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