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Water Quality
Test Description: Hyder water quality
Instructions: Answer all questions to get your test result.
1) The small particles in turbidity comes from what?
A
Fish pebbles
B
Acid rain
C
sediment
D
Detergent
2) pH tells us what?
A
How cloudy the water is.
B
How acid or basic the water is.
C
How hot or cold the water is.
D
How many nitrates there.
3) Eutrophication is caused by what?
A
Increase in nitrates and phosphates
B
Increase in turbidity
C
Decrease in dissolved oxygen
D
Decrease in turbidity
4) Which term means extracting small particles from water?
A
Turbidity
B
Filtration
C
Extraction
D
Eutrophication
5) If there was an increase in temp, what indicator could we test to see if fish are stressed?
A
Dissolved oxygen
B
Temperature
C
Turbidity
D
Nitrates and phosphates
6) What effect can detergents have on waterways?
A
increase in nitrates
B
increase dissolved oxygen
C
decrease in sediment
D
decrease in salinity
7) What is the pH of aquatic life?
A
5-10
B
1
C
6.5-9
D
7
8) There is more dissolved oxygen in what type of water?
A
cold
B
warm
C
very hot
D
hot
9) What is a river basin
A
A smaller version of a watershed.
B
A land drained by river and its tributaries.
C
All the freshwater on earth.
D
One river leading to an ocean.
10) What does an upwelling do?
A
Makes phytoplankton die.
B
Makes waves happen.
C
Brings nutrients to surface waters.
D
Makes the water warm.
11) When fertilizers leak in to water what does it increase?
A
temperature
B
algae
C
turbidity
D
dissolved oxygen
*select an answer for all questions
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