Groundwater
Practice Test
1.
The type of projection shown in the Figure is best suited for what kind of map?
a.
a world map
b.
a road map
c.
a navigational map
d.
a topographic map
2.
When does water deposit calcium carbonate?
a.
when it loses carbon dioxide or evaporates
b.
when water mixes with carbon dioxide
c.
when it is in the zone of saturation
d.
when it is supersaturated with travertine
3.
You find a soil sample with 50 percent sand, 20 percent silt, and 40 percent clay. Use the figure to determine the soil's texture.
a.
sandy clay loam
b.
loam
c.
silt loam
d.
clay loam
4.
The highest percent of porosity is found in __________.
a.
impermeable layers
b.
the water table
c.
well-sorted materials
d.
poorly sorted sediments
5.
The process of water being added to the water table from precipitation is called __________.
a.
condensation
b.
recharge
c.
creating a cone of depression
d.
drawdown
6.
The __________ the total surface area, the __________ chemical weathering that can occur.
a.
greater, more
b.
greater, same
c.
smaller, more
d.
greater, less
7.
A __________ explains what the symbols of a map represent.
a.
projection
b.
title
c.
scale
d.
legend
8.
The renewed downcutting of a streambed is called __________.
a.
deposition
b.
erosion
c.
rejuvenation
d.
eutrophication
9.
Which of the sand dunes in the figure accumulates in areas with very little sand?
a.
a
b.
c
c.
d
d.
b
10.
How are caves formed?
a.
dissolution and precipitation of limestone
b.
permeability of water through fine-grained materials
c.
porosity of sandstone and limestone
d.
uplift of limestone rocks
11.
What is a rock called that has been shaped by wind-blown sediments?
a.
a ventifact
b.
loess
c.
a desert pavement
d.
a dune
12.
The graph shows the discharge of a river flowing through two cities. Which city experiences a greater carrying capacity in its portion of the river?
a.
They both have the same carrying capacities.
b.
Frankston
c.
Wet Gulch
d.
The carrying capacity of this river is 0.
13.
How are soil textures classified?
a.
grain size
b.
horizon
c.
acidity
d.
climate
14.
Look at the data in the graph, showing how the water quality has changed in Lake Smith over forty years. What is the most likely explanation for this trend?
1950
1955
1960
1965
1970
1975
1980
1985
1990
Dissolved oxygen
(parts per million or ppm)
20
19
18
18
16
17
15
11
9
pH
7.6
7.2
7.1
7.0
6.8
6.8
6.5
6.1
5.8
Phosphate (ppm)
0.0
0.10
0.20
0.25
0.28
0.28
0.45
0.55
0.55
Nitrogen (ppm)
0.05
0.18
0.19
0.25
0.28
0.28
0.35
0.40
0.45
Largemouth bass
450
455
448
338
235
220
155
125
50
Mosses and grasses
0
0
2
5
15
18
29
35
55
a.
The falling population of largemouth bass indicate that too much fishing has occurred on this lake.
b.
Higher phosphate and nitrogen levels suggest it was damaged by fertilizers.
c.
Lower oxygen levels indicate that too many fish were living in the lake.
d.
The dropping pH levels indicate that acid rain has been plaguing the region.
15.
In what type of climate does chemical weathering readily occur?
a.
cool and dry
b.
warm and wet
c.
cool and wet
d.
warm and dry
16.
__________ are depositional features formed at the bases of slopes.
a.
Oxbow lakes
b.
Meanders
c.
Stream channels
d.
Alluvial fans
17.
Which combination of characteristics allows the greatest amount of water to infiltrate into the ground?
a.
steep slopes, silty soils, and cool temperatures
b.
low slopes, clay-rich soils, and hot temperatures
c.
little slopes, sandy soils, and cool temperatures
d.
steep slopes, sandy soil, and hot temperatures
18.
Soil with vegetation allows __________ water to infiltrate than soil without vegetation.
a.
more
b.
less
c.
the same amount of
d.
always ten times more
19.
According to the figure, what is the lowest part of groundwater storage shown?
a.
zone of saturation
b.
zone of aeration
c.
soil moisture
d.
water table
20.
Which well shown in the figure would provide the healthiest water?
a.
Well 1
b.
Well 4
c.
Well 3
d.
Well 2
