Question 1

Most of Earth's seismic activity, volcanism, and mountain building occur along

Accepted Answer

A) convergent boundaries. 
B) divergent boundaries. 
C) plate boundaries. 
D) transform fault boundaries. 
A) convergent boundaries. 
B) divergent boundaries. 
C) plate boundaries. 
D) transform fault boundaries.

Question 2

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 3

Paleomagnetism from a rock gives information on the

Accepted Answer

A) direction from the rock to the North Pole. 
B) present-day magnetic field. 
C) amount of iron in the rock. 
D) magnetic field at the time the rock was formed. 
A) direction from the rock to the North Pole. 
B) present-day magnetic field. 
C) amount of iron in the rock. 
D) magnetic field at the time the rock was formed.

Question 4

Seismic waves are classified as body waves and surface waves. An example of a body wave is a

Accepted Answer

A) Primary wave (P-wave). 
B) Love wave. 
C) Rayleigh wave. 
D) Tertiary wave (T-wave). 
A) Primary wave (P-wave). 
B) Love wave. 
C) Rayleigh wave. 
D) Tertiary wave (T-wave).

Question 5

The outer core is thought to be molten because it

Accepted Answer

A) is denser than the inner core. 
B) will not transmit P-waves. 
C) is made of iron and nickel. 
D) will not transmit S-waves. 
A) is denser than the inner core. 
B) will not transmit P-waves. 
C) is made of iron and nickel. 
D) will not transmit S-waves.

Question 6

Distinguish between anticlines and synclines.

Accepted Answer

Anticlines are upward arched structures;

Question 7

Another term for a spreading center is

Accepted Answer

A) convergent boundary. 
B) divergent boundary. 
C) transform fault boundary. 
D) none of the above. 
A) convergent boundary. 
B) divergent boundary. 
C) transform fault boundary. 
D) none of the above.

Question 8

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 9

Earthquake P-waves

Accepted Answer

A) travel in straight lines through Earth's core. 
B) cannot propagate through Earth's core. 
C) are transverse vibrations similar to sound waves. 
D) are longitudinal vibrations similar to sound waves. 
A) travel in straight lines through Earth's core. 
B) cannot propagate through Earth's core. 
C) are transverse vibrations similar to sound waves. 
D) are longitudinal vibrations similar to sound waves.

Question 10

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 11

In a folded sequence of rocks we find younger rocks at the axis of the fold and older rocks away from the fold axis. The fold is

Accepted Answer

A) called a syncline. 
B) called an anticline. 
C) plunging. 
D) tilted. 
A) called a syncline. 
B) called an anticline. 
C) plunging. 
D) tilted.

Question 12

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

Accepted Answer

Faulting: Tensional forces pull rocks ap

Question 13

The theory of seafloor spreading is supported by

Accepted Answer

A) geological, biological, and climatological data. 
B) paleomagnetic analysis of the ocean's floor. 
C) the change in Earth's polarity. 
D) none of these 
A) geological, biological, and climatological data. 
B) paleomagnetic analysis of the ocean's floor. 
C) the change in Earth's polarity. 
D) none of these

Question 14

The San Andreas fault in California is a

Accepted Answer

A) thrust fault. 
B) strike slip fault. 
C) normal fault. 
D) reverse fault. 
A) thrust fault. 
B) strike slip fault. 
C) normal fault. 
D) reverse fault.

Question 15

The asthenosphere is part of the

Accepted Answer

A) crust. 
B) lithosphere. 
C) mantle. 
D) outer core. 
A) crust. 
B) lithosphere. 
C) mantle. 
D) outer core.

Question 16

How did plant and animal fossils influence the theory of continental drift?

Accepted Answer

Similar plant and animal fossils found i

Question 17

Volcanoes do not form at which type of convergent plate boundary?

Accepted Answer

A) Oceanic-oceanic boundaries. 
B) Oceanic-convergent boundaries. 
C) Continental-continental convergent boundaries. 
A) Oceanic-oceanic boundaries. 
B) Oceanic-convergent boundaries. 
C) Continental-continental convergent boundaries.

Question 18

The process in which one plate bends and descends beneath another plate is called

Accepted Answer

A) subduction. 
B) seduction. 
C) segregation. 
D) sinking. 
A) subduction. 
B) seduction. 
C) segregation. 
D) sinking.

Question 19

A seismograph

Accepted Answer

A) predicts earthquakes. 
B) measures ground movement. 
C) helps prevent earthquakes. 
D) measures fault displacement. 
A) predicts earthquakes. 
B) measures ground movement. 
C) helps prevent earthquakes. 
D) measures fault displacement.

Question 20

If seafloor spreading creates new lithosphere, does the size of Earth change?

Accepted Answer

A) Yes, Earth is getting larger. 
B) No, the extra crust is crumpled up to form mountains. 
C) No, older crust is recycled back into the asthenosphere. 
D) Yes, the Earth is shrinking because it is cooling. 
A) Yes, Earth is getting larger. 
B) No, the extra crust is crumpled up to form mountains. 
C) No, older crust is recycled back into the asthenosphere. 
D) Yes, the Earth is shrinking because it is cooling.

Exam 21: Plate Tectonics and Earths Interior

Most of Earth's seismic activity, volcanism, and mountain building occur along

The Earth's magnetic field is generated in

Paleomagnetism from a rock gives information on the

Seismic waves are classified as body waves and surface waves. An example of a body wave is a

The outer core is thought to be molten because it

Distinguish between anticlines and synclines.

Another term for a spreading center is

Subduction occurs as a result of

Earthquake P-waves

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

In a folded sequence of rocks we find younger rocks at the axis of the fold and older rocks away from the fold axis. The fold is

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

The theory of seafloor spreading is supported by

The San Andreas fault in California is a

The asthenosphere is part of the

How did plant and animal fossils influence the theory of continental drift?

Volcanoes do not form at which type of convergent plate boundary?

The process in which one plate bends and descends beneath another plate is called

A seismograph

If seafloor spreading creates new lithosphere, does the size of Earth change?

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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