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Chapter 11
The Dynamic
Planet
Robert W. Christopherson
Tim Schultz
Review: The Pace of Change
Our understanding of modern physical geography is based
on the principle that
A. we cannot assume anything about geologic processes
before recorded history.
B. Earth has not changed significantly in the last few
hundred million years.
C. rates of change in the past were similar to rates
observed today.
D. rates of change observed today are much slower than
what must have occurred in the past.
Copyright © 2009 Pearson Prentice Hall, Pearson Education, Inc.
Review: Earth’s Structure
The bulk of Earth’s volume is in the
A. aesthenosphere.
B. upper and lower mantle.
C. inner and outer core.
D. lithosphere and crust.
Copyright © 2009 Pearson Prentice Hall, Pearson Education, Inc.
Review: Earth’s Lithosphere and Crust
Isostatic adjustment can be explained by
A. visualizing the crust as floating on more dense
materials underneath.
B. remembering that the Earth has a core of solid iron.
C. the fact that Earth’s magnetic field changes
periodically.
D. scientists who explore the crust with deep-ocean
drills.
Copyright © 2009 Pearson Prentice Hall, Pearson Education, Inc.
Review: The Rock Cycle
Which statement is the most correct regarding the rock
cycle?
A. The rock cycle follows a set path, from igneous, to
sedimentary, to metamorphic.
B. Once a rock is formed, it remains that type of rock
for billions of years.
C. The rock cycle begins with igneous rock formation.
D. Rocks can enter the cycle at many different places
and skip between stages.
Copyright © 2009 Pearson Prentice Hall, Pearson Education, Inc.
Review: Plate Tectonics
Which of the following does plate tectonics explain?
A. the formation and breakup of a giant supercontinent
B. continental drift patterns observed today
C. seafloor spreading
D. volcanism, faulting, and earthquakes
E. all of the above
Copyright © 2009 Pearson Prentice Hall, Pearson Education, Inc.
Review: Plate Tectonics
Which statement best explains the formation of the
Hawaiian island chain?
A. The Pacific plate has been moving across a hot spot
in the mantle.
B. Volcanoes rarely erupt in exactly the same place but
do tend to form long lines of eruptions.
C. A hot spot in the mantle has been migrating under
the oceanic crust.
D. The islands are the tops of a mid-ocean ridge.
Copyright © 2009 Pearson Prentice Hall, Pearson Education, Inc.