PART 2
1. This type of stream found in the desert environment carries water only in response to specific episodes
of rainfall.
A. Interior drainage
B. Ephemeral
C. Barchan
D. Transverse
2. Which one of the following is not true of glaciers?
A. Originate on land
B. Exist only in the Northern Hemisphere
C. Form from the recrystallization of snow
D. Show evidence of past or present flow
3. Which of the following is the vertical drop of a stream channel over a specified distance?
A. Gradient
B. Discharge
C. Laminar flow
D. Runoff
4. Which of the following refers to water that falls on land and soaks into the ground?
A. Transferal
B. Runoff
C. Deposition
D. Infiltration
5. Karst topography is noted for having numerous surface depressions called _______ that are the result of
underground deposits of limestone being dissolved by groundwater.
A. sinkholes
B. caverns
C. stalagmites
D. water pits
6. During the most recent ice age, glaciers covered about ________ percent of Earth's land area.
A. 3
B. 10
C. 50
D. 30
7. With regard to the hydrologic cycle, the two processes that put water back into the atmosphere are
evaporation and
A. discharge.
B. recharge.
C. precipitation.
D. transpiration.
8. One example of a _______ lake is Utah's Great Salt Lake.
A. pleistocene
B. pluvial
C. loess
D. playa
9. Climatologists define _______ as one in which yearly precipitation is less than the potential loss of water
by evaporation.
A. bajada
B. mesa
C. deserts
D. dry climate
10. With regards to groundwater, which of the following is an impermeable layer that hinders or prevents
water movement?
A. Aquitard
B. Zone of aeration
C. Aquifer
D. Water table
11. During the 1930s, parts of the Great Plains experienced vast dust storms due, in part, to poor farming
practices. This part of the United States became known as the
A. Dust Bowl.
B. Sand Pit.
C. Dirt Pit.
D. Dust Hole.
12. Alpine glaciers can be found on which of the following landforms?
A. Flat plains
B. Recombination of rock particles
C. Lowland hills
D. Mountains
13. About 97% of all the water on Earth exists in
A. the oceans.
B. the atmosphere.
C. glaciers.
D. groundwater.
14. Which of the following is the physical removal of material by a mobile agent, such as flowing water,
waves, or wind?
A. Weathering
B. Deposition
C. Mass wasting
D. Erosion
15. Most major glacial episodes occurred during which era?
A. Precambrian
B. Pluvial
C. Pleistocene
D. Precipitous
16. The loess deposited in many parts of the Midwest
A. was once glacial deposits of stratified drift.
B. is in the form of transverse dunes.
C. is uniformly thick.
D. had its source in desert regions.
17. Desert pavement is the result of
A. intense chemical weathering
B. deflation
C. abrasion by windblown sand
D. erosion by running water
18. Which of the following explains why even though rainfall is sparse in the desert, when it does occur a
quick flood might result?
A. Lots of bare rocks
B. The lack of adequate drainage area
C. The lack of plant cover
D. Steep valleys that confine the water
19. When forest fires, or other plant-removing processes, occur on a mountainside, the chances of mass
wasting will
A. fluctuate dependent upon groundwater.
B. undergo a minor decrease.
C. abruptly stop.
D. increase.
20. Which of the following lasts only a few days or weeks, before evaporation and infiltration remove the
water?
A. Mesa lake
B. Playa lake
C. Dry gulch lake
D. Bajada lake
21. A discontinuous pattern of intermittent streams that don't flow out of the desert into the ocean is
characteristic of
A. interior drainage.
B. exterior drainage.
C. alluvial fans.
D. blowouts.
22. The side-to-side cutting of a river eventually produces a wide, flat valley floor, or
A. meander.
B. tributary.
C. floodplain.
D. backswamp.
23. In some areas, land subsidence is being caused by
A. sinkholes.
B. underground limestone caverns.
C. a rise in the zone of aeration.
D. groundwater withdrawal.
24. What is Earth's most important erosional agent?
A. Streams
B. Strong winds
C. Moving glaciers
D. Capacity
25. Which of the following is a curved lake that forms when a stream cuts off a meander?
A. Playa lake
B. Horseshoe lake
C. Yazoo lake
D. Oxbow lake
PART 3
1. California's San Andreas Fault is considered a _______ fault, because it accommodates the displacement
of southwestern California and the Baja peninsula of Mexico.
A. transform
B. divergent
C. convergent
D. reverse
2. A typical rate of seafloor spreading in the Atlantic Ocean is
A. 20 feet per year.
B. 0.1 inches per year.
C. 2 centimeters per year.
D. 2 ft per year.
3. Geologists are presently aware of roughly 800 volcanoes worldwide. Most of these active volcanoes are
located in a specific belt in the Pacific known as the
A. Western Volcanic Zone.
B. Ring of Fire.
C. Pacific Fire Ring.
D. Mid-Pacific Ridge.
4. What type of volcano is Mount St. Helens?
A. Lava dome
B. Cinder cone
C. Composite cone
D. Shield volcano
5. All of the following are evidence supporting the theory of plate tectonics except
A. hot spots.
B. ocean floor drilling.
C. paleomagnetism.
D. changes in the Moon's orbit due to shifting plates.
6. The term Pangaea refers to
A. the South Pacific portion of the Mid-Oceanic Ridge.
B. the name of a supercontinent that existed long ago.
C. an ancient glacial feature.
D. a unique fossil that was found in Antarctica.
7. Which of the following factors does not help determine whether a volcanic eruption will be violent or
relatively quiet?
A. Amount of dissolved gas in the magma
B. Composition of the magma
C. Magnetic pull of Earth's moon.
D. Temperature of the magma
8. Which of the following are deadly mudflows generated by volcanic eruptions?
A. Earth slides
B. Zeutas
C. Lahars
D. Washouts
9. Which of the following are built almost entirely of ejected lava fragments?
A. Cinder cones
B. Shield volcanoes
C. Volcanic necks
D. Composite cones
10. Seismograms reveal two types of seismic waves that are generated by an earthquake. _______ waves
travel around the outer layer of Earth; _______ waves travel through Earth's interior.
On A. Surface, body
B. Body, surface
C. Primary, secondary
D. Exterior, interior
Answer will be sent by email as attachment.