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WorksheetsTurbid or Not Turbid
Total questions: 20
Worksheet time: 16mins
Name
Class
Date
1.
Water stored in underground layer
a)
Aquifers
b)
Zone of Aeration
c)
Zone of Saturation
d)
Groundwater
2.
Water with high turbidity
a)
is cloudy and hard to see through
b)
is clear
3.
Temperature, turbidity, and suspended sediment are all
a)
chemical indicators of water quality
b)
physical indicators of water quality
c)
biological indicators of water quality
d)
not indicators of water quality
4.
Which of the following is NOT a desired effect in streams?
a)
a pH of about neutral
b)
low salinity
c)
high temperature
d)
low nitrates
5.
High turbidity indicates poor water quality because
a)
it clogs the gills of aquatic animals and makes it difficult to breathe
b)
it makes it hard for sun to get to the aquatic plants
c)
it makes it hard for aquatic animals to find their food
d)
all are reasons high turbidity indicates poor water quality
6.
Water that is warmer has less oxygen
a)
True
b)
False
7.
Which term means how clear water is
a)
Acidity
b)
pH
c)
Turbidity
d)
Hardness
8.
You would want to drink water with high turbidity
a)
True
b)
False
9.
Having low amounts of oxygen in bodies of water can eventually lead to death of organisms.
a)
True
b)
False
10.
Who is in charge of monitoring the quality of our water?
a)
NBA
b)
EPA
c)
CBS
d)
NWF
11.
What organisms are usually used as bioindicators to assess stream health because they are sensitive to pollution and easy to catch?
a)
microorganisms
b)
bioilluminators
c)
hydrogen bonds
d)
macroinvertebrates
12.
Algal blooms can use up resources, which kills the aquatic plants. These plants are decomposed by bacteria that use up the oxygen in the water and kills all of the other organism. This process is called
a)
respiration
b)
photosynthesis
c)
digestion
d)
eutrophication
13.
Nitrates and phosphates come from fertilizers and human and animal waste. This leads to eutrophication which is the buildup of what?
a)
Plankton
b)
Algae
c)
Lily pads
d)
Weeds
14.
Having a pH of 4 means that the liquid is more ____________
a)
acidic
b)
basic
15.
What is the normal pH of water?
a)
3
b)
7
c)
10
d)
14
16.
What is dissolved oxygen?
a)
The amount of O2 dissolved in water
b)
The amount of CO2 dissolved in water
17.
What does it mean when a scientist says a lake has high turbidity?
a)
The water is very cloudy.
b)
The water is very clear.
c)
The water has a high pH.
d)
The water can support many organisms.
18.
Which of the following would be considered a non-point source pollution:
a)
A pipe leak
b)
Fertilizer runoff
c)
A gas leak from an underground tank
19.
If gasoline or oil or trash goes into a storm drain in the street, it goes directly...
a)
to the sewage treatment plant
b)
into the stream
c)
to groundwater
d)
none of the above
20.
Fresh water that is located underground comes from a/an...
a)
turbidity
b)
aquifer
c)
aqueduct
d)
septic tank
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