Florida Science Grade 8

Section 2: Uplift of Earth's Crust

Uplift of Earth's Crust

1
When one block is tilted and pushed up while the other is pushed down, __________ mountains are produced.
A)folded
B)fault-block
C)upwarped
D)volcanic
2
__________ mountains are formed when rock layers are compressed together.
A)Upwarped
B)Fault-block
C)Folded
D)Volcanic
3
Volcanic mountains are formed by __________.
A)upwarping
B)erosion
C)the deposition of molten rock
D)folding
4
The Black Hills in South Dakota are an example of __________ mountains.
A)folded
B)volcanic
C)upwarped
D)fault-block
5
The principle of isostasy relates to the __________ of rocks.
A)buoyancy
B)density
C)origin
D)compression
6
The Hawaiian islands are formed from __________ action.
A)folding
B)volcanic
C)upwarping
D)fault-block
7
Which of the following statements is true?
A)Thinner crust floats higher in Earth's mantle.
B)Thicker crust floats lower in Earth's mantle.
C)Thick and thin crust float at the same depth in Earth's mantle.
D)Thicker crust floats higher in Earth's mantle.
8
Mountains can be built through all of the following processes EXCEPT __________.
A)erosion
B)upwarping
C)folding
D)volcanic activity
9
The presence of a valley next to a ridge indicates which type of mountain-building process?
A)fault-block
B)folding
C)volcanic
D)upwarping
10
Faulting, folding, upwarping, and volcanoes result in __________.
A)uplift
B)erosion
C)sliding
D)transforming
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