Focus On Earth Science: California Grade 6

Chapter 5: Plate Boundaries and California

Standards Review

1.
How can Earth's plates move? 1.c
A)They only collide or slide along each other.
B)They can collide, pull apart, or slide against each other.
C)They only converge or diverge.
D)They only can move toward each other.
2.
A divergent boundary is a boundary between two plates that __________. 1.c
A)move away from each other
B)converge
C)slide along each other
D)move toward each other
3.
How can crust disappear at the edge of a boundary? 1.c
A)It is too dense and is sinking into Earth.
B)Gravity is pulling it down.
C)because new crust is being added to the other edge of the boundary
D)The other edge of the boundary is being pulled into Earth's core.
4.
What happens to rock around a subducting slab? 1.c
A)It goes over the other plate.
B)It combines with the other rock.
C)It disappears from Earth.
D)It goes under the other plate.
5.
Do two colliding continental plates always cause volcanoes? 1.e
A)No, earthquakes always occur when two continental plates collide.
B)Yes, subduction always occurs when continental plates collide.
C)No, usually no subduction occurs when continental plates collide.
D)Yes, subduction always occurs when oceanic plates collide.
6.
What is a transform boundary? 1.c
A)A transform boundary is when two plates slide past one another.
B)A transform boundary is when two plates pull away from each other.
C)A transform boundary is when two plates move toward each other.
D)A transform boundary is when two plates collide.
7.
What is the difference between normal faults and rift valleys? 1.c
A)Rift valley formation has nothing to do with normal faults.
B)Rift valleys sometimes occur near normal faults, but their formation is not related to these faults.
C)Normal faults occur in the northern hemisphere, but rift valleys only occur in the southern hemisphere.
D)Rift valleys are formed from normal faults.
8.
What happens when an oceanic plate converges with a continental plate? 1.c
A)The less dense oceanic plate slides under the denser continental plate.
B)The denser oceanic plate slides under the less dense continental plate.
C)The denser oceanic plate slides on top of the less dense continental plate.
D)The less dense oceanic plate slides past the denser continental plate.
9.
What are strike-slip faults? 1.c
A)a boundary where rocks on opposite sides of the fault move in opposite or the same directions at different rates
B)a boundary where rocks in the fault never move
C)a boundary where rocks on the same side of the fault move in the same direction, but at different rates
D)a boundary where rocks move in the same directions at the same rate
10.
__________ occurs when one plate moves underneath another. 1.c
A)Tension
B)Compression
C)Subduction
D)Shearing
11.
What dictates the type of fault formed when a surface breaks? 1.c
A)the weather conditions at the time of the faulting
B)the type of soil involved at the location of the fault
C)the current barometric pressure
D)the way in which the forces are applied to a rock
12.
What kind of forces cause normal faults? 1.c
A)tension forces
B)gravity
C)inertia
D)compression forces
13.
Compression forces cause __________ faults. 1.c
A)slip
B)normal
C)reverse
D)tension
14.
How are strike-slip faults formed? 1.c
A)Shear forces form them.
B)Slip forces form them.
C)Gravitational forces form them.
D)Strike forces form them.
15.
Which of these is primarily responsible for shaping California's landscape? 1.f
A)erosion
B)plate movements
C)glaciers
D)ocean waves
16.
Which of these occur as the Pacific Plate moves? 1.f
A)earthquakes
B)mountains pushed up
C)basins drop down
D)all of the above
17.
Why are there so many mountains in California? 1.f
A)California is on a plate boundary.
B)California has many volcanic activities.
C)California has many earthquakes.
D)California sits on granitic rock.
18.
Which mountain range is formed as a result of rifting? 1.f
A)The Panamint Range
B)Cascade Mountains
C)Klamath Mountains
D)Sierra Nevada
19.
The transform plate boundary in California goes out to sea north of ________. 1.f
A)San Francisco
B)Death Valley
C)Cape Mendocino
D)Gulf of California
20.
The San Andreas Fault in California is an example of a __________ zone. 1.f
A)colliding
B)separating
C)convection
D)sliding
Grade 6
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