Question 1

The molten material that is generated above the subducting slab _______ .

Accepted Answer

A)  contributes material to form volcanoes 
B)  is deposited in the trenches 
C)  becomes part of the core 
D)  is all incorporated into the asthenosphere 
A)  contributes material to form volcanoes 
B)  is deposited in the trenches 
C)  becomes part of the core 
D)  is all incorporated into the asthenosphere

Question 2

What is true of the apparent polar wandering?

Accepted Answer

A)  There is only one magnetic pole, and it is the continents that wander. 
B)  Eurasia and North America have never been connected. 
C)  The magnetic pole wanders all over the globe, so sometimes it is near the equator. 
D)  There were two magnetic poles in times past, and now there is one. 
A)  There is only one magnetic pole, and it is the continents that wander. 
B)  Eurasia and North America have never been connected. 
C)  The magnetic pole wanders all over the globe, so sometimes it is near the equator. 
D)  There were two magnetic poles in times past, and now there is one.

Question 3

A map of the ages of the sea floor shows_______ .

Accepted Answer

A)  the direction of the plate motions 
B)  the location of modern plate boundaries 
C)  how fast the plates are moving 
D)  how much material was produced at the ridges during a given period of time 
A)  the direction of the plate motions 
B)  the location of modern plate boundaries 
C)  how fast the plates are moving 
D)  how much material was produced at the ridges during a given period of time

Question 4

What is a scientific revolution?

Accepted Answer

A)  A rebellion among scientists 
B)  A rejection of an idea for 50 years, which according to the scientific process means it must be timed out and discarded 
C)  A major breakthrough discovery that alters scientists' view on how the earth works 
D)  A lack of consensus yet still a theory is accepted 
A)  A rebellion among scientists 
B)  A rejection of an idea for 50 years, which according to the scientific process means it must be timed out and discarded 
C)  A major breakthrough discovery that alters scientists' view on how the earth works 
D)  A lack of consensus yet still a theory is accepted

Question 5

Explain why Wegner's use of shorelines to match continents in his reconstruction of Pangaea was criticized by other geoscientists and how that issue was subsequently resolved in Plate Tectonic Theory.

Accepted Answer

Wegner used the shorelines to match cont

Question 6

What was the main view of how the world worked geologically prior to the 1960s?

Accepted Answer

A)  It was generally believed that mountains were produced by vertical forces. 
B)  It was generally believed that continents and oceans moved. 
C)  It was generally believed that oceans formed as a result of meteorite impacts. 
D)  It was generally believed that the earth was flat. 
A)  It was generally believed that mountains were produced by vertical forces. 
B)  It was generally believed that continents and oceans moved. 
C)  It was generally believed that oceans formed as a result of meteorite impacts. 
D)  It was generally believed that the earth was flat.

Question 7

Which of the following statements apply to the asthenosphere, but not the lithosphere?

Accepted Answer

A)  partial melting of rising granitic plumes produces huge volumes of basaltic magma 
B)  cool, rigid layer of crust and upper mantle that forms the tectonic plates 
C)  deforms mainly by brittle fracturing and faulting 
D)  zone in the upper mantle that deforms by plastic flowage 
A)  partial melting of rising granitic plumes produces huge volumes of basaltic magma 
B)  cool, rigid layer of crust and upper mantle that forms the tectonic plates 
C)  deforms mainly by brittle fracturing and faulting 
D)  zone in the upper mantle that deforms by plastic flowage

Question 8

Which of the following is not a type of plate boundary?

Accepted Answer

A)  hot spot 
B)  convergent 
C)  transform 
D)  divergent 
A)  hot spot 
B)  convergent 
C)  transform 
D)  divergent

Question 9

Deep ocean trenches are surficial evidence for_______ .

Accepted Answer

A)  rifting beneath a continental plate and the beginning of continental drift 
B)  rising of hot asthenosphere from deep in the mantle 
C)  sinking of oceanic lithosphere into the mantle at a subduction zone 
D)  transform faulting between an oceanic plate and a continental plate 
A)  rifting beneath a continental plate and the beginning of continental drift 
B)  rising of hot asthenosphere from deep in the mantle 
C)  sinking of oceanic lithosphere into the mantle at a subduction zone 
D)  transform faulting between an oceanic plate and a continental plate

The molten material that is generated above the subducting slab _______ .

What is true of the apparent polar wandering?

A map of the ages of the sea floor shows_______ .

What is a scientific revolution?

Explain why Wegner's use of shorelines to match continents in his reconstruction of Pangaea was criticized by other geoscientists and how that issue was subsequently resolved in Plate Tectonic Theory.

What was the main view of how the world worked geologically prior to the 1960s?

Which of the following statements apply to the asthenosphere, but not the lithosphere?

Which of the following is not a type of plate boundary?

Deep ocean trenches are surficial evidence for_______ .

Introduction to Earth Science

Matter and Minerals

Rocks: Materials of the Solid Earth

Earthquakes and Earths Interior

Volcanoes and Other Igneous Activity

Crustal Deformation and Mountain Building

Weathering, Soil, and Mass Movement

Running Water and Groundwater

Glaciers, Deserts, and Wind

Geologic Time

Earths Evolution Through Geologic Time

The Ocean Floor

Ocean Water and Ocean Life

The Dynamic Ocean

The Atmosphere: Composition, Structure, and Temperature

Moisture, Clouds, and Precipitation

Air Pressure and Wind

Weather Patterns and Severe Storms

World Climates and Global Climate Change

Origins of Modern Astronomy

Touring Our Solar System

Light, Telescopes, and the Sun

Beyond Our Solar System

Filters

Exam 4: Plate Tectonics: a Scientific Revolution Unfolds

The molten material that is generated above the subducting slab _______ .

What is true of the apparent polar wandering?

A map of the ages of the sea floor shows_______ .

What is a scientific revolution?

Explain why Wegner's use of shorelines to match continents in his reconstruction of Pangaea was criticized by other geoscientists and how that issue was subsequently resolved in Plate Tectonic Theory.

What was the main view of how the world worked geologically prior to the 1960s?

Which of the following statements apply to the asthenosphere, but not the lithosphere?

Which of the following is not a type of plate boundary?

Deep ocean trenches are surficial evidence for_______ .

Introduction to Earth Science

Matter and Minerals

Rocks: Materials of the Solid Earth

Earthquakes and Earths Interior

Volcanoes and Other Igneous Activity

Crustal Deformation and Mountain Building

Weathering, Soil, and Mass Movement

Running Water and Groundwater

Glaciers, Deserts, and Wind

Geologic Time

Earths Evolution Through Geologic Time

The Ocean Floor

Ocean Water and Ocean Life

The Dynamic Ocean

The Atmosphere: Composition, Structure, and Temperature

Moisture, Clouds, and Precipitation

Air Pressure and Wind

Weather Patterns and Severe Storms

World Climates and Global Climate Change

Origins of Modern Astronomy

Touring Our Solar System

Light, Telescopes, and the Sun

Beyond Our Solar System

Filters