WorksheetsDissolved Oxygen and Temperature Quiz - Challenge
Total questions: 20
Worksheet time: 2hrs 36mins
Name
Class
Date
1.
What is eutrophication?
a)
algae blooms
b)
excess nutrients
c)
less dissolved oxygen
d)
more dissolved oxygen
2.
Select the temperature in °F
a)
90°F
b)
102°F
c)
40°F
d)
30°F
3.
Select the temperature in °C
a)
5°C
b)
12°C
c)
22°C
d)
35°C
4.
Look at the activity. Select the temperature it would most likely be in °C
a)
10°C
b)
30°C
c)
60°C
d)
100°C
5.
What is closest to room temperature in Celsius?
a)
59
b)
20
c)
68
d)
32
6.
The higher the temperature, the more dissolved oxygen in water.
a)
True
b)
False
7.
How do we measure temperature?
a)
In Degrees
b)
In Inches
c)
In Centimeters
d)
In Pounds
8.
How do we measure Dissolved Oxygen (D.O.)?
a)
ppg
b)
pmp
c)
mpp
d)
ppm
9.
What does ppm stand for?
a)
particles potential measurement
b)
post traumatic per million
c)
parts per million
d)
parts per mile
10.
How does an algae bloom start?
a)
it gets a green light
b)
extra nutrients in the water
c)
extra DO in the water
d)
fish create it
11.
How does photosynthesis by aquatic plants impact dissolved oxygen levels in the water?
a)
the plants bring in dissolved oxygen with photosynthesis and reduce DO levels
b)
the plants give off dissolved oxygen with photosynthesis and increase DO levels
c)
the plants photosynthesis does not affect DO levels
d)
photosynthesis increases the temperatures with decrease DO levels
12.
How can DO (dissolved oxygen) levels be increased? Make sure all parts of your answer choice are correct.
a)
wind, cold water, plants doing photosynthesis
b)
cold water, respiration, food
c)
humans pumping chemicals, extra nutrients, plants
d)
warm water, fish, people
13.
How can DO (dissolved oxygen) levels decrease? Make sure all parts of your answer choice are correct.
a)
warm water, aquatic animals respiring, bacteria using DO to decompose (break down) dead organisms
b)
cold water, water plants photosynthesizing, fish respiring
c)
cold temperatures, fish dying, plants photosynthesizing
d)
fish dying, bacteria breaking down dead organisms, waves, wind
14.
How can oxygen be removed from the water?
a)
Aquatic animals breathing during the day and night
b)
Bacteria decomposing dead plants and animals and using dissolved oxygen to do this
c)
When temperature increases
d)
All of the above
15.
How do we test dissolved oxygen?
a)
blue comparator, snap cup, and ampoule
b)
pink comparator, snap cup, and ampoule
c)
green comparator, snap cup, and ampoule
d)
none of these
16.
What is a good range of DO for Lake Lipsey?
a)
0-6 ppm
b)
1-4 ppm
c)
4-6 ppm
d)
6-10 ppm
17.
Which of these can do photosynthesis?
a)
Hydrilla
b)
Seaweed
c)
Trees
d)
All of the above
18.
How does the atmosphere impact dissolved oxygen?
a)
Atmospheric pressure takes out DO from the water
b)
The atmosphere does not impact DO
c)
Atmospheric pressure pushes DO into the water (through diffusion)
d)
All of the other options are correct
19.
Which of these lakes would have the highest DO (if all other factors were constant)?
a)
Lake near Mt. Everest
b)
Lake in the hills of Georgia
c)
Lake in Florida
d)
Lake in the Colorado Rockies
20.
How do bacteria affect DO in water bodies?
a)
increase DO through decomposition
b)
decrease DO through decomposition
c)
DO stays the same
d)
bacteria multiply DO by 8
100 %
