Question 1

Earth's surface is protected from solar wind and cosmic radiation by ____________.

Accepted Answer

A) Earth's gravitational field 
B) Earth's magnetic field 
C) a large,metallic shield launched into orbit by NASA in the 1960s 
D) a powerful stream of ions emitted by the Sun 
A) Earth's gravitational field 
B) Earth's magnetic field 
C) a large,metallic shield launched into orbit by NASA in the 1960s 
D) a powerful stream of ions emitted by the Sun

Question 2

The boundary between the crust and the mantle is marked by a seismic-velocity discontinuity called ____________.

Accepted Answer

A) the Edsel 
B) the Moho 
C) Lyell's surface 
D) the crantle 
A) the Edsel 
B) the Moho 
C) Lyell's surface 
D) the crantle

Question 3

People have speculated about Earth's interior since ancient times.The astronomer Nevil Maskelyne estimated Earth's ____________ in 1776,whereas the author Jules Verne described the interior of the Earth as a series of interconnected ____________ in 1864 and the physicist Emil Weichert determined that Earth's interior must contain ____________ in 1896.

Accepted Answer

A) circumference;dungeons;rocks 
B) weight;caverns;metal 
C) weight;dungeons;rocks 
D) mass;caverns;metal 
A) circumference;dungeons;rocks 
B) weight;caverns;metal 
C) weight;dungeons;rocks 
D) mass;caverns;metal

Question 4

Hot,liquid rock beneath the surface of the Earth is termed ____________.

Accepted Answer

A) lava 
B) magma 
C) volatiles 
D) brimstone 
A) lava 
B) magma 
C) volatiles 
D) brimstone

Question 5

Which layer of the Earth has the greatest density?

Accepted Answer

A) crust 
B) mantle 
C) core 
A) crust 
B) mantle 
C) core

Question 6

The velocities of seismic waves traveling from earthquake foci ____________.

Accepted Answer

A) are uniform throughout all layers of Earth 
B) monotonically decrease with depth,at a consistent rate of deceleration 
C) monotonically increase with depth,at a consistent rate of acceleration 
D) generally increase with depth,occasionally making abrupt jumps termed seismic velocity discontinuities 
A) are uniform throughout all layers of Earth 
B) monotonically decrease with depth,at a consistent rate of deceleration 
C) monotonically increase with depth,at a consistent rate of acceleration 
D) generally increase with depth,occasionally making abrupt jumps termed seismic velocity discontinuities

Question 7

Earth's magnetic field is generated by the ____________.

Accepted Answer

A) flow of the liquid inner core 
B) flow of the liquid outer core 
C) convective flow of the mantle 
D) magnetic minerals within the crust 
A) flow of the liquid inner core 
B) flow of the liquid outer core 
C) convective flow of the mantle 
D) magnetic minerals within the crust

Question 8

The Moho ____________.

Accepted Answer

A) lies at uniform depth everywhere it is found in Earth 
B) is found deeper underneath continents than under oceans 
C) is found deeper underneath oceans than under continents 
D) is found well below the crust/mantle boundary 
A) lies at uniform depth everywhere it is found in Earth 
B) is found deeper underneath continents than under oceans 
C) is found deeper underneath oceans than under continents 
D) is found well below the crust/mantle boundary

Question 9

A mixture of copper and tin would be called ___________.

Accepted Answer

A) a metal 
B) an alloy 
C) a melt 
D) a volatile 
A) a metal 
B) an alloy 
C) a melt 
D) a volatile

Question 10

Presently,Earth's atmosphere is dominated by which two gases?

Accepted Answer

A) hydrogen and oxygen 
B) carbon dioxide and methane 
C) nitrogen and oxygen 
D) nitrous oxide and sulfur dioxide 
A) hydrogen and oxygen 
B) carbon dioxide and methane 
C) nitrogen and oxygen 
D) nitrous oxide and sulfur dioxide

Earth's surface is protected from solar wind and cosmic radiation by ____________.

The boundary between the crust and the mantle is marked by a seismic-velocity discontinuity called ____________.

Hot,liquid rock beneath the surface of the Earth is termed ____________.

Which layer of the Earth has the greatest density?

The velocities of seismic waves traveling from earthquake foci ____________.

Earth's magnetic field is generated by the ____________.

The Moho ____________.

A mixture of copper and tin would be called ___________.

Presently,Earth's atmosphere is dominated by which two gases?

Cosmology and the Birth of Earth

Drifting Continents and Spreading Seas

The Way the Earth Works: Plate Tectonics

Patterns in Nature: Minerals

Up From the Inferno: Magma and Igneous Rock

Pages of Earths Past: Sedimentary Rocks

Metamorphism: A Process of Change

The Wrath of Vulcan: Volcanic Eruptions

A Violent Pulse: Earthquakes

Cracks, crags, and Crumples: Crustal Deformation and Mountain Building

Deep Time: How Old Is Old

A Biography of Earth

Squeezing Power From a Stone: Energy Resources

Riches in Rock: Mineral Resources

Unsafe Ground: Landslides and Other Mass Movements

Streams and Floods: The Geology of Running Water

Restless Realm: Oceans and Coasts

A Hidden Reserve: Groundwater

An Envelope of Gas: Earths Atmosphere and Climate

Dry Settings: the Geology of Deserts

Amazing Ice: Glaciers and Ice Ages

Global Change in the Earth System

Filters

Exam 2: Journey to the Center of the Earth

Earth's surface is protected from solar wind and cosmic radiation by ____________.

The boundary between the crust and the mantle is marked by a seismic-velocity discontinuity called ____________.

Hot,liquid rock beneath the surface of the Earth is termed ____________.

Which layer of the Earth has the greatest density?

The velocities of seismic waves traveling from earthquake foci ____________.

Earth's magnetic field is generated by the ____________.

The Moho ____________.

A mixture of copper and tin would be called ___________.

Presently,Earth's atmosphere is dominated by which two gases?

Cosmology and the Birth of Earth

Drifting Continents and Spreading Seas

The Way the Earth Works: Plate Tectonics

Patterns in Nature: Minerals

Up From the Inferno: Magma and Igneous Rock

Pages of Earths Past: Sedimentary Rocks

Metamorphism: A Process of Change

The Wrath of Vulcan: Volcanic Eruptions

A Violent Pulse: Earthquakes

Cracks, crags, and Crumples: Crustal Deformation and Mountain Building

Deep Time: How Old Is Old

A Biography of Earth

Squeezing Power From a Stone: Energy Resources

Riches in Rock: Mineral Resources

Unsafe Ground: Landslides and Other Mass Movements

Streams and Floods: The Geology of Running Water

Restless Realm: Oceans and Coasts

A Hidden Reserve: Groundwater

An Envelope of Gas: Earths Atmosphere and Climate

Dry Settings: the Geology of Deserts

Amazing Ice: Glaciers and Ice Ages

Global Change in the Earth System

Filters