Question 1

In the process of breaking down the ozone layer, the chlorine from the CFCs acts as a(n)________.

Accepted Answer

The answer of In the process of breaking down the...

Question 2

Explain how radioactive dating works, and why it works only with igneous rocks.

Accepted Answer

Radioactive dating compares the amount o

Question 3

Almost all the oxygen in Earth's atmosphere is unique among the planets in our solar system.

Accepted Answer

A) True 
 B)False

Question 4

The ozone layer lies at the boundary of the stratosphere and mesosphere.

Accepted Answer

A) True 
 B)False

Question 5

Which of these is NOT a product of plate tectonics and hot spots?

Accepted Answer

A) Hawaii 
B) Yellowstone and Old Faithful 
C) the Mid Atlantic Rift 
D) the Andes 
E) the Grand Canyon's eroded depths 
A) Hawaii 
B) Yellowstone and Old Faithful 
C) the Mid Atlantic Rift 
D) the Andes 
E) the Grand Canyon's eroded depths

Question 6

When water vapor condenses out at the cool tops of convection cells, what happens?

Accepted Answer

A) It rains. 
B) It snows. 
C) Clouds form. 
D) A hurricane forms. 
E) A tropical depression forms. 
A) It rains. 
B) It snows. 
C) Clouds form. 
D) A hurricane forms. 
E) A tropical depression forms.

Question 7

The hydrosphere covers about 50% of the Earth's crust.

Accepted Answer

A) True 
 B)False

Question 8

Which major atmospheric component is chiefly a product of life processes?

Accepted Answer

A) carbon dioxide 
B) water 
C) oxygen 
D) hydrogen sulfide 
E) nitrogen 
A) carbon dioxide 
B) water 
C) oxygen 
D) hydrogen sulfide 
E) nitrogen

Question 9

Without the greenhouse effect operating in our atmosphere:

Accepted Answer

A) we would not have to worry about any warming problems in the future. 
B) Earth would have an average temperature of -23 degrees Celsius. 
C) the ice in the polar regions would have melted long ago. 
D) the ozone layer would not be weakening. 
E) the Earth would have become much more like Venus long ago. 
A) we would not have to worry about any warming problems in the future. 
B) Earth would have an average temperature of -23 degrees Celsius. 
C) the ice in the polar regions would have melted long ago. 
D) the ozone layer would not be weakening. 
E) the Earth would have become much more like Venus long ago.

Question 10

Earth's interior has been heated by 3 processes. These are:

Accepted Answer

A) formation, differentiation and radioactivity. 
B) earthquakes, volcanoes and tectonics. 
C) convection, conduction and radiation. 
D) tides, sunlight and the rock cycle. 
E) greenhouse effect, dynamo effect and ozone depletion. 
A) formation, differentiation and radioactivity. 
B) earthquakes, volcanoes and tectonics. 
C) convection, conduction and radiation. 
D) tides, sunlight and the rock cycle. 
E) greenhouse effect, dynamo effect and ozone depletion.

Question 11

The auroral displays occur in our ________.

Accepted Answer

The answer of The auroral displays occur in our ________....

Question 12

The critical part of the atmosphere for protecting life on the ground from excessiveultraviolet radiation is the:

Accepted Answer

A) hydrosphere. 
B) troposphere. 
C) ozone layer. 
D) stratosphere. 
E) ionosphere. 
A) hydrosphere. 
B) troposphere. 
C) ozone layer. 
D) stratosphere. 
E) ionosphere.

Question 13

The ozone layer blocks much of the Sun's visible radiation.

Accepted Answer

A) True 
 B)False

Question 14

A hot, molten body of different materials will become ________.

Accepted Answer

The answer of A hot, molten body of different materials...

Question 15

Almost all of our atmospheric gases lie in the:

Accepted Answer

A) ionosphere. 
B) stratosphere. 
C) troposphere. 
D) ozone layer. 
E) mesosphere. 
A) ionosphere. 
B) stratosphere. 
C) troposphere. 
D) ozone layer. 
E) mesosphere.

Question 16

What is the principal evidence that new plate material is continually being formed?

Accepted Answer

The material in the Mid-Atlantic Rift is

Question 17

Evidence that the Earth was nearly molten at one time comes from the differentiation ofmaterials by ________ from core to crust.

Accepted Answer

The answer of Evidence that the Earth was nearly molten...

Question 18

Seismic S-waves can travel through Earth's liquid outer core.

Accepted Answer

A) True 
 B)False

Question 19

Seismic P-waves can travel through both solid and liquid materials.

Accepted Answer

A) True 
 B)False

Question 20

The relative size of the atmosphere layer as compared to the solid part of Earth is most similarto:

Accepted Answer

A) the peel of an orange as compared to the meat of the orange. 
B) the rind of a watermelon as compared to the meat of the watermelon. 
C) the skin of a grape as compared to the meat of the grape. 
D) the meat of a peach as compared to the pit of the peach. 
E) the meat of a cherry as compared to the pit of the cherry. 
A) the peel of an orange as compared to the meat of the orange. 
B) the rind of a watermelon as compared to the meat of the watermelon. 
C) the skin of a grape as compared to the meat of the grape. 
D) the meat of a peach as compared to the pit of the peach. 
E) the meat of a cherry as compared to the pit of the cherry.

Exam 7: Earth: Our Home in Space

In the process of breaking down the ozone layer, the chlorine from the CFCs acts as a(n)________.

Explain how radioactive dating works, and why it works only with igneous rocks.

Almost all the oxygen in Earth's atmosphere is unique among the planets in our solar system.

The ozone layer lies at the boundary of the stratosphere and mesosphere.

Which of these is NOT a product of plate tectonics and hot spots?

When water vapor condenses out at the cool tops of convection cells, what happens?

The hydrosphere covers about 50% of the Earth's crust.

Which major atmospheric component is chiefly a product of life processes?

Without the greenhouse effect operating in our atmosphere:

Earth's interior has been heated by 3 processes. These are:

The auroral displays occur in our ________.

The critical part of the atmosphere for protecting life on the ground from excessiveultraviolet radiation is the:

The ozone layer blocks much of the Sun's visible radiation.

A hot, molten body of different materials will become ________.

Almost all of our atmospheric gases lie in the:

What is the principal evidence that new plate material is continually being formed?

Evidence that the Earth was nearly molten at one time comes from the differentiation ofmaterials by ________ from core to crust.

Seismic S-waves can travel through Earth's liquid outer core.

Seismic P-waves can travel through both solid and liquid materials.

The relative size of the atmosphere layer as compared to the solid part of Earth is most similarto:

Charting the Heavens: The Foundations of Astronomy

The Copernican Revolution: The Birth of Modern Science

Radiation: Information From the Cosmos

Spectroscopy: the Inner Workings of Atoms

Telescopes: The Tools of Astronomy

The Solar System: Comparative Planetology and Formation Models

The Moon and Mercury: Scorched and Battered Worlds

Venus: Earths Sister Planet

Mars: a Near Miss for Life

Jupiter: Giant of the Solar System

Saturn: Spectacular Rings and Mysterious Moons

Uranus and Neptune: The Outer Worlds of the Solar System

Solar System Debris: Keys to Our Origin

Exoplanets: Planetary Systems Beyond Our Own

The Sun: Our Parent Star

The Stars: Giants, Dwarfs, and the Main Sequence

The Interstellar Medium: Gas and Dust Among the Stars

Star Formation: a Traumatic Birth

Stellar Evolution: The Life and Death of a Star

Stellar Explosions: Novae, Supernovae, and the Formation of the Elements

Neutron Stars and Black Holes: Strange States of Matter

The Milky Way Galaxy: a Spiral in Space

Galaxies: Building Blocks of the Universe

Galaxies and Dark Matter: The Large-Scale Structure of the Cosmos

Cosmology: The Big Bang and the Fate of the Universe

The Early Universe: Toward the Beginning of Time

Life in the Universe: Are We Alone

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