Water Quality Question Preview (ID: 37679)


6.9. TEACHERS: click here for quick copy question ID numbers.

Oxygen in the water comes from the atmosphere and
a) fish breathing
b) teenage mutant ninja turtles
c) animals
d) plants

What is a safe pH for aquatic life?
a) 1-3
b) 4-5
c) 6-9
d) 10-14

Excessive nutrients cause
a) high temperatures
b) lower temperatures
c) low dissolved oxygen
d) high dissolved oxygen

Which is NOT a way to test water quality?
a) humidity
b) dissolved oxygen
c) pH
d) salinity

The health of an ecosystem is directly related to
a) water quality
b) plants
c) sludge
d) animals

Amount of dissolved salt in water is called
a) turbidity
b) salinity
c) pesticides
d) algae

Which instrument is used to measure water clarity?
a) secchi disk
b) pH strip
c) thermometer
d) hydrometer

Sewage from our homes goes to
a) water treatment plant
b) storm drain
c) the ocean
d) a reservoir

What causes sediment from construction sites to get in rivers and streams?
a) high ph
b) nitrates
c) eutrophiciation
d) weathering and erosion

In an excellent stream there would be a high number of
a) dissolved oxygen
b) turbidity
c) salinity
d) macroinvertebrates

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