North Carolina Science Grade 6

Chapter 4: Forces Shaping Earth

Forces Shaping Earth

1.
At convergent boundaries, plates __________.
A)move apart
B)move together
C)slide past each other
D)slip away from each other
2.
Which layer of Earth is solid, yet flows?
A)crust
B)inner core
C)mantle
D)outer core
3.
The Black Hills in South Dakota are an example of __________ mountains.
A)fault-block
B)volcanic
C)upwarped
D)folded
4.
The principle of isostasy relates to the __________ of rocks.
A)density
B)origin
C)buoyancy
D)compression
5.
Shearing occurs along __________ plates.
A)colliding
B)oceanic
C)volcanic
D)sliding
6.
New crust forms along __________ boundaries.
A)separating
B)buoyant
C)sliding
D)colliding
7.
The warmest place within Earth is in the __________.
A)crust
B)inner core
C)mantle
D)outer core
8.
Mountains can be built through all of the following processes EXCEPT __________.
A)upwarping
B)volcanic activity
C)erosion
D)folding
9.
When one block is tilted and pushed up while the other is pushed down, __________ mountains are produced.
A)upwarped
B)volcanic
C)fault-block
D)folded
10.
The Hawaiian islands are formed from __________ action.
A)folding
B)fault-block
C)upwarping
D)volcanic
11.
Deep trenches occur along __________ zones.
A)subduction
B)volcanic
C)transform
D)continental
12.
__________ occurs when one plate moves underneath another.
A)Shearing
B)Subduction
C)Tension
D)Compression
13.
Plates make up the __________.
A)crust
B)lithosphere
C)aesthenosphere
D)outer core
14.
The San Andreas Fault in California is an example of a __________ zone.
A)convection
B)separating
C)colliding
D)sliding
15.
The __________ is Earth's thinnest layer.
A)inner core
B)crust
C)mantle
D)outer core
16.
Faulting, folding, upwarping, and volcanoes result in __________.
A)transforming
B)uplift
C)sliding
D)erosion
17.
Molten metal comprises most of the __________.
A)inner core
B)outer core
C)crust
D)mantle
18.
__________ mountains are formed when rock layers are compressed together.
A)Fault-block
B)Volcanic
C)Folded
D)Upwarped
19.
The presence of a valley next to a ridge indicates which type of mountain-building process?
A)volcanic
B)folding
C)upwarping
D)fault-block
20.
Which of the following statements is true?
A)Thicker crust floats higher in Earth's mantle.
B)Thinner crust floats higher in Earth's mantle.
C)Thick and thin crust float at the same depth in Earth's mantle.
D)Thicker crust floats lower in Earth's mantle.
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