Question 1

An Earthquake occurs as

Accepted Answer

A) seismic waves travel to Earth's surface. 
B) energy released from Earth's interior travels to Earth's surface. 
C) energy released at Earth's surface travels to Earth's interior. 
D) seismic waves travel to Earth's interior. 
E) energy released from Earth's interior travels in the form of seismic waves to Earth's surface. 
A) seismic waves travel to Earth's surface. 
B) energy released from Earth's interior travels to Earth's surface. 
C) energy released at Earth's surface travels to Earth's interior. 
D) seismic waves travel to Earth's interior. 
E) energy released from Earth's interior travels in the form of seismic waves to Earth's surface.

Question 2

The San Andreas fault is a

Accepted Answer

A) normal fault. 
B) thrust fault. 
C) reverse fault. 
D) transform fault. 
A) normal fault. 
B) thrust fault. 
C) reverse fault. 
D) transform fault.

Question 3

Describe the seafloor spreading theory.

Accepted Answer

The seafloor spreading theory

Question 4

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

Accepted Answer

A divergent boundary. The Mid-

Question 5

How can the location and the strength of an earthquake be determined?

Accepted Answer

The location and strength of an earthqua

Question 6

Transform faults are areas of crustal

Accepted Answer

A) formation. 
B) destruction. 
C) subduction. 
D) accommodation and plate movement. 
A) formation. 
B) destruction. 
C) subduction. 
D) accommodation and plate movement.

Question 7

The Mohorovicic discontinuity occurs because of a

Accepted Answer

A) change in temperature with depth. 
B) shift in the density of minerals with the same composition. 
C) change in the composition of rocks on both sides of the boundary. 
D) density change in rocks of the same composition on both sides of the boundary. 
A) change in temperature with depth. 
B) shift in the density of minerals with the same composition. 
C) change in the composition of rocks on both sides of the boundary. 
D) density change in rocks of the same composition on both sides of the boundary.

Question 8

The Mohorovicic discontinuity marks the change in rock density elasticity between the

Accepted Answer

A) inner and outer core. 
B) core and the mantle. 
C) mantle and the crustal surface. 
D) asthenosphere and lithosphere. 
A) inner and outer core. 
B) core and the mantle. 
C) mantle and the crustal surface. 
D) asthenosphere and lithosphere.

Question 9

When stress exceeds a rock's elastic limit, the rock

Accepted Answer

A) permanently loses its original form. 
B) can either break or flow. 
C) becomes plastic. 
D) can lose its original form and either break or flow. 
A) permanently loses its original form. 
B) can either break or flow. 
C) becomes plastic. 
D) can lose its original form and either break or flow.

Question 10

Magnetic surveys of the ocean floors reveal

Accepted Answer

A) alternating stripes of normal and reversed polarity paralleling the mid-Atlantic ridge. 
B) thin oceanic crust composed of basaltic rocks. 
C) that reversed polarity is rare. 
D) all of the above. 
A) alternating stripes of normal and reversed polarity paralleling the mid-Atlantic ridge. 
B) thin oceanic crust composed of basaltic rocks. 
C) that reversed polarity is rare. 
D) all of the above.

Question 11

The outer core is liquid because

Accepted Answer

A) it is magnetically charged, and, like a magnet, energy flows from one region to another. 
B) the inner core is solid. 
C) there is less weight, and thus less pressure on it. 
D) it is composed of molten iron. 
A) it is magnetically charged, and, like a magnet, energy flows from one region to another. 
B) the inner core is solid. 
C) there is less weight, and thus less pressure on it. 
D) it is composed of molten iron.

Question 12

An anticline is a fold in which the limbs bend

Accepted Answer

A) downward. 
B) upward. 
A) downward. 
B) upward.

Question 13

Compressive forces cause the crust to

Accepted Answer

A) buckle and fold, thereby shortening the crustal surface. 
B) buckle and fold, thereby lengthening the crustal surface. 
C) stretch and pull, thereby shortening the crustal surface. 
D) break and fracture, thereby lengthening the crustal surface. 
A) buckle and fold, thereby shortening the crustal surface. 
B) buckle and fold, thereby lengthening the crustal surface. 
C) stretch and pull, thereby shortening the crustal surface. 
D) break and fracture, thereby lengthening the crustal surface.

Question 14

In comparison to S-waves, P-waves

Accepted Answer

A) vibrate the particles of their medium up and down and side-to-side. 
B) can travel through solid granite, magma, water and/or air. 
C) can travel only through solids, not through fluids. 
D) are the second seismic wave to register on a seismograph. 
A) vibrate the particles of their medium up and down and side-to-side. 
B) can travel through solid granite, magma, water and/or air. 
C) can travel only through solids, not through fluids. 
D) are the second seismic wave to register on a seismograph.

Question 15

What evidence did Wegener use to support his hypothesis of continental drift?

Accepted Answer

A) sea-floor spreading 
B) paleoclimatic data 
C) polar reversals 
D) transform fault boundaries 
A) sea-floor spreading 
B) paleoclimatic data 
C) polar reversals 
D) transform fault boundaries

Exam 21: Plate Tectonics and Earths Interior

An Earthquake occurs as

The San Andreas fault is a

Describe the seafloor spreading theory.

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

How can the location and the strength of an earthquake be determined?

Transform faults are areas of crustal

The Mohorovicic discontinuity occurs because of a

The Mohorovicic discontinuity marks the change in rock density elasticity between the

When stress exceeds a rock's elastic limit, the rock

Magnetic surveys of the ocean floors reveal

The outer core is liquid because

An anticline is a fold in which the limbs bend

Compressive forces cause the crust to

In comparison to S-waves, P-waves

What evidence did Wegener use to support his hypothesis of continental drift?

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 Timereading 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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