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GCS Earth Science Unit B Test - Plate Tectonics
1. What plate movement mechanism is
represented by the diagram below:
A.
B.
C.
D.
Convection
Ridge Push
Slab Pull
Subduction
2. How does the theory of plate tectonics explain
the motion of continents?
5. Which of the following landforms is likely to occur
at the below plate boundary?
A.
B.
C.
D.
A mid-ocean ridge
A strike-slip fault
A shield volcano
A deep sea trench
6. In the diagram below which statement is true
about the material enclosed inside the black box?
A. It states that continents are on several plates
floating on top of the ocean
B. It states that the continents are being pulled
apart by the powerful force of ocean currents
C. It states that the Earth’s crust is breaking up
into hundreds of pieces due to gravitational
forces
D. It states that the Earth’s crust is broken up
into plates and they move because of
convection currents in the mantle
3. Which of the following plate boundaries is
associated with volcanic island arcs?
A.
B.
C.
D.
Divergent
Oceanic-Oceanic Convergent
Oceanic-Continental Convergent
Transform
4. Which of the following can form as the result of a
divergent plate boundary?
A.
B.
C.
D.
A continental volcanic arc due to collision
A continental mountain due to collision
A mid-ocean ridge due to separation
An ocean trench due to separation
A. The material is lava because it is above the
surface
B. The material is magma because it is below
the surface
C. The material is lava because it is below the
surface
D. The material is magma because it is above
the surface
GCS Earth Science Unit B Test - Plate Tectonics
7. Which of the following statements can be
concluded from the below map (the red dots
represent volcanoes and earthquakes) :
11. Which type of earthquake will be the most
destructive?
A. One with a magnitude of 4.5 and a deep
focus
B. One with a magnitude of 4.5 and a shallow
focus
C. One with a magnitude of 3.5 and a deep
focus
D. One with a magnitude of 3.5 and a shallow
focus
A. There is a convergent plate boundary around
the Pacific Ocean
B. South America was once completely
underwater
C. The Indian Ocean is the most tectonically
active place on Earth
D. North America and Europe are moving
towards each other
8. What is the term given to a mudflow triggered by
a volcanic eruption?
A.
B.
C.
D.
Pyroclastic Cloud
Lahar
Creep
Slump
9. The location under the crust where an
earthquake originates is called the:
A.
B.
C.
D.
Focus
Epicenter
Fall Zone
Magma Chamber
10. With increasing distance from an earthquake the
P-S wave lag time:
A.
B.
C.
D.
Increases
Decreases
Stays the same
Increases then decreases
12. The following diagram represents the anatomy of
an earthquake. Which point represents the
epicenter?
A.
B.
C.
D.
Point A
Point B
Point C
Point D
13. Which of the following is most likely to occur
along the Ring of Fire?
A.
B.
C.
D.
Flooding and Groundwater Pollution
Earthquakes and Volcanoes
Sinkholes and Landslides
Salt Water Intrusion and Acid Rain
14. How have Earth forces altered the Appalachian
Mountains since their formation?
A.
B.
C.
D.
They have been eroded by wind and water
They have expanded in size
They have become volcanically active
That have moved closer to the coast
15. Which hazard is generally not associated with a
volcanic eruption?
A.
B.
C.
D.
Ash
Lahar
Sinkhole
Lava flow
GCS Earth Science Unit B Test - Plate Tectonics
16. The map represents the distribution of
earthquakes along the state of North Carolina:
19. Which of the following is LEAST LIKELY to
contribute to the formation of a barrier island?
A.
B.
C.
D.
From the map above it can be concluded that there
is a fault in:
A rise/drop in sea level
A hurricane
Sediment deposition caused by wave action
An earthquake
20. What process lead to the formation of the
Appalachian Mountains in Western North
Carolina?
The coastal plains of North Carolina
The piedmont of North Carolina
The mountains of North Carolina
Off the coast of North Carolina
A. The opening of the Atlantic Ocean
B. The collision of Africa with North America
C. The separation of the African and North
American plates
D. The rifting of Pangea in the early Triassic
17. The line that separates the Piedmont from the
Coastal Plains on the below map is known as
what?
21. The following diagram represents the rock cycle:
A.
B.
C.
D.
A.
B.
C.
D.
The Ring of Fire
The Fall Zone
The Subduction Line
The Zone of Saturation
18. Sea level changes off the coast of North
Carolina are responsible for the formation of
what shoreline landform?
A.
B.
C.
D.
The Outer Banks
The Appalachian Mountains
The Fall Zone
The Catawba River
22. The following diagram represents a soil profile:
Which type of rock is represented by letter F?
A.
B.
C.
D.
Igneous
Sedimentary
Foliated Metamorphic
Non-Foliated Metamorphic
25. Which geohazard generally takes place in the
GCS Earth Science Unit B Test - Plate Tectonics
mountains?
A.
B.
C.
D.
Landslide
Earthquake
Tsunami
Flooding
Which of the following soil horizons contains the
most amount of humus?
A.
B.
C.
D.
Horizon X
Horizon Z
Horizon W
Horizon Y
23. Which of the following is most likely to contribute
to the formation of an igneous rock?
A.
B.
C.
D.
Melting
Erosion
Pressure
Cooling
24. Which process breaks down rocks and changes
the overall composition of the rock?
A.
B.
C.
D.
Physical Weathering
Erosion
Deposition
Chemical Weathering
Question
Correct Answer
Standard
GCS Earth Science Unit B Test - Plate Tectonics
1
A
2.1.1
2
D
2.1.1
3
B
2.1.1
4
C
2.1.1
5
D
2.1.1
6
B
2.1.1
7
A
2.1.1
8
B
2.1.1
9
A
2.1.1
10
A
2.1.1
11
B
2.1.1
12
B
2.1.1
13
B
2.1.2
14
A
2.1.1
15
C
2.1.1
16
C
2.1.2
17
B
2.1.1
18
A
2.1.1
19
D
2.1.1
20
B
2.1.1
21
B
2.1.1
22
A
2.1.3
23
D
2.1.1
24
D
2.1.3
25
A
2.1.4