)  the Appalachian Mountains. 
E)  the midocean rifts.

Question 14

The parts of a terrestrial planet from the center out are

Accepted Answer

A)  core,mantle,crust. 
B)  crust,mantle,core. 
C)  mantle,core,crust. 
A)  core,mantle,crust. 
B)  crust,mantle,core. 
C)  mantle,core,crust.

Question 15

Where are the Van Allen belts of radiation found?

Accepted Answer

A)  crust 
B)  subduction zones 
C)  upper mantle 
D)  magnetosphere 
A)  crust 
B)  subduction zones 
C)  upper mantle 
D)  magnetosphere

Question 16

NARRBEGIN: Diagram 20-01
Diagram 20-1   NARREND
-Diagram 20-1 shows a schematic of Earth.If an earthquake occurs at point X on Earth's surface,at which of the locations indicated by numbers would observers receive P waves from this earthquake?

Accepted Answer

A)  1 & 2 
B)  3 & 4 
C)  1,2,& 3 
D)  only 4 
E)  all of them 
A)  1 & 2 
B)  3 & 4 
C)  1,2,& 3 
D)  only 4 
E)  all of them

Question 17

The ozone layer is produced by oxygen atoms that link to form O3.

Accepted Answer

A) True 
 B)False

Question 18

The Himalayan Mountains are rugged,jagged peaks and the Appalachians are smooth and rolling.Why is there a difference?

Accepted Answer

A)  The Himalayas are much older,and the rocks have begun breaking off. 
B)  The Himalayas are volcanic mountains,and the Appalachians are not. 
C)  The Appalachians are much older and have been smoothed by erosion. 
D)  The Appalachians are younger and just started to be thrust upward by plate tectonics. 
E)  a and d 
A)  The Himalayas are much older,and the rocks have begun breaking off. 
B)  The Himalayas are volcanic mountains,and the Appalachians are not. 
C)  The Appalachians are much older and have been smoothed by erosion. 
D)  The Appalachians are younger and just started to be thrust upward by plate tectonics. 
E)  a and d

Question 19

The gas that is most responsible for the greenhouse effect on Earth is

Accepted Answer

A)  oxygen (O2) 
B)  nitrogen (N2) 
C)  carbon dioxide (CO2) 
D)  ozone (O3) 
E)  ammonia (NH3) 
A)  oxygen (O2) 
B)  nitrogen (N2) 
C)  carbon dioxide (CO2) 
D)  ozone (O3) 
E)  ammonia (NH3)

Question 20

The energy that moves the plates of Earth's crust comes from

Accepted Answer

A)  the solar wind. 
B)  convection from the hot interior. 
C)  tides in the oceans. 
D)  friction between wind and the land surface. 
E)  Earth's magnetic field. 
A)  the solar wind. 
B)  convection from the hot interior. 
C)  tides in the oceans. 
D)  friction between wind and the land surface. 
E)  Earth's magnetic field.

Exam 20: Earth: the Standard of Comparative Planetology

The Earth has an atmosphere which contains ...

The oxygen in Earth's atmosphere

The central regions of Earth's core are a solid because

Which of the following provide evidence that Earth's core is at least partially molten?

The plates of Earth's lithosphere move at speeds of

Oxygen in Earth's atmosphere is out gassed in volcanic eruptions.

All terrestrial planets have

According to the heterogeneous accretion theory,Earth's first atmosphere consisted of gases trapped from the solar nebula.

If Earth's average surface temperature were to increase by several degrees,

How are scientists able to study the interior of the Earth?

Which waves can pass all the way through the liquid portions of the Earth's interior?

The ____________________ of Earth is composed of rocks at high density that behave as a plastic.

The youngest parts of Earth's crust are

The parts of a terrestrial planet from the center out are

Where are the Van Allen belts of radiation found?

NARRBEGIN: Diagram 20-01 Diagram 20-1 NARREND -Diagram 20-1 shows a schematic of Earth.If an earthquake occurs at point X on Earth's surface,at which of the locations indicated by numbers would observers receive P waves from this earthquake?

The ozone layer is produced by oxygen atoms that link to form O3.

The Himalayan Mountains are rugged,jagged peaks and the Appalachians are smooth and rolling.Why is there a difference?

The gas that is most responsible for the greenhouse effect on Earth is

The energy that moves the plates of Earth's crust comes from

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

The ozone layer is produced by oxygen atoms that link to form O₃.