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WorksheetsWater Quality Indicators
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
Cooler water temperatures are better because
a)
Cold water holds more dissolved oxygen
b)
Cold water makes it harder for bacteria to grow
c)
Both are reasons why cool water is beneficial
2.
The amount of flowing dirt in the water is
a)
pH
b)
suspended sediment
c)
biodiversity
d)
dissolved oxygen
3.
Water with high turbidity
a)
is cloudy and hard to see through
b)
is clear
4.
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
5.
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
6.
Organisms too small to see with the naked eye that are tested to determine water quality are
a)
microorganisms
b)
macroinvertebrates
c)
dissolved oxygen
d)
phosphates
7.
If water has e.coli, fecal coliform bacteria, and/or cryptosporidium in it
a)
its ok to drink the water as long as the levels are low
b)
its totally fine to drink the water
c)
the water is not drinkable since these microorganisms make you really sick
d)
you should give the water to kids
8.
If all other indicators are good, but there is giardia or fecal cloiform bacteria like e. coli in the water,
a)
the water isn't high enough quality to drink
b)
the water is high enough quality to drink
9.
The presence of pollution intolerant macroinvertebrates like stonefly and caddisfly indicates
a)
good quality water
b)
poor quality water
10.
If you find aquatic worms, maggots, and leeches,
a)
the water could be good or poor since these organisms can live in polluted or clean water
b)
c
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