Chapter 7 Test ReviewChapter 7 Test ReviewPlate Tectonics

Inside the Earth Restless Continents

The Theory of Plate Tectonics

Deforming the Earth’s Crust

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The strong, lower part of the mantle that lies beneath the asthenosphere is called

The strong, lower part of the mantle that lies beneath the asthenosphere is called• A. outer core• B. lithosphere• C. inner core• D. mesosphere

The word mesosphere means The word mesosphere means

• A. inner sphere• B. rock sphere• C. middle sphere• D. weak sphere

3. How many major tectonic plates are there?3. How many major tectonic plates are there?

• A. fourteen• B. ten• C. seven• D. five

• A. the center of a continent• B. a mountain range• C. a coastal plain• D. the middle of the ocean

4. The thickest part of a tectonic plate lies below4. The thickest part of a tectonic plate lies below

5. The speed of seismic waves depends on the ____ of the layer through which they travel

5. The speed of seismic waves depends on the ____ of the layer through which they travel• A. position• B. thickness• C. density• D. shape

• A. mantle• B. crust• C. outer core• D. inner core

6. The part of the Earth that is a liquid is the6. The part of the Earth that is a liquid is the

7. Which of the major tectonic plates is the smallest?

7. Which of the major tectonic plates is the smallest?• A. Antarctic plate• B. Pacific plate• C. Cocos plate• D. Australian plate

8.The outer most, rigid layer of the Earth is called the

8.The outer most, rigid layer of the Earth is called the • A. outer core• B. asthenosphere• C. lithosphere• D. mesosphere

9. Continental crust has an average thickness of9. Continental crust has an average thickness of

• A. 5 to 8 km• B. 30km• C. 5 to 100 km• D. None of the above

10. The solid, dense center of our planet is called the 10. The solid, dense center of our planet is called the

• A. mesosphere• B. outer core• C. inner core• D. asthenosphere

11. In which layer of the Earth are convection currents believed to occur?

11. In which layer of the Earth are convection currents believed to occur?• A. the lithosphere• B. mesosphere• C. the asthenosphere• D. outer core

12. The part of the Earth on which the tectonic plates are able to move is the

12. The part of the Earth on which the tectonic plates are able to move is the• A. mesosphere• B. lithosphere• C. asthenosphere• D. subduction zone

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13. Sea-floor spreading occurs at which type of plate boundary?

13. Sea-floor spreading occurs at which type of plate boundary?• A. a transform boundary• B. a convergent boundary• C. a divergent boundary• D. all of the above

14. Which of the following was NOT used as evidence to support the theory of continental drift?

14. Which of the following was NOT used as evidence to support the theory of continental drift?• A. the existence of convection curren

ts• B. the matching of glacial grooves on

different continents• C. the similarity of fossils found on co

ntinental coasts• D. the close fit if continental coastlin

es

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15. When two tectonic plates move away from one another, the boundary between them is called a

15. When two tectonic plates move away from one another, the boundary between them is called a• A. convergent boundary• B. transform boundary• C. divergent boundary• D. subduction zone

16. Which of the following appears to cause movement of Earth’s tectonic plates?

16. Which of the following appears to cause movement of Earth’s tectonic plates?• A. faults in mountain ranges• B. energy from volcanic activity• C. magnetic-pole reversals• D. convection currents below the lith

osphere

17. Mid-ocean ridges are associated with17. Mid-ocean ridges are associated with

• A. normal boundaries• B. divergent boundaries• C. convergent boundaries• D. transform boundaries

18. _____ is the process by which hot material from deep within the Earth rises while cooler material near the surface sinks

18. _____ is the process by which hot material from deep within the Earth rises while cooler material near the surface sinks• A. ridge push• B. slab pull• C. convection• D. sea-floor spreading

19. When horizontal stress acts on a rock, ____ form.19. When horizontal stress acts on a rock, ____ form.

• A. synclines• B. anticlines• C. monoclines• D. both (a) and (b)

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20. In the diagram above, which of the following has formed at B ?

20. In the diagram above, which of the following has formed at B ?• A. a fault-block mountain• B. a folded mountain• C. a volcanic mountain• D. none of the above

Diagram above

21. In the diagram above, which type of boundary is occurring at A ?

21. In the diagram above, which type of boundary is occurring at A ?• A. a convergent boundary• B. a strike-slip boundary• C. a transform boundary• D. a divergent boundary

Diagram above

20. In the diagram above, which of the following has formed at B ?

20. In the diagram above, which of the following has formed at B ?• A. a fault-block mountain• B. a folded mountain• C. a volcanic mountain• D. none of the above

Diagram above

21. In the diagram above, which type of boundary is occurring at A ?

21. In the diagram above, which type of boundary is occurring at A ?

• A. a convergent boundary• B. a strike-slip boundary• C. a transform boundary• D. a divergent boundary

Diagram above

22. What type of mountains led early explorers to call the rim of the Pacific Ocean the Ring of Fire?

22. What type of mountains led early explorers to call the rim of the Pacific Ocean the Ring of Fire?• A. volcanic• B. fault-block• C. folded• D. normal

23. Continental mountain ranges are usually associated with

23. Continental mountain ranges are usually associated with• A. transform boundaries• B. divergent boundaries• C. convergent boundaries• D. normal boundaries

24. The type of mountain involving huge sections of the Earth’s crust being pushed up into anticlines and synclines

24. The type of mountain involving huge sections of the Earth’s crust being pushed up into anticlines and synclines• A. volcanic mountain• B. folded mountain• C. strike-slip mountain• D. fault-block mountain

25. Magma that reaches the Earth’s surface may form ___ mountains.

25. Magma that reaches the Earth’s surface may form ___ mountains.• A. subducted• B. fault-block• C. all• D. volcanic

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