Plate Tectonics Quiz

Q1. A deep oceanic trench is found

A. at mid-ocean ridges
B. at subduction zones
C. at transform boundaries
D. all of the above

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Q2. Which best defines the lithosphere?

A. the rigid, rocky, outermost layer of earth
B. a rocky layer within the mantle
C. a rocky layer in the mantle capable of flowing
D. the outer, liquid portion of the earth's core

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Q3. Volcanic activity is associated with

A. all convergent boundaries
B. all transform boundaries
C. divergent boundaries
D. all types of plate boundaries

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Q4. Which of the following is at a convergent boundary where 2 plates carrying continental lithosphere are colliding?

A. the Appalachain mountains
B. the Himalaya mountains
C. the Andes mountains
D. the Rocky mountains

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Q5. Going from earth's surface to the interior, what trends are found?

A. density and temperature increase
B. density and temperature decrease
C. density increases and temperature decreases
D. temperature increases and density decreases

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Q6. The islands of Japan lie at a

A. convergent boundary where oceanic lithosphere is being subducted
B. convergent boundary where there is no subduction
C. divergent boundary
D. transform boundary

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Q7. The most distinctive property of the asthenosphere is

A. its high density
B. its high temperature
C. that it is in the liquid state
D. its ability to flow rather easily

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Q8. The earth's core is made primarily of

A. iron-magnesium silicate minerals
B. sulfur and nickel
C. iron
D. carbon

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Q9. A divergent boundary could be recognized by

A. a high mountain belt
B. a volcanic island arc
C. a rift valley
D. all of the above

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Q10. The earth's mantle is made primarily of

A. iron-magnesium silicate minerals
B. feldspar and quartz
C. iron
D. carbon

Check your answer

Answers to Quiz on Plate Tectonics

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A1. A deep oceanic trench is found

A. at mid-ocean ridges
B. at subduction zones
C. at transform boundaries
D. all of the above

The best answer here is B. Deep oceanic trenches are the surface expression of subduction.

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A2. Which best defines the lithosphere?

A. the rigid, rocky, outermost layer of earth
B. a rocky layer within the mantle
C. a rocky layer in the mantle capable of flowing
D. the outer, liquid portion of the earth's core

The best answer is A.

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A3. Volcanic activity is associated with

A. all convergent boundaries
B. all transform boundaries
C. divergent boundaries
D. all types of plate boundaries

The best answer is C. Volcanic activity occurs at some types of convergent boundary (where oceanic lithosphere is subducted), but not all types.

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A4. Which of the following is at a convergent boundary where 2 plates carrying continental lithosphere are colliding?

A. the Appalachain mountains
B. the Himalaya mountains
C. the Andes mountains
D. the Rocky mountains

The best answer is B. The Appalachain and Rocky mountains were formed at ancient convergent plate boundaries, but neither lies at a plate boundary today. The Andes lie at a convergent boundary where oceanic lithosphere is being subducted under the South American continent.

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A5. Going from earth's surface to the interior, what trends are found?

A. density and temperature increase
B. density and temperature decrease
C. density increases and temperature decreases
D. temperature increases and density decreases

The best answer is A

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A6. The islands of Japan lie at a

A. convergent boundary where oceanic lithosphere is being subducted
B. convergent boundary where there is no subduction
C. divergent boundary
D. transform boundary

The best answer is A

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A7. The most distinctive property of the asthenosphere is

A. its high density
B. its high temperature
C. that it is in the liquid state
D. its ability to flow rather easily

The best answer is D

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A8. The earth's core is made primarily of

A. iron-magnesium silicate minerals
B. sulfur and nickel
C. iron
D. carbon

The best answer is C

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A9. A divergent boundary could be recognized by

A. a high mountain belt
B. a volcanic island arc
C. a rift valley
D. all of the above

The best answer is C

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A10. The earth's mantle is made primarily of

A. iron-magnesium silicate minerals
B. feldspar and quartz
C. iron
D. carbon

The best answer is A

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