Question 1

Alfred Wegner's theory of continental drift was immediately accepted by the scientific community when it was proposed.

Accepted Answer

A) True 
 B)False

Question 2

At which of the following locations is new ocean crust being formed?

Accepted Answer

A)  oceanic rift zones 
B)  along collision zones between two continents 
C)  along collision zones between two oceanic plates 
D)  in oceanic trenches 
A)  oceanic rift zones 
B)  along collision zones between two continents 
C)  along collision zones between two oceanic plates 
D)  in oceanic trenches

Question 3

New oceanic crust is formed at mid-ocean ridges.

Accepted Answer

A) True 
 B)False

Question 4

The percentage of oxygen is the crusts is ________ than that in the atmosphere.

Accepted Answer

A)  greater than 
B)  less than 
C)  the same as 
A)  greater than 
B)  less than 
C)  the same as

Question 5

Which of the following is incorrect regarding Earth's inner core?

Accepted Answer

A)  It has a density of 13.5 grams/cm³. 
B)  It is solid iron in composition. 
C)  It is the source of Earth's magnetic field. 
D)  It is about 1230 km (760 mi.) thick. 
A)  It has a density of 13.5 grams/cm³. 
B)  It is solid iron in composition. 
C)  It is the source of Earth's magnetic field. 
D)  It is about 1230 km (760 mi.) thick.

Question 6

Present the main assumptions of uniformitarianism.

Accepted Answer

The present is the key to the past. Unif

Question 7

Areas where plates slide past one another, usually are right angles to a seafloor spreading are

Accepted Answer

A)  divergent boundaries. 
B)  areas of seafloor spreading. 
C)  transform boundaries. 
D)  convergent boundaries. 
A)  divergent boundaries. 
B)  areas of seafloor spreading. 
C)  transform boundaries. 
D)  convergent boundaries.

Question 8

During the past ice age, landmasses were generally

Accepted Answer

A)  pressed down into the asthenosphere by the load of ice. 
B)  elevated, because ice is lighter than rock. 
C)  unaffected by the climatic conditions of the time. 
D)  more exposed to the atmosphere. 
A)  pressed down into the asthenosphere by the load of ice. 
B)  elevated, because ice is lighter than rock. 
C)  unaffected by the climatic conditions of the time. 
D)  more exposed to the atmosphere.

Question 9

What type of rock is derived from the bits and pieces of former rocks?

Accepted Answer

A)  sedimentary 
B)  metamorphic 
C)  igneous 
D)  hydrothermal 
A)  sedimentary 
B)  metamorphic 
C)  igneous 
D)  hydrothermal

Question 10

Approximately 95% of the Earth's crust is made up of

Accepted Answer

A)  oxides. 
B)  phosphates. 
C)  silicates. 
D)  carbonates. 
A)  oxides. 
B)  phosphates. 
C)  silicates. 
D)  carbonates.

Question 11

Plate boundaries are associated with

Accepted Answer

A)  earthquakes. 
B)  volcanoes. 
C)  subduction. 
D)  rifting. 
E)  All of these are correct. 
A)  earthquakes. 
B)  volcanoes. 
C)  subduction. 
D)  rifting. 
E)  All of these are correct.

Question 12

Briefly review the history of the theory of plate tectonics. What was Alfred Wegener's role? What evidence did he present? Why was his theory not widely accepted initially? What new evidence led to its later acceptance?

Accepted Answer

Plate tectonics is the theory that descr

Question 13

Pangaea is currently dated at

Accepted Answer

A)  4.6 billion years ago. 
B)  about half the timespan of Earth's existence. 
C)  225 to 200 million years ago. 
D)  65 million years ago. 
E)  the beginning of the Holocene. 
A)  4.6 billion years ago. 
B)  about half the timespan of Earth's existence. 
C)  225 to 200 million years ago. 
D)  65 million years ago. 
E)  the beginning of the Holocene.

Question 14

In terms of dating of specific rocks, structures, or landscapes, relative age refers to

Accepted Answer

A)  the age of geological features based on isotopic dating techniques. 
B)  the approximate age of geological features based on the period or epoch in which they occurred. For instance, noting a feature is from the Cretaceous. 
C)  the inability to ascertain exact age through isotopic methods and the necessity to provide a date range for such features. 
D)  the age of one feature with respect to another within a sequence of events and deduced from the positions of rock strata above and below one another. 
A)  the age of geological features based on isotopic dating techniques. 
B)  the approximate age of geological features based on the period or epoch in which they occurred. For instance, noting a feature is from the Cretaceous. 
C)  the inability to ascertain exact age through isotopic methods and the necessity to provide a date range for such features. 
D)  the age of one feature with respect to another within a sequence of events and deduced from the positions of rock strata above and below one another.

Question 15

Any rock, either igneous or sedimentary, may be transformed into a metamorphic rock, by going through profound physical and/or chemical changes under increased pressure and temperature.

Accepted Answer

A) True 
 B)False

Question 16

Molten rock beneath the Earth's surface is known as ________, whereas molten rock on the Earth's surface is called ________.

Accepted Answer

A)  lava; magma 
B)  intrusive; extrusive 
C)  magma; lava 
D)  extrusive; intrusive 
A)  lava; magma 
B)  intrusive; extrusive 
C)  magma; lava 
D)  extrusive; intrusive

Question 17

Which of the following is correct regarding continental drift?

Accepted Answer

A)  It occurred about two billion years ago, but no longer occurs today. 
B)  The term "continental drift" is now called plate tectonics. 
C)  It does not occur because the crust is brittle. 
D)  It is an old theory that has been essentially disproven. 
A)  It occurred about two billion years ago, but no longer occurs today. 
B)  The term "continental drift" is now called plate tectonics. 
C)  It does not occur because the crust is brittle. 
D)  It is an old theory that has been essentially disproven.

Question 18

The principles of buoyancy and balance, when applied to Earth's crust, helps us to explain fluctuations in Earth's outer crust, a property known as

Accepted Answer

A)  magnetism. 
B)  Moho effect. 
C)  isostasy. 
D)  orogenesis. 
A)  magnetism. 
B)  Moho effect. 
C)  isostasy. 
D)  orogenesis.

Question 19

Which of the following is an endogenic process?

Accepted Answer

A)  weathering 
B)  stream deposition 
C)  volcanism 
D)  glacial erosion 
A)  weathering 
B)  stream deposition 
C)  volcanism 
D)  glacial erosion

Question 20

Endogenic processes cause warping, folding, faulting, and uplift of Earth's surface.

Accepted Answer

A) True 
 B)False

Alfred Wegner's theory of continental drift was immediately accepted by the scientific community when it was proposed.

At which of the following locations is new ocean crust being formed?

New oceanic crust is formed at mid-ocean ridges.

The percentage of oxygen is the crusts is ________ than that in the atmosphere.

Which of the following is incorrect regarding Earth's inner core?

Present the main assumptions of uniformitarianism.

Areas where plates slide past one another, usually are right angles to a seafloor spreading are

During the past ice age, landmasses were generally

What type of rock is derived from the bits and pieces of former rocks?

Approximately 95% of the Earth's crust is made up of

Plate boundaries are associated with

Briefly review the history of the theory of plate tectonics. What was Alfred Wegener's role? What evidence did he present? Why was his theory not widely accepted initially? What new evidence led to its later acceptance?

Pangaea is currently dated at

In terms of dating of specific rocks, structures, or landscapes, relative age refers to

Any rock, either igneous or sedimentary, may be transformed into a metamorphic rock, by going through profound physical and/or chemical changes under increased pressure and temperature.

Molten rock beneath the Earth's surface is known as , whereas molten rock on the Earth's surface is called .

Which of the following is correct regarding continental drift?

The principles of buoyancy and balance, when applied to Earth's crust, helps us to explain fluctuations in Earth's outer crust, a property known as

Which of the following is an endogenic process?

Endogenic processes cause warping, folding, faulting, and uplift of Earth's surface.

Essentials of Geography

Solar Energy to Earth and the Seasons

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

Climate Change

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems and Landforms

The Oceans, Coastal Processes, and Wind Processes

Glacial and Periglacial Processes and Landforms

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters

Exam 12: The Dynamic Planet

Alfred Wegner's theory of continental drift was immediately accepted by the scientific community when it was proposed.

At which of the following locations is new ocean crust being formed?

New oceanic crust is formed at mid-ocean ridges.

The percentage of oxygen is the crusts is ________ than that in the atmosphere.

Which of the following is incorrect regarding Earth's inner core?

Present the main assumptions of uniformitarianism.

Areas where plates slide past one another, usually are right angles to a seafloor spreading are

During the past ice age, landmasses were generally

What type of rock is derived from the bits and pieces of former rocks?

Approximately 95% of the Earth's crust is made up of

Plate boundaries are associated with

Briefly review the history of the theory of plate tectonics. What was Alfred Wegener's role? What evidence did he present? Why was his theory not widely accepted initially? What new evidence led to its later acceptance?

Pangaea is currently dated at

In terms of dating of specific rocks, structures, or landscapes, relative age refers to

Any rock, either igneous or sedimentary, may be transformed into a metamorphic rock, by going through profound physical and/or chemical changes under increased pressure and temperature.

Molten rock beneath the Earth's surface is known as ________, whereas molten rock on the Earth's surface is called ________.

Which of the following is correct regarding continental drift?

The principles of buoyancy and balance, when applied to Earth's crust, helps us to explain fluctuations in Earth's outer crust, a property known as

Which of the following is an endogenic process?

Endogenic processes cause warping, folding, faulting, and uplift of Earth's surface.

Essentials of Geography

Solar Energy to Earth and the Seasons

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

Climate Change

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems and Landforms

The Oceans, Coastal Processes, and Wind Processes

Glacial and Periglacial Processes and Landforms

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters

Molten rock beneath the Earth's surface is known as , whereas molten rock on the Earth's surface is called .