Chapter Questions
What is meant by equilibrium? What happens when rocks are forced out of equilibrium?
What tectomic plate are you presently on? Where is the nearest plate boundary, and what kind of boundary is it?
What is the most likely geologic hazard in your part of your country?
What are the three major types of rocks?
What are the relationships among the mantle, the crust, the asthenosphere, and the lithosphere?
What would the surface of Earth be like if there were no tectonic activity?
Explain why cavemen never saw a dinosaur.
Plate tectonics is a result of Earth's internal heat engine, powered by (choose all that apply)a. the Sunb. gravityc. heat flowing from Earth's interior outward
A typical rate of plate motion isa. 3-4 meters per yearb. 1 kilometer per yearc. 1-10 centimeters per yeard. 1,000 kilometers per year
Volcanic island arcs are associated witha. transform boundariesb. divergent boundariesc. occan-continent convergenced. occan-ocean convergence
The division of geology concemed with Earth materials, changes in the surface and interior of the Earth, and the dynamic forces that cause those changes isa. physical geologyb. historical geologyc. geophysicsd. palcontology
Which is a geologic hazard?a. earthquakeb. volcanoc. mudflowsd. floodsc. wave erosion at coastlinesf. landslidesg. all of the preceding
The largest zone of Earth's interior by volume is thea. crustb. mantlec. outer cored. inner core
Oceanic and continental crust differ ina. compositionb. densityc. thicknessd. all of the preceding
The forces generated inside Earth that cause deformation of rock as well as vertical and horizontal movement of portions of Earth's crust are calleda. crosional forcesb. gravitational forcesc. tectonic forcesd. all of the preceding
Plate tectonics is aa. conjectureb. opinionc. hypothesisd. theory
Which is a type of a plate boundary?a. divergentb. transformc. convergentd. all of the preceding
The lithosphere isa. the same as the crustb. the layer bencath the crustc. the crust and uppermost mantled. only part of the mantle
Erosion is a result of Earth's external heat engine, powered by (choose all that apply)a. the Sunb. gravityc. heat flowing from Earth's interior outward