Geos 1000 Quiz 6
1. When sedimentary particles move in series of
short bounces, the process is termed _____.
A) siltation
B) saltation
C) sublimation
D) suspension
2. The steepest portion of a desert sand dune is on
the _____ side.
A) windward
B) top
C) bottom
D) flank
E) Leeward (slip face)
3. The mechanism of wind erosion in which loose particles
of sand and dust are picked up and removed, leaving
behind only coarser particles, is called _____.
A) deflation
B) saltation
C) abrasion
D) inflation
E) suspension
4. A _____ dune, shown in the figure below, forms from
shifting wind directions and abundant sand.
A)
B)
C)
D)
E)
barchan
transverse
longitudinal
parabolic
star
5. An American experience with desertification in the
earlier 20th Century, as shown in the figure, is called
The _____
A)
B)
C)
D)
E)
Sahelian Desert
Mojave Desert
Great Plains
Dust Bowl
Great Depression
6. Glacial ice is generally formed by _____.
A) frozen rivers
B) recrystallized snow
C) icebergs
D) frost wedges
E) frozen ocean water
7. In the glacial “ice budget,” a zone of snow accumulation
is balanced by a zone of _____.
A) abrasion
B) exhalation
C) rockfall
D) ablation
E) crevasses
8. The glacial valley shown here was formed by ______.
A)
B)
C)
D)
E)
glacial deposition
sea level rise
climate change
glacial erosion
ablation
9. A glacier that begins on land and continues to
move over sea water as a floating slab is called a(n):
A.
B.
C.
D.
E.
Ice sheet
Valley glacier
Cirque glacier
Ice Shelf
Moraine
10. A __________ is a stone that is shaped by wind abrasion
A. Yardang
B. Dune
C. Ventifact
D. Barchan
E. Desert pavement