Question 1

The greatest negative gravity anomalies in the world are found over oceanic trenches.

Accepted Answer

A) True 
 B)False

Question 2

At a pressure equivalent to a depth of 670 km the mineral olivine collapses to form ____.

Accepted Answer

A)  perovskite 
B)  quartz 
C)  mica 
D)  calcite 
E)  zircon 
A)  perovskite 
B)  quartz 
C)  mica 
D)  calcite 
E)  zircon

Question 3

Heat flow ______ the crest of the mid-oceanic ridges.

Accepted Answer

A)  increases away from 
B)  decreases away from 
C)  does not change relative to 
D)  is unknown on 
E)  is the highest on Earth on 
A)  increases away from 
B)  decreases away from 
C)  does not change relative to 
D)  is unknown on 
E)  is the highest on Earth on

Question 4

Most of the evidence for magnetic reversals comes from lava flows on the continents.

Accepted Answer

A) True 
 B)False

Question 5

A ____ is a tool used to study the gravitational attraction between Earth and a mass within the instrument.

Accepted Answer

A)  seismic reflection study 
B)  sonograph 
C)  gravitation recorder 
D)  seismograph 
E)  gravity meter 
A)  seismic reflection study 
B)  sonograph 
C)  gravitation recorder 
D)  seismograph 
E)  gravity meter

Question 6

The bending of seismic waves as they pass from one material to another is called seismic ____.

Accepted Answer

A)  refraction 
B)  reflection 
C)  deflection 
D)  attenuation 
E)  waves don't bend when they pass through different materials. 
A)  refraction 
B)  reflection 
C)  deflection 
D)  attenuation 
E)  waves don't bend when they pass through different materials.

Question 7

The rise of the surface of the crust after removal of glacial ice is known as isostatic rebound.

Accepted Answer

A) True 
 B)False

Question 8

The concept of isostatic adjustment implies that all mountains extend to the same depth in the mantle.

Accepted Answer

A) True 
 B)False

Question 9

As lava cools below the _____ point, a record of the Earth's magnetic field is permanently trapped in the rock.

Accepted Answer

A)  freezing 
B)  burning 
C)  boiling 
D)  melting 
E)  Curie 
A)  freezing 
B)  burning 
C)  boiling 
D)  melting 
E)  Curie

Question 10

Continental crust is ___ relative to oceanic crust.

Accepted Answer

A)  the same thickness 
B)  thinner 
C)  thicker 
D)  hotter 
E)  of unknown relation 
A)  the same thickness 
B)  thinner 
C)  thicker 
D)  hotter 
E)  of unknown relation

Question 11

What is the asthenosphere?

Accepted Answer

A)  It is the surface that separates the crust from the mantle. 
B)  It is the zone that separates the continental crust from the oceanic crust. 
C)  It is in the surface that separates the inner and outer core. 
D)  It is the zone of weakness in the mantle on which the lithosphere moves. 
E)  It is the same as the Gutenberg Discontinuity. 
A)  It is the surface that separates the crust from the mantle. 
B)  It is the zone that separates the continental crust from the oceanic crust. 
C)  It is in the surface that separates the inner and outer core. 
D)  It is the zone of weakness in the mantle on which the lithosphere moves. 
E)  It is the same as the Gutenberg Discontinuity.

Question 12

The rise of the crust after removal of ice is called ____.

Accepted Answer

A)  crustal rebound 
B)  tectonic uplift 
C)  upheaval 
D)  subduction 
E)  dynamic adjustment 
A)  crustal rebound 
B)  tectonic uplift 
C)  upheaval 
D)  subduction 
E)  dynamic adjustment

Question 13

A deviation from average reading is called a(n) ____.

Accepted Answer

A)  deviant 
B)  negative 
C)  anomaly 
D)  above or below average 
E)  positive 
A)  deviant 
B)  negative 
C)  anomaly 
D)  above or below average 
E)  positive

Question 14

The ____ is a low velocity seismic zone.

Accepted Answer

A)  asthenosphere 
B)  lower crust 
C)  core 
D)  outer core 
E)  Mohorovicic discontinuity 
A)  asthenosphere 
B)  lower crust 
C)  core 
D)  outer core 
E)  Mohorovicic discontinuity

Question 15

_____ is the branch of geology that applies physical laws and principles to study Earth.

Accepted Answer

A)  Earthquakology 
B)  Physicalogy 
C)  Geophysics 
D)  Palentology 
E)  Environmental geology 
A)  Earthquakology 
B)  Physicalogy 
C)  Geophysics 
D)  Palentology 
E)  Environmental geology

Question 16

The boundary between the core and the mantle is marked by great changes in ____.

Accepted Answer

A)  seismic velocity 
B)  density 
C)  temperature 
D)  Both seismic velocity and density are correct. 
E)  Seismic velocity, density, and temperature are all correct. 
A)  seismic velocity 
B)  density 
C)  temperature 
D)  Both seismic velocity and density are correct. 
E)  Seismic velocity, density, and temperature are all correct.

Question 17

_____ predicts that the higher a mountain range extends above sea level the deeper it extends into the mantle.

Accepted Answer

A)  Isostatic adjustment 
B)  Crustal rebound 
C)  Mantle convection 
D)  Mohorovicic discontinuity 
E)  Subducting oceanic lithosphere 
A)  Isostatic adjustment 
B)  Crustal rebound 
C)  Mantle convection 
D)  Mohorovicic discontinuity 
E)  Subducting oceanic lithosphere

Question 18

Hot mantle rock rising slowly by convection under parts of the ocean explains ____.

Accepted Answer

A)  mid-oceanic ridges 
B)  underwater volcanoes 
C)  the unexpectedly high heat flow under the oceans 
D)  the thickness of the continents 
E)  the location of earthquakes 
A)  mid-oceanic ridges 
B)  underwater volcanoes 
C)  the unexpectedly high heat flow under the oceans 
D)  the thickness of the continents 
E)  the location of earthquakes

Question 19

The way that P-waves are refracted within the core suggests that there is a solid inner core.

Accepted Answer

A) True 
 B)False

Question 20

A region of magnetic force, called the ______ surround Earth.

Accepted Answer

A)  magnetic force 
B)  magnetic field 
C)  magma field 
D)  magnetic poles 
E)  magnetism 
A)  magnetic force 
B)  magnetic field 
C)  magma field 
D)  magnetic poles 
E)  magnetism

Exam 17: Earths Interior and Geophysical Properties

The greatest negative gravity anomalies in the world are found over oceanic trenches.

At a pressure equivalent to a depth of 670 km the mineral olivine collapses to form ____.

Heat flow ______ the crest of the mid-oceanic ridges.

Most of the evidence for magnetic reversals comes from lava flows on the continents.

A ____ is a tool used to study the gravitational attraction between Earth and a mass within the instrument.

The bending of seismic waves as they pass from one material to another is called seismic ____.

The rise of the surface of the crust after removal of glacial ice is known as isostatic rebound.

The concept of isostatic adjustment implies that all mountains extend to the same depth in the mantle.

As lava cools below the _____ point, a record of the Earth's magnetic field is permanently trapped in the rock.

Continental crust is ___ relative to oceanic crust.

What is the asthenosphere?

The rise of the crust after removal of ice is called ____.

A deviation from average reading is called a(n) ____.

The ____ is a low velocity seismic zone.

_____ is the branch of geology that applies physical laws and principles to study Earth.

The boundary between the core and the mantle is marked by great changes in ____.

_____ predicts that the higher a mountain range extends above sea level the deeper it extends into the mantle.

Hot mantle rock rising slowly by convection under parts of the ocean explains ____.

The way that P-waves are refracted within the core suggests that there is a solid inner core.

A region of magnetic force, called the ______ surround Earth.

Introducing Geology, the Essentials of Plate Tectonics, and Other Important Concepts

Atoms, Elements, and Minerals

Igneous Rocks, Intrusive Activity, and the Origin of Igneous Rocks

Volcanism and Extrusive Rocks

Weathering and Soil

Sediment and Sedimentary Rocks

Metamorphism, Metamorphic Rocks, and Hydrothermal Rocks

Time and Geology

Mass Wasting

Streams and Floods

Ground Water

Glaciers and Glaciation

Deserts and Wind Action

Waves, Beaches, and Coasts

Geologic Structures

Earthquakes

The Sea Floor

Plate Tectonics

Mountain Belts and the Continental Crust

Climate Change

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