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Surface Water, Wetlands And Groundwater
Test Description: Review for test on surface water, wetlands and groundwater
Instructions: Answer all questions to get your test result.
1) What is the most likely reason that tributaries merge to form the Cape Fear River?
A
length of the streams
B
speed of the water
C
slope of the land
D
depth of the water
2) During the eutrophication of a lake, fertilizers increase the amount of nutrient levels in the water. What best describes how the excess nutrients affect the lake?
A
pH drops; plants die; fish die
B
overproduction of algae; dissolved oxygen drops; fish die
C
dissolved oxygen rises; algae increases; fish population increase
D
temperature drops; plants increase; populations increase
3) Runoff from the hog farms on the Coastal Plains works its way into the Cape Fear watershed. Where is this polluted runoff most likely filtered?
A
Cape Fear Estuary
B
Cape Fear River
C
local streams
D
waste ponds
4) The Little River flows into the Cape Fear River. The Little River would be considered a
A
tributary
B
headwater
C
river system
D
divide
5) Which household items perform the most similar to an estuary?
A
hammer
B
broom
C
mop
D
pliers
6) What term best describes the line which separates the Cape Fear River basin from the Neuse River basin
A
tributary
B
divide
C
watershed
D
estuary
7) Many cities require a buffer zone around streams. Property owners are prohibited from cutting the grass, removing trees or paving the ground within the buffer zone. What is the most likely purpose of buffer zones?
A
They discourage people from playing in the channels.
B
The increase the speed at which water drains away.
C
They reduce air pollution created by lawn mowers
D
They filter the water coming into the stream when it rains.
8) Fishery scientists are concerned that there may be fewer ocean fish to feed humans in the future because the estuaries and bays near land are becoming more polluted. Why would the number of fish in the ocean be reduced because the estuaries near lan
A
Estuary fishers will start fishing in the ocean once the estuaries are polluted.
B
The pollution in the estuaries eventually makes the ocean toxic.
C
The deep-sea fish come into the estuaries to eat.
D
Many ocean fish use the estuaries to produce offspring.
9) Any area where fresh water from a river meets, and mixes with, salt water from the ocean.
A
estuary
B
oxbow lake
C
river system
D
meander
10) Which below is not an important function of wetlands?
A
Filters out pollutants.
B
Produce bacteria.
C
Controls flooding.
D
Filters out pollutants.
11) The Cape Fear River and all of it's tributaries is a(n)
A
river system
B
estuary
C
divide
D
wetland
12) Why is lake turnover important?
A
It decreases the pH of the lake.
B
It puts oxygen into the lake during the summer.
C
It prevents fish from freezing in the winter.
D
It mixes up the nutrients in the lake.
13) What percent of the water on Earth is fresh water?
A
3%
B
97%
C
50%
D
25%
14) Where is most of the fresh water on Earth located?
A
frozen at the poles
B
in lakes
C
in the ocean
D
in rivers
15) Any underground layer of rock or sediment that holds water is called a(n)
A
impermeable layer
B
water table
C
aquifer
D
underground layer
16) What information is used to most effectively monitor aquifers?
A
radar readings
B
satellite images
C
computer models
D
well samples
17) During the winter, the warmer water on the bottom of a lake is replaced by the colder water on the surface. This is called lake turnover. Why does this occur?
A
Because the warmer water on the bottom is more dense than the colder water at the surface.
B
The fish are located in the warmer waters on the bottom, and as they swim they cause the warmer water to rise to the surface.
C
Because there are more nutrients in the colder water at the surface, and it makes the surface water heavier.
D
During the winter, the warmer water on the bottom of a lake is replaced by the colder water on the surface. This is called l
18) What term is give to water which is a mixture of fresh and saltwater?
A
Saline water
B
Brackish water
C
Tannish water
D
Low sodium water
19) How can estuaries act as a buffer between the ocean and the land?
A
Estuaries can decrease the effects of flooding and storm surges.
B
Rivers will stop flowing when an estuary's water level gets above flood stage.
C
How can estuaries act as a buffer between the ocean and the land?
D
Estuaries can block the wind from blowing onto the land.
20) The land that supplies water to a river system is called a
A
river basin
B
water shed
C
tributary
D
divide
*select an answer for all questions
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