Transcript ch11_PRS
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.