Question 1

Marine magnetic anomaly belts run parallel to ____________.

Accepted Answer

A) mid-ocean ridges 
B) fracture zones 
C) continental coastlines 
D) continental shelves 
A) mid-ocean ridges 
B) fracture zones 
C) continental coastlines 
D) continental shelves

Question 2

Wegener's idea of continental drift was rejected by American geologists because ____________.

Accepted Answer

A) his English was too poor to be understood by them 
B) he could not conceive of a valid mechanism that would cause continents to shift positions 
C) he had relatively little evidence supporting the existence of a supercontinent 
D) the apparent fit of continental coastlines is blurred when the margins are defined by the edges of continental shelves rather than sea level 
A) his English was too poor to be understood by them 
B) he could not conceive of a valid mechanism that would cause continents to shift positions 
C) he had relatively little evidence supporting the existence of a supercontinent 
D) the apparent fit of continental coastlines is blurred when the margins are defined by the edges of continental shelves rather than sea level

Question 3

Distinctive rock sequences on South America terminate at the Atlantic Ocean but reappear on the continent of ____________.

Accepted Answer

A) Africa 
B) Europe 
C) North America 
D) Australia 
A) Africa 
B) Europe 
C) North America 
D) Australia

Question 4

Marine magnetic anomalies result from sea-floor spreading in conjunction with ____________.

Accepted Answer

A) global warming 
B) magnetic storms on the surface of the Sun 
C) magnetic polarity reversals 
D) apparent wander of the magnetic poles 
A) global warming 
B) magnetic storms on the surface of the Sun 
C) magnetic polarity reversals 
D) apparent wander of the magnetic poles

Question 5

If you were using both a compass and a map marked with latitude and longitude to navigate,you might note the angle difference between your compass and what is marked on the map,called _____________.

Accepted Answer

A) magnetic inclination 
B) magnetic declination 
C) magnetic dipole 
D) magnetic reversal 
A) magnetic inclination 
B) magnetic declination 
C) magnetic dipole 
D) magnetic reversal

Question 6

The magnetic field of Earth in the geologic past is ____________.

Accepted Answer

A) unknown,but it is assumed to have been identical to today's 
B) known to have been constant through geologic time,due to remnant magnetization of iron-rich minerals in rocks 
C) known to have experienced numerous polarity reversals,due to remnant magnetization of iron-rich minerals in rocks 
D) known to have been constant through time,on the basis of theoretical calculations 
A) unknown,but it is assumed to have been identical to today's 
B) known to have been constant through geologic time,due to remnant magnetization of iron-rich minerals in rocks 
C) known to have experienced numerous polarity reversals,due to remnant magnetization of iron-rich minerals in rocks 
D) known to have been constant through time,on the basis of theoretical calculations

Question 7

The age of oceanic crust ____________ with increasing distance from a mid-ocean ridge.

Accepted Answer

A) increases 
B) decreases 
A) increases 
B) decreases

Question 8

If a geologist discovered coal in a modern-day cold,snowy location,he or she could conclude that _____________.

Accepted Answer

A) a meteorite must have struck the area 
B) the area was once covered with swamps and/or jungles 
C) the area was once covered with an ocean 
D) this discovery was anomalous 
A) a meteorite must have struck the area 
B) the area was once covered with swamps and/or jungles 
C) the area was once covered with an ocean 
D) this discovery was anomalous

Question 9

The term and concept of sea-floor spreading (see figure below)was developed by _____________.

Accepted Answer

A) Hess and Dietz 
B) Hess and Wegener 
C) Wegener and Dietz 
D) Wegener 
A) Hess and Dietz 
B) Hess and Wegener 
C) Wegener and Dietz 
D) Wegener

Question 10

The apparent tendency of the north (or south)magnetic pole to vary in position over time is termed ____________.

Accepted Answer

A) dipole 
B) magnetic declination 
C) magnetic inclination 
D) polar wander 
A) dipole 
B) magnetic declination 
C) magnetic inclination 
D) polar wander

Question 11

The thickness of clay and planktonic microskeletons is greatest ____________.

Accepted Answer

A) along mid-ocean ridges 
B) along fracture zones 
C) at the edges of ocean basins 
D) in the center of abyssal plains 
A) along mid-ocean ridges 
B) along fracture zones 
C) at the edges of ocean basins 
D) in the center of abyssal plains

Marine magnetic anomaly belts run parallel to ____________.

Wegener's idea of continental drift was rejected by American geologists because ____________.

Distinctive rock sequences on South America terminate at the Atlantic Ocean but reappear on the continent of ____________.

Marine magnetic anomalies result from sea-floor spreading in conjunction with ____________.

If you were using both a compass and a map marked with latitude and longitude to navigate,you might note the angle difference between your compass and what is marked on the map,called _____________.

The magnetic field of Earth in the geologic past is ____________.

The age of oceanic crust ____________ with increasing distance from a mid-ocean ridge.

If a geologist discovered coal in a modern-day cold,snowy location,he or she could conclude that _____________.

The term and concept of sea-floor spreading (see figure below)was developed by _____________.

The apparent tendency of the north (or south)magnetic pole to vary in position over time is termed ____________.

The thickness of clay and planktonic microskeletons is greatest ____________.

Cosmology and the Birth of Earth

Journey to the Center of the Earth

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 3: Drifting Continents and Spreading Seas

Marine magnetic anomaly belts run parallel to ____________.

Wegener's idea of continental drift was rejected by American geologists because ____________.

Distinctive rock sequences on South America terminate at the Atlantic Ocean but reappear on the continent of ____________.

Marine magnetic anomalies result from sea-floor spreading in conjunction with ____________.

If you were using both a compass and a map marked with latitude and longitude to navigate,you might note the angle difference between your compass and what is marked on the map,called _____________.

The magnetic field of Earth in the geologic past is ____________.

The age of oceanic crust ____________ with increasing distance from a mid-ocean ridge.

If a geologist discovered coal in a modern-day cold,snowy location,he or she could conclude that _____________.

The term and concept of sea-floor spreading (see figure below)was developed by _____________.

The apparent tendency of the north (or south)magnetic pole to vary in position over time is termed ____________.

The thickness of clay and planktonic microskeletons is greatest ____________.

Cosmology and the Birth of Earth

Journey to the Center of the Earth

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