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Transcript 
Plate Tectonics Part 2
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 1. If an earthquake occurs under the ocean it can cause a ____.
a. Subduction zone
b. volcano
c. tsunami
d. hurricane
____ 2. At an oceanic-oceanic convergent boundary, ____.
a. new crust is created
c. old crust is deformed or fractured
b. old crust is recycled by subduction
d. plates side past one another
____ 3. Convection currents transfer thermal energy ____.
a. between continents
b. from cooler regions to warmer regions
c. from warmer regions to cooler regions
d. as a result of buoyancy
____ 4. The downward part of a convection current causes a sinking force that ____.
a. pulls tectonic plates toward one another
b. moves plates apart from one another
c. lifts and splits the lithosphere
d. creates a divergent boundary
____ 5. Some oceanic trenches can be as deep as 6 miles beneath the surface of the ocean.
a. TRUE
b. FALSE
____ 6. The magnetic pattern of ocean-floor rocks on one side of an ocean ridge is ____.
a. a mirror image of that of the other side
b. younger than on the other side
c. much different from the magnetic pattern found in rocks on land
d. at right angles to the ocean ridge
____ 7. Isochron maps of the seafloor indicate that ocean crust is ____.
a. oldest near ocean ridges
c. youngest near ocean ridges
b. youngest at deep-sea trenches
d. thinnest in subduction zones
____ 8. What are the three main features present at a RIFT ZONE?
a. mid-ocean ridges, rift valleys, fissure
c. rift valleys, trenches, fissure ridges
volcanoes
b. trenches, island arcs, mid-ocean ridges
____ 9. Features found at divergent boundaries include ____.
a. ocean ridges
c. crumpled mountains
b. deep-sea trenches
d. island arc volcanoes
____ 10. Continental-continental plate collisions produce ____.
a. island arcs
c. deep-sea trenches
b. rift valleys
d. very tall mountain ranges
____ 11. Crust is neither destroyed nor formed along which of the following boundaries?
a. convergent
c. transform
b. divergent
d. magnetic
____ 12. The driving forces of tectonic plates are related to convection currents in Earth’s ____.
a. crust
c. inner core
b. mantle
d. outer core
____ 13. A vast, underwater mountain chain is called a(n) _________.
a. deep-sea trench
c. ocean ridge
b. oceanic crust
d. ocean floor sediment
____ 14. A narrow, elongated depression in the seafloor is called a(n) _________.
a. deep-sea trench
c. ocean ridge
b. oceanic crust
d. ocean floor sediment
____ 15. _____________ is defined as the study of the history of earth’s magnetic field.
a. paleogeology
c. paleomagnetism
b. ocean topography
d. magnetic symmetry
Matching
Match each item with the correct statement below.
a. magnetometer
e.
b. convection currents
f.
c. rift valley
g.
d. plate tectonics
h.
____
____
____
____
____
____
____
____
16.
17.
18.
19.
20.
21.
22.
23.
Gondwanaland
transform
deep-sea trench
ridge push
A landmass thought to have been comprised of present-day southern continents
A device that measures changes in Earth’s magnetic field
A narrow, elongated depression in the seafloor
A narrow, long depression in continental crust
Type of boundary characterized by long faults and shallow earthquakes
Theory that states that Earth’s crust and upper mantle are broken into enormous slabs
The mechanisms thought to be associated with plate movements
The process that helps to move an oceanic plate toward a subduction zone
Match each process of seafloor spreading with its description below.
____ 24. Hot magma fills the gap that forms at the ridge.
____ 25. The magma hardens, to form a small amount of ocean floor.
____ 26. Hot magma is forced toward crust along an ocean ridge.
Match each letter that appears on the diagram with the appropriate feature below.
____
____
____
____
27.
28.
29.
30.
Subduction zone
Rift valley
Volcanoes
Highly-folded mountains
Plate Tectonics Part 2
Answer Section
MULTIPLE CHOICE
1. ANS:
NAT:
2. ANS:
NAT:
3. ANS:
NAT:
4. ANS:
NAT:
5. ANS:
NAT:
6. ANS:
NAT:
7. ANS:
NAT:
8. ANS:
NAT:
9. ANS:
NAT:
10. ANS:
NAT:
11. ANS:
NAT:
12. ANS:
NAT:
13. ANS:
NAT:
14. ANS:
NAT:
15. ANS:
NAT:
C
PTS:
UCP2 | D1 | D3
B
PTS:
UCP1 | D3
STA:
C
PTS:
UCP2 | A1 | B5
A
PTS:
UCP2 | A1 | B5 | D1
A
PTS:
UCP2 | D1 | D3
A
PTS:
UCP2 | D1 | D3
C
PTS:
UCP2 | D1 | D3
A
PTS:
UCP2 | D1 | D3
A
PTS:
UCP1 | D3
STA:
D
PTS:
UCP3 | D1 | D3
C
PTS:
UCP1 | D3
STA:
B
PTS:
UCP2 | A1 | B5
C
PTS:
B.2
STA:
A
PTS:
B.2
STA:
C
PTS:
G.2
STA:
1
E
PTS:
UCP2 | D3
STA:
A
PTS:
UCP2 | A1 | E1
G
PTS:
UCP2 | A1 | E1
C
PTS:
UCP1 | D3
STA:
F
PTS:
UCP1 | D3
STA:
D
PTS:
UCP2 | A1 | D1 | D3
B
PTS:
UCP2 | A1 | B5 | D1
H
PTS:
UCP3 | D1 | D3
1
S11.D.1.1.2
1
1
S11.D.1.1.2
1
1
1
1
1
1
1
S11.D.1.1.2
1
1
S11.D.1.1.2
1
1
S11.D.1.1.2
1
S11.D.1.1.2
1
S11.D.1.1
DIF: Bloom's Level 2
STA: S11.D.1.1.2
DIF: Bloom's Level 2
DIF:
STA:
DIF:
STA:
DIF:
STA:
DIF:
STA:
DIF:
STA:
DIF:
STA:
DIF:
Bloom's Level 2
S11.D.1.1.2
Bloom's Level 3
S11.D.1.1.2
Bloom's Level 1
S11.D.1.1.2
Bloom's Level 2
S11.D.1.1.3
Bloom's Level 2
S11.D.1.1.3
Bloom's Level 2
S11.D.1.1.2
Bloom's Level 1
DIF: Bloom's Level 2
STA: S11.D.1.1.2
DIF: Bloom's Level 2
DIF: Bloom's Level 2
STA: S11.D.1.1.2
DIF: Bloom's Level 3
DIF: Bloom's Level 3
DIF: Bloom's Level 2
MATCHING
16. ANS:
NAT:
17. ANS:
NAT:
18. ANS:
NAT:
19. ANS:
NAT:
20. ANS:
NAT:
21. ANS:
NAT:
22. ANS:
NAT:
23. ANS:
NAT:
24. ANS: B
1
1
S11.D.1.1.2
1
S11.D.1.1.2
1
1
1
PTS: 1
DIF: Bloom's Level 2
DIF:
STA:
DIF:
STA:
DIF:
Bloom's Level 2
S11.A.2.2
Bloom's Level 2
S11.D.1.1.2
Bloom's Level 2
DIF: Bloom's Level 2
DIF:
STA:
DIF:
STA:
DIF:
STA:
Bloom's Level 2
S11.D.1.1.2
Bloom's Level 2
S11.D.1.1.2
Bloom's Level 2
S11.D.1.1.2
DIF: Bloom's Level 2
NAT:
25. ANS:
NAT:
26. ANS:
NAT:
UCP2 | D1 | D3
C
PTS: 1
UCP2 | D1 | D3
A
PTS: 1
UCP2 | D1 | D3
STA:
DIF:
STA:
DIF:
STA:
27. ANS:
NAT:
28. ANS:
NAT:
29. ANS:
NAT:
30. ANS:
NAT:
D
UCP1 | D3
A
UCP1 | D3
C
UCP1 | D3
B
UCP1 | D3
DIF: Bloom's Level 2
PTS:
STA:
PTS:
STA:
PTS:
STA:
PTS:
STA:
1
S11.D.1.1.3
1
S11.D.1.1.3
1
S11.D.1.1.3
1
S11.D.1
S11.D.1.1.2
Bloom's Level 2
S11.D.1.1.2
Bloom's Level 2
S11.D.1.1.2
DIF: Bloom's Level 2
DIF: Bloom's Level 2
DIF: Bloom's Level 2
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