Plate Tectonics Question Preview (ID: 14420)

Please Complete The Review Questions On Plate Tectonics.[print questions]

What is not evidence for plate tectonics?
a) the presence of glaciers
b) the distribution of earthquakes and volcanoes
c) the correlation of mountains, rocks, minerals, and fossils
d) the formation of mountains such as the Andes and the Himalayas

What is the name of the process in which oceanic crust moves apart at mid-ocean ridges due to convection currents in the mantle?
a) subduction
b) compression
c) convergence
d) seafloor spreading

Where are rocks generally the oldest?
a) in the ocean crust
b) in a subduction zone
c) along a mid-ocean ridge
d) on continental land masses/shorelines

When scientists looked at the polarity of bands of rock on either side of the mid-ocean ridges, what did they find?
a) That there was no pattern
b) that the patterns were different
c) that the polarities were at right anles
d) that the patterns of polarity matched up on both sides

What does not happen near a subduction zone?
a) seafloor spreading occurs
b) deep-sea trenches are found
c) oceanic crust moves under continental crust
d) volcanic mountain ranges might be formed nearbby

Alfred Wegener proposed the _________________________ in 1912.
a) theory of plate tectonics
b) theory of plate correlations
c) continental drift hypothesis
d) law of continental configurations

Which term BEST describes what a plate is made of?
a) mantle
b) lithosphere
c) oceanic crust
d) continental crust

What is the driving force behind plate tectonics?
a) heat
b) temperature
c) continental drift
d) heat and convection

The upper, plastic-like part of Earth that the plates ride on is called the _____.
a) crust
b) mantle
c) lithosphere
d) asthenosphere

Which of these is closest to the maximum thickness of a plate?
a) 10 km
b) 50 km
c) 300 km
d) 500 km

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