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WorksheetsHydrology Midterm Review B4
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
The process by which molecules at the surface of a liquid absorb enough energy to change to the gaseous state is called
a)
evaporation
b)
transpiration
c)
condensation
d)
precipitation
2.
How much of the water on Earth is fresh?
a)
97%
b)
50%
c)
3%
d)
5%
3.
Rain that falls on a steep, paved street during a thunderstorm will most likely become
a)
groundwater
b)
a spring
c)
runoff
d)
a reservoir
4.
Rain that falls on a steep, paved street during a thunderstorm will most likely become
a)
groundwater
b)
a spring
c)
runoff
d)
a reservoir
5.
What would you find in a body of water with high dissolved oxygen?
a)
high turbidity
b)
trout
c)
chemical factory runoff
d)
high nitrates
6.
What forms the boundaries of watershed?
a)
valleys
b)
lakes
c)
flat areas
d)
mountains or hills
7.
What does a high dissolved oxygen level indicate?
a)
High levels of pollution
b)
Low levels of fish and plants
c)
High levels of nitrates due to runoff
d)
Healthy water system
8.
What location would contain brackish water?
a)
Mouth
b)
Creeks
c)
Headwaters
d)
Source
9.
When an algal bloom occurs, what happens to the other organisms living in that part of the water?
a)
they experience population rises
b)
they find food more easily
c)
they experience stress due to depleted oxygen levels
d)
they thrive due to increased level of oxygen and light
10.
Where is most of Earth’s freshwater located?
a)
glaciers and icebergs
b)
rivers
c)
ponds
d)
lakes
11.
How do fertilizers and animal waste affect the level of nitrates in water
a)
they have no effect on it
b)
they increase the level
c)
they decrease the level
d)
none of the above
12.
What is the name of the river basin that we live in here in Jacksonville?
a)
New River Basin
b)
Tar-Pamlico Basin
c)
Neuse River Basin
d)
White Oak River Basin
13.
__________________ pollution can be caused by a power plant discharging warm water into a river.
a)
Thermal
b)
Temperature
c)
Salinity
d)
Aquatic
14.
The end of a river that flows into another body of water is called the
a)
tributary
b)
divide
c)
mouth
d)
meander
15.
Describe the level of dissolved oxygen at Pine Creek.
a)
none
b)
low
c)
medium
d)
high
16.
When the sturgeon returns to the New River, the river will then be considered to be healthy. The sturgeon is an example of a(n)
a)
bioluminescent
b)
bio-indicator
c)
biotic organism
d)
bio-protector
17.
Which of the items tested would most be affected by the cows at Muddy Run?
a)
pH
b)
nitrates
c)
salinity
d)
dissolved oxygen
18.
Which of the following are indicators of a healthy water system?
a)
low temperature, high dissolved oxygen, pH of 7
b)
high nitrates, little plant life, low temperature
c)
low pH, high nitrates, low dissolved oxygen
d)
low turbidity, low nitrates, high temperature
19.
Which of the following is an example of non-point-source pollution?
a)
wastewater from a leaking pipe
b)
chemical run-off from lawns
c)
oil from a leaking underground tank
d)
chemicals released from a paper mill
20.
A student wants to improve water quality. Which of the following activities could the student do to have the best impact?
a)
turn off the water in the sink while she brushes her teeth
b)
read about different kinds of water pollution
c)
Water the lawn even though it rained yesterday
d)
Wash her bike on the grass instead of on the sidewalk
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