Question 1

What kind of plate boundary separates the South American Plate from the African Plate?

Accepted Answer

A divergent boundary.The Mid-A

Question 2

Compare the relative speeds of primary and secondary seismic waves,and relate speeds of travel to the medium in which the waves travel.

Accepted Answer

The speed of a wave depends on the type

Question 3

Compressive stress causes rocks to buckle and fold.In a syncline fold,the rocks at the fold axis (the core)are

Accepted Answer

A) younger than those away from the axis. 
B) older than those away from the axis. 
C) more deformed than those away from the core. 
D) less deformed than those away from the core. 
A) younger than those away from the axis. 
B) older than those away from the axis. 
C) more deformed than those away from the core. 
D) less deformed than those away from the core.

Question 4

Transform-fault boundaries usually form

Accepted Answer

A) between two segments of a mid-ocean ridge. 
B) between two other transform-fault boundaries. 
C) between a mid-ocean ridge and a subduction zone. 
D) in the rift of a mid-ocean ridge. 
A) between two segments of a mid-ocean ridge. 
B) between two other transform-fault boundaries. 
C) between a mid-ocean ridge and a subduction zone. 
D) in the rift of a mid-ocean ridge.

Question 5

Most of the state of Nevada is in the Basin and Range Province.The predominant active fault for this region is

Accepted Answer

A) thrust faulting. 
B) reverse faulting. 
C) normal faulting. 
D) none of the above 
A) thrust faulting. 
B) reverse faulting. 
C) normal faulting. 
D) none of the above

Question 6

Wegener's theory of continental drift

Accepted Answer

A) was first considered a monumental breakthrough in science. 
B) was not accepted by the scientific community of the early 1900s. 
C) proved that heat flows convectively below Earth's surface. 
D) has been proved wrong. 
A) was first considered a monumental breakthrough in science. 
B) was not accepted by the scientific community of the early 1900s. 
C) proved that heat flows convectively below Earth's surface. 
D) has been proved wrong.

Question 7

Magma is generated at all of these plate boundaries except

Accepted Answer

A) divergent boundaries. 
B) oceanic-oceanic convergent boundaries. 
C) oceanic-continental convergent boundaries. 
D) continental-continental convergent boundaries. 
A) divergent boundaries. 
B) oceanic-oceanic convergent boundaries. 
C) oceanic-continental convergent boundaries. 
D) continental-continental convergent boundaries.

Question 8

The majority of earthquakes occur where

Accepted Answer

A) lithospheric plates meet. 
B) the asthenosphere touches the lithosphere. 
C) the land surface is made of unconsolidated sediments. 
D) narrow zones of land touch. 
A) lithospheric plates meet. 
B) the asthenosphere touches the lithosphere. 
C) the land surface is made of unconsolidated sediments. 
D) narrow zones of land touch.

Question 9

The Earth's magnetic field is generated in

Accepted Answer

A) outer space. 
B) the crust. 
C) the mantle. 
D) the outer core. 
A) outer space. 
B) the crust. 
C) the mantle. 
D) the outer core.

Question 10

Earth's magnetic field is not stable; throughout geologic time it has changed direction.This change is attributed to

Accepted Answer

A) changes in the direction of fluid flow in the molten outer core of Earth. 
B) magnetic pole reversals. 
C) fluctuations in the time / space continuum. 
D) changes in the direction of fluid flow in the molten inner core of Earth. 
A) changes in the direction of fluid flow in the molten outer core of Earth. 
B) magnetic pole reversals. 
C) fluctuations in the time / space continuum. 
D) changes in the direction of fluid flow in the molten inner core of Earth.

Question 11

The lithosphere includes

Accepted Answer

A) continental and oceanic crust. 
B) the crust and the upper part of the mantle. 
C) part of the mantle and the crust. 
D) continental and oceanic crust and the upper part of the mantle. 
A) continental and oceanic crust. 
B) the crust and the upper part of the mantle. 
C) part of the mantle and the crust. 
D) continental and oceanic crust and the upper part of the mantle.

Question 12

A tsunami is unlike most other water waves mainly because it

Accepted Answer

A) is stronger. 
B) has a very long wavelength. 
C) moves very fast. 
D) is energetic. 
A) is stronger. 
B) has a very long wavelength. 
C) moves very fast. 
D) is energetic.

Question 13

Rocks in the core of an anticline are ________ than rocks away from the core.

Accepted Answer

A) higher 
B) lower 
C) older 
D) younger 
A) higher 
B) lower 
C) older 
D) younger

Question 14

Alfred Wegener supported his theory of continental drift by

Accepted Answer

A) fitting together the shorelines of the African and South American continents. 
B) using paleoclimatic data-evidence of glaciers in the Northern Hemisphere. 
C) paleomagnetic data. 
D) making a connection between rocks,rock structures,and plant and animal fossils found in both Africa and South America. 
A) fitting together the shorelines of the African and South American continents. 
B) using paleoclimatic data-evidence of glaciers in the Northern Hemisphere. 
C) paleomagnetic data. 
D) making a connection between rocks,rock structures,and plant and animal fossils found in both Africa and South America.

Question 15

Which of the following did Alfred Wegener not use to support his theory of continental drift?

Accepted Answer

A) paleoclimate data 
B) similar fossils on widely separated continents 
C) paleomagnetic data 
D) similar rocks on widely separated continents 
A) paleoclimate data 
B) similar fossils on widely separated continents 
C) paleomagnetic data 
D) similar rocks on widely separated continents

Question 16

We can say that Earth's crust floats on the mantle because

Accepted Answer

A) the mantle is very hot and flows from internal convection. 
B) part of the mantle is hot enough to flow as a plastic solid. 
C) the continental crust floats on the oceanic crust. 
D) the mantle is below the crust. 
A) the mantle is very hot and flows from internal convection. 
B) part of the mantle is hot enough to flow as a plastic solid. 
C) the continental crust floats on the oceanic crust. 
D) the mantle is below the crust.

Question 17

Granite does not readily form near oceanic-oceanic convergent boundaries because

Accepted Answer

A) granite forms from granitic magma and most oceanic material is basaltic in origin. 
B) the magma formed at this type of boundary is not conducive to producing granitic type rocks. 
C) oceanic-oceanic convergence often results in the eruption of andesitic lavas. 
D) all of the above 
A) granite forms from granitic magma and most oceanic material is basaltic in origin. 
B) the magma formed at this type of boundary is not conducive to producing granitic type rocks. 
C) oceanic-oceanic convergence often results in the eruption of andesitic lavas. 
D) all of the above

Question 18

The movement of seismic waves through Earth's interior provides evidence of internal layering.The first boundary discovered was between the

Accepted Answer

A) upper and lower mantle. 
B) inner and outer core. 
C) outer core and the mantle. 
D) mantle and the crust. 
A) upper and lower mantle. 
B) inner and outer core. 
C) outer core and the mantle. 
D) mantle and the crust.

Question 19

Subduction occurs as a result of

Accepted Answer

A) slab pull-gravity pulls older and denser lithosphere downward. 
B) horizontal plate accommodation. 
C) upwelling of hot mantle material along the trench. 
D) lubrication from the generation of andesitic magma. 
A) slab pull-gravity pulls older and denser lithosphere downward. 
B) horizontal plate accommodation. 
C) upwelling of hot mantle material along the trench. 
D) lubrication from the generation of andesitic magma.

Question 20

How are tensional and compressional forces related to faulting and folding?

Accepted Answer

Faulting: Tensional forces pull rocks ap

Exam 21: Plate Tectonics and Earths Interior

What kind of plate boundary separates the South American Plate from the African Plate?

Compare the relative speeds of primary and secondary seismic waves,and relate speeds of travel to the medium in which the waves travel.

Compressive stress causes rocks to buckle and fold.In a syncline fold,the rocks at the fold axis (the core)are

Transform-fault boundaries usually form

Most of the state of Nevada is in the Basin and Range Province.The predominant active fault for this region is

Wegener's theory of continental drift

Magma is generated at all of these plate boundaries except

The majority of earthquakes occur where

The Earth's magnetic field is generated in

Earth's magnetic field is not stable; throughout geologic time it has changed direction.This change is attributed to

The lithosphere includes

A tsunami is unlike most other water waves mainly because it

Rocks in the core of an anticline are ________ than rocks away from the core.

Alfred Wegener supported his theory of continental drift by

Which of the following did Alfred Wegener not use to support his theory of continental drift?

We can say that Earth's crust floats on the mantle because

Granite does not readily form near oceanic-oceanic convergent boundaries because

The movement of seismic waves through Earth's interior provides evidence of internal layering.The first boundary discovered was between the

Subduction occurs as a result of

How are tensional and compressional forces related to faulting and folding?

Patterns of Motion and Equilibrium

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Thermal Energy and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light

Atoms and the Periodic Table

The Atomic Nucleus and Radioactivity

Elements of Chemistry

How Atoms Bond and Molecules Attract

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Rocks and Minerals

Shaping Earths Surface

Geologic Time - Reading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

The Structure of Space and Time

Prologue: The Nature of Science

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