Earths Interior
Plate Boundaries
Earthquakes
Volcanoes
History in Plate tectonics
100
The lithosphere is considered to be both a solid and a liquid.
A. True B. False
100
Which feature is associated with a continental-continental plate boundary?
a. a subduction zone b. a mountain range c. a deep-sea trench d. a volcano
100
What is the epicenter of an earthquake?
a. the location along a fault where the first motion of an earthquake occurs b. a seismic wave that travels along the surface of Earth c. the point on Earth’s surface directly above the earthquakes focus d. the last place that motion in an earthquake is detected
100
Volcanic activity is normally not present at transform boundaries.
A. True B. False
100
The man who pioneered the sea-floor spreading hypothesis was
a. Herman Hess b. Alfred Wegener c. Issac Newton d. Tuzo Wilson
200
Which of the following layers are, we think, composed of solid nickel and iron?
a. the asthenosphere b. the lithosphere c. the outer core d. the inner core
200
Which of the following features forms when two oceanic plates converge?
a. magnetic reversal patterns b. divergent boundaries c. subduction zones d. transform boundaries
200
if you are in a car during an earthquake, you should
a. drive toward a bridge b. stop the car in a safe place c. get out and run d. park near a tall building
200
Which of the following is NOT a major volcanic area?
a. boundaries of tectonic plates b. mid-ocean ridges c. central continental plains d. subduction zones
200
To support his hypothesis of continental drift, Alfred Wegener did NOT use
a. ancient climatic evidence b. magnetic field data c. data on ancient reptiles and glossopterus d. evidence of rock formations
300
Ocean crust is made mostly of
a. granite b. basalt c. water d. sediments
300
Which of the following best describes what happens when an oceanic plate converges with a continental plate?
a. A deep-sea trench and island arc form b. Both plates become fractured, and a series of long faults form on the surface. c. Both plates crumple and a folded mountain range forms d. A trench and a mountain range with many volcanoes form.
300
What are the fastest body waves?
a. P waves b. T waves c. S waves d. Q waves
300
Volcanic ash, dust, blocks, bombs, a lapilli are all
a. felsic lava b. pyroclastic materials c. mafic lava d. pahoehoe
300
The magnetic patterns on either side of a deep-sea trench are mirror images of each other.
a. true b. false
400
The composition of Earth’s interior affects
a. how long an earthquake will last b. the speed and direction of the seismic wave c. the location of an earthquake’s focus d. the strength of an earthquake
400
What can happen when two oceanic plates converge and one is subducted into the mantle?
a. Melted magma erupts and forms an arc of islands. b. The colliding plate edges become crumpled to form a mountain range. c. The lithosphere splits to create a divergent plate boundary on land. d. A continent splits to form a new ocean basin.
400
How do scientists find the epicenter of an earthquake?
a. by comparing the arrival times of P waves and S waves at several seismograph stations b. by digging at several locations and comparing data c. by comparing departure times of P waves and S waves at several seismograph stations d. by reviewing satellite photos of tsunamis
400
Which of the following is not a major volcano cone type?
a. cinder cone b. composite c. shield d. mantle plume
400
Based on observations of fossils of Glossopteris, Wegener concluded that
a. magnetic reversals occurred in Earth’s past b. continental rocks containing these fossils must have once been joined c. Earth’s continents were never joined d. Glossopteris grew only in the tropics
500
The driving forces of tectonic plates are related to the convection currents in Earth’s
a. crust b. mantle c. inner core d. outer core
500
Which of the following landforms results from divergence of continental crust?
a. a mountain range b. a rift valley c. a deep-sea trench d. a long fault
500
An area where no direct seismic waves from a particular earthquake can be detected is called
a. an inactive fault zone b. the mesosphere c. a shadow zone d. the atmosphere
500
Which of the following s NOT true of quiet eruptions?
A. low viscosity lava B. high gas content C. associated with shield volcanoes D. low silica content
500
Fault zones form at plate boundaries because
a. seismic gaps and shadow zones form there. b. very little rock stress and strain occur there. c. intense stress occurs there when the plates separate, collide, subduct, or slide past each other. d. they have a long geologic history of occurring in the same places.
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