To help you master concepts from Chapter 4 (Plate Tectonics), take this sample examination. This may be the greatest story ever told.

1		The southern supercontinent was called: Need a Hint?
			A)	Pangea.
			B)	Gondwanaland.
			C)	Glossopteris.
			D)	Laurentia.
2		The sliding of seafloor beneath a continent or island arc is known as: Need a Hint?
			A)	obliteration.
			B)	subduction.
			C)	obduction.
			D)	obfuscation.
3		The tectonic plates of Earth are part of Earth's: Need a Hint?
			A)	asthenosphere.
			B)	lithosphere.
			C)	mantle.
			D)	crust.
4		The Vine-Matthews hypothesis explains the origin of: Need a Hint?
			A)	mid-ocean ridges.
			B)	continental drift.
			C)	seafloor magnetic anomalies.
			D)	polar wandering.
5		The San Andreas Fault in California is a: Need a Hint?
			A)	convergent plate boundary.
			B)	transform plate boundary.
			C)	divergent plate boundary.
			D)	none of these
6		Which of the following features would you expect to find at an ocean-ocean convergent boundary? Need a Hint?
			A)	ocean trench
			B)	earthquakes
			C)	volcanic island arc
			D)	all of these
7		Which of the following features would you expect to find at an ocean-continent convergent boundary? Need a Hint?
			A)	earthquakes
			B)	deep ocean trench
			C)	volcanic mountain chain
			D)	all of these
8		Which of the following would you expect to find at a continent-continent convergent boundary? Need a Hint?
			A)	deep ocean trench
			B)	volcanic mountain chain
			C)	suture zone
			D)	all of these
9		Passive continental margins are created at: Need a Hint?
			A)	transform plate boundaries.
			B)	divergent plate boundaries.
			C)	convergent plate boundaries.
			D)	all of these
10		The Hawaiian Islands are the result of: Need a Hint?
			A)	seafloor spreading.
			B)	a mantle plume.
			C)	subduction.
			D)	none of these
11		Metallic ores are created at divergent plate boundaries: Need a Hint?
			A)	in lava flows.
			B)	in sedimentary deposits.
			C)	through hydrothermal processes.
			D)	all of these
12		A large supercontinent that existed 225 million years ago was: Need a Hint?
			A)	Pangea.
			B)	Gondwanaland.
			C)	Laurasia.
			D)	Glossopteris
13		Alfred Wegener was a: Need a Hint?
			A)	meteorologist.
			B)	astronomer.
			C)	geophysicist.
			D)	geologist.
14		Which of the following was not used by Wegener as evidence of continental drift? Need a Hint?
			A)	magnetic anomalies on the seafloor
			B)	the geometric fit of the continents
			C)	evidence of glaciation on widely separated continents
			D)	fossils that were common to many continents
15		Continental drift and the reorganization of this hypothesis to Plate Tectonics was made possible by advances in: Need a Hint?
			A)	development of radiometric dating methods.
			B)	understanding of Earth's magnetic field.
			C)	understanding of Earth's fossil record.
			D)	none of these
16		An early hypothesis that eventually led to the Theory of Plate Tectonics was: Need a Hint?
			A)	the Elastic Rebound Theory of G.K. Gilbert in the early 1900's.
			B)	Seafloor Spreading by Harry Hess, 1962.
			C)	"Theory of the Earth" by James Hutton, 1788.
			D)	all of these
17		The age of the seafloor is relatively young because: Need a Hint?
			A)	it is continuously destroyed at subduction zones.
			B)	it is continuously generated at mid-ocean ridges.
			C)	both of the above
			D)	none of the above
18		If a plate moves 20 mm per year, how far will it move in 1 million years? Need a Hint?
			A)	2,000 kilometers
			B)	20 centimeters
			C)	20 kilometers
			D)	20 meters
19		The East African Rift is an example of: Need a Hint?
			A)	a divergent plate boundary.
			B)	an ocean-ocean convergent boundary.
			C)	an ocean-continent convergent boundary.
			D)	a continent-continent convergent boundary.
20		Which of the following provides evidence of plate motion? Need a Hint?
			A)	offset of rocks along the San Andreas fault
			B)	the age distribution of basalt at mid-ocean ridges
			C)	the age distribution of the Hawaiian Islands
			D)	all of these