Question 1

Venus, which is 95 percent the diameter of Earth, has a(n) _______________ atmosphere.

Accepted Answer

The answer of Venus, which is 95 percent the diameter...

Question 2

Apart from carbon dioxide, which is the most abundant greenhouse gas in Earth's atmosphere?

Accepted Answer

A)  water vapor 
B)  helium 
C)  ammonia 
D)  methane 
E)  nitrous oxide 
A)  water vapor 
B)  helium 
C)  ammonia 
D)  methane 
E)  nitrous oxide

Question 3

What theoryexplains the movement of the continents on Earth's surface?

Accepted Answer

A)  continental spreading 
B)  continental drift 
C)  continental tectonics 
D)  continental rifting 
E)  continental rise 
A)  continental spreading 
B)  continental drift 
C)  continental tectonics 
D)  continental rifting 
E)  continental rise

Question 4

Why can't S waves travel through Earth's liquid core?

Accepted Answer

A)  Earth's liquid core is creating its own S waves. 
B)  Earth's liquid core causes the seismic activity to be reflected back to its origin. 
C)  Earth's liquid core absorbs the waves. 
D)  Earth's liquid core is too hot and changes the wavelength of the S wave. 
E)  Earth's liquid core does not have the rigidity required for shear waves to travel along. 
A)  Earth's liquid core is creating its own S waves. 
B)  Earth's liquid core causes the seismic activity to be reflected back to its origin. 
C)  Earth's liquid core absorbs the waves. 
D)  Earth's liquid core is too hot and changes the wavelength of the S wave. 
E)  Earth's liquid core does not have the rigidity required for shear waves to travel along.

Question 5

The exploration of Earth's interior is possible because _______________ produce vibrations called seismic waves.

Accepted Answer

The answer of The exploration of Earth's interior is possible...

Question 6

Describe each differentiated layers of Earth.

Accepted Answer

crust, mantle, core (outer and inner 
Th

Question 7

Careful studies of Earth's magnetic field for the past 330 million years shows that it has _____________ many times.

Accepted Answer

A)  rotated 
B)  recharged 
C)  ionized 
D)  emerged 
E)  reversed 
A)  rotated 
B)  recharged 
C)  ionized 
D)  emerged 
E)  reversed

Question 8

Explain how solar wind interacts with Earth's magnetic field to create auroras at the poles. Make sure to include each part of the magnetic field the solar particles interact with.

Accepted Answer

Earth's magnetic field dominates space a

Question 9

Which statement is a common misconception with regard to Earth's atmosphere?

Accepted Answer

A)  The carbon dioxide added to the atmosphere since the year 1800 is mostly or entirely due to human burning of fossil fuels. 
B)  All of Earth will warm at the same rate if there is global warming. 
C)  The ozone layer in the upper atmosphere protects the lower atmosphere and Earth's surface from harmful solar UV radiation. 
D)  Global warming and ozone depletion are two very different activities in Earth's atmosphere. 
E)  Earth has experienced a greenhouse effect its entire planetary history. 
A)  The carbon dioxide added to the atmosphere since the year 1800 is mostly or entirely due to human burning of fossil fuels. 
B)  All of Earth will warm at the same rate if there is global warming. 
C)  The ozone layer in the upper atmosphere protects the lower atmosphere and Earth's surface from harmful solar UV radiation. 
D)  Global warming and ozone depletion are two very different activities in Earth's atmosphere. 
E)  Earth has experienced a greenhouse effect its entire planetary history.

Question 10

All Terrestrial planets are separated into layers of different densities.

Accepted Answer

A) True 
 B)False

Question 11

Why do scientist refer to Earth's mantle as a plastic?

Accepted Answer

A)  The mantle has the properties of a solid, but can flow under pressure. 
B)  The mantle has the mixed properties of a solid and a liquid. 
C)  The mantle frequently shifts between its states of matter. 
D)  The mantle is a softer solid as it approaches the core. 
E)  The mantle has the properties of a liquid, but is limited in its movement. 
A)  The mantle has the properties of a solid, but can flow under pressure. 
B)  The mantle has the mixed properties of a solid and a liquid. 
C)  The mantle frequently shifts between its states of matter. 
D)  The mantle is a softer solid as it approaches the core. 
E)  The mantle has the properties of a liquid, but is limited in its movement.

Question 12

The heavy bombardment of the early Solar System made _______________ on the Terrestrial planets.

Accepted Answer

The answer of The heavy bombardment of the early Solar...

Question 13

Why is the very center of Earth's core a solid and not a liquid?

Accepted Answer

A)  There is less metal in the central core. 
B)  The central core has a combination of gases with the metals. 
C)  Accretion "seeded" Earth with a solid central core. 
D)  The pressure at the central core raises the melting point of the metals higher than its temperature. 
E)  The central core is a frozen block of water ice. 
A)  There is less metal in the central core. 
B)  The central core has a combination of gases with the metals. 
C)  Accretion "seeded" Earth with a solid central core. 
D)  The pressure at the central core raises the melting point of the metals higher than its temperature. 
E)  The central core is a frozen block of water ice.

Question 14

How have scientists been able to determine that Earth has a liquid metal outer core?

Accepted Answer

Geoscientists can use the arrival times

Question 15

In comparing the Terrestrial worlds, which planet is most similar to Earth's Moon?

Accepted Answer

A)  Mercury 
B)  Venus 
C)  Earth 
D)  Mars 
E)  Uranus 
A)  Mercury 
B)  Venus 
C)  Earth 
D)  Mars 
E)  Uranus

Question 16

When Earth was young, its atmosphere had no free ____.

Accepted Answer

A)  nitrogen 
B)  oxygen 
C)  helium 
D)  carbon dioxide 
E)  water vapor 
A)  nitrogen 
B)  oxygen 
C)  helium 
D)  carbon dioxide 
E)  water vapor

Venus, which is 95 percent the diameter of Earth, has a(n) _______________ atmosphere.

Apart from carbon dioxide, which is the most abundant greenhouse gas in Earth's atmosphere?

What theoryexplains the movement of the continents on Earth's surface?

Why can't S waves travel through Earth's liquid core?

The exploration of Earth's interior is possible because _______________ produce vibrations called seismic waves.

Describe each differentiated layers of Earth.

Careful studies of Earth's magnetic field for the past 330 million years shows that it has _____________ many times.

Explain how solar wind interacts with Earth's magnetic field to create auroras at the poles. Make sure to include each part of the magnetic field the solar particles interact with.

Which statement is a common misconception with regard to Earth's atmosphere?

All Terrestrial planets are separated into layers of different densities.

Why do scientist refer to Earth's mantle as a plastic?

The heavy bombardment of the early Solar System made _______________ on the Terrestrial planets.

Why is the very center of Earth's core a solid and not a liquid?

How have scientists been able to determine that Earth has a liquid metal outer core?

In comparing the Terrestrial worlds, which planet is most similar to Earth's Moon?

When Earth was young, its atmosphere had no free ____.

Here and Now

A User S Guide to the Sky

Moon Phases and Eclipses

Origins of Modern Astronomy

Gravity

Light and Telescopes

Atoms and Spectra

The Sun

Origin of the Solar System and Extrasolar Planets

The Moon and Mercury: Comparing Airless Worlds

Venus and Mars

Jupiter and Saturn

Uranus Neptune Pluto and the Kuiper Belt

Meteorites Asteroids and Comets

Astrobiology: Life on Other Worlds

Filters

Exam 11: Earth the Active Planet

Venus, which is 95 percent the diameter of Earth, has a(n) _______________ atmosphere.

Apart from carbon dioxide, which is the most abundant greenhouse gas in Earth's atmosphere?

What theoryexplains the movement of the continents on Earth's surface?

Why can't S waves travel through Earth's liquid core?

The exploration of Earth's interior is possible because _______________ produce vibrations called seismic waves.

Describe each differentiated layers of Earth.

Careful studies of Earth's magnetic field for the past 330 million years shows that it has _____________ many times.

Explain how solar wind interacts with Earth's magnetic field to create auroras at the poles. Make sure to include each part of the magnetic field the solar particles interact with.

Which statement is a common misconception with regard to Earth's atmosphere?

All Terrestrial planets are separated into layers of different densities.

Why do scientist refer to Earth's mantle as a plastic?

The heavy bombardment of the early Solar System made _______________ on the Terrestrial planets.

Why is the very center of Earth's core a solid and not a liquid?

How have scientists been able to determine that Earth has a liquid metal outer core?

In comparing the Terrestrial worlds, which planet is most similar to Earth's Moon?

When Earth was young, its atmosphere had no free ____.

Here and Now

A User S Guide to the Sky

Moon Phases and Eclipses

Origins of Modern Astronomy

Gravity

Light and Telescopes

Atoms and Spectra

The Sun

Origin of the Solar System and Extrasolar Planets

The Moon and Mercury: Comparing Airless Worlds

Venus and Mars

Jupiter and Saturn

Uranus Neptune Pluto and the Kuiper Belt

Meteorites Asteroids and Comets

Astrobiology: Life on Other Worlds

Filters