1. The Name Alfred Wegener gave to his proposed supercontinent was _________________.
2. Due to ___________ ______________, the youngest rocks in the ocean floor are found near a mid-ocean ridge.
3. Along a ____________ boundary, two plates slide in opposite directions.
4. The process by which one plate moves under another plate is called _________________.
5. The driving force for plate movement is most likely provided by ______________________ within the mantle.
6. New crust is created along a ___________________ boundary.
7. A mid-ocean ridge is an example of a ___________________ __________________.
8. The landmasses produced by the initial breakup of Pangaea were ___________________ and _______________________.
9.
Which one is not used as evidence that the continents have moved over time?
fossils; rock formations; wind-blown sediments;
glacial deposits
____________________
10. Continental plates include both ______________________ and oceanic crust.
11. Continental plates are (denser / less dense) than oceanic plates.
12. The rock material of a subducting plate melts and becomes part of the _______________.
13. Ocean trenches are closely associated with _________________________ zones.
14. Convergence of two plates may result in the formations of high _____________________.
15. The San Andreas Fault is an example of a ___________________ boundary.
16.
Fossils of tropical plants found in Antarctica indicate that Antarctica
was once
close
to the __________________.
17. The theory of _____________________ was proposed by Alfred Wegener.
18. South America and __________________ were once connected.
19. The first suggestion of moving landmasses was the theory of ____________________.
20. The currently accepted theory of of movement of the earth's crust is ______________ tectonics.
21. Tectonic plates are part of the ___________________.
22. Most of the earth's major plates are ________________________ plates.
23. The movement of one plate under another is called ______________________.
24. At ____________________ boundaries, plates move toward each other.
25. The Himalayan Mountains formed at a ____________________ boundary.
26. Convection cells in the _____________ provide the driving force for plate movement.
27.
_________________ energy is another name for the earth's internal heat.
Chapter Five Study Guide (Answers)
1. The Name Alfred Wegener gave to his proposed supercontinent was __Pangaea___.
2. Due to __sea-floor__ __spreading___, the youngest rocks in the ocean floor are found near a mid-ocean ridge.
3. Along a __transform__ boundary, two plates slide in opposite directions.
4. The process by which one plate moves under another plate is called __subduction___.
5.
The driving force for plate movement is most likely provided by __convection__
within the mantle.
6. New crust is created along a ___divergent___ boundary.
7. A mid-ocean ridge is an example of a __divergent__ ___boundary___.
8.
The landmasses produced by the initial breakup of Pangaea were __Laurasia_____
and __Gondwanaland____.
9.
Which one is not used as evidence that the continents have moved over time?
fossils; rock formations; wind-blown sediments; glacial
deposits ___wind-blown sediments
10. Continental plates include both ___continental___ and oceanic crust.
11. Continental plates are (denser / less dense) than oceanic plates.
12. The rock material of a subducting plate melts and becomes part of the ___mantle__.
13. Ocean trenches are closely associated with ____subduction____ zones.
14. Convergence of two plates may result in the formations of high ____mountains____.
15. The San Andreas Fault is an example of a ___transform_____ boundary.
16. Fossils of tropical plants found in Antarctica indicate that Antarctica was once close to the ___equator____.
17. The theory of __continental drift___ was proposed by Alfred Wegener.
18. South America and ___Africa___ were once connected.
19. The first suggestion of moving landmasses was the theory of ____continental drift____.
20.
The currently accepted theory of of movement of the earth's crust is ___plate___
tectonics.
21. Tectonic plates are part of the ____lithosphere_____.
22. Most of the earth's major plates are ___continental plates___ plates.
23. The movement of one plate under another is called _____subduction_____.
24. At ____convergent_____ boundaries, plates move toward each other.
25. The Himalayan Mountains formed at a ___convergent___ boundary.
26. Convection cells in the ___mantle___ provide the driving force for plate movement.
27. ___Geothermal___ energy is another name for the earth's internal heat.