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Worksheets11.3 Water Pollution
Total questions: 16
Worksheet time: 8mins
Water treatment involves..
adding chlorine
adding mercury
removing fluoride
Point source pollution and non-point source pollution differ in
biological agents causing pollution
the source of pollution is agricultural
the number of sources from which the pollution is discharged
pollutants are chemical or physical
sources of ocean pollution include
oil spills
direct dumping of wastewater
activities on land
all the above
When neighborhood residents notice a large number of dead fish in a local creek, they traced the problem to a nearby gas station. It turned out that a gasoline tank had devolved a leak. This is an example of..
Point- source pollution
non- point source pollution
Some communities have banned detergents containing high levels of phosphates because
phosphates cause chemical reactions that raise temperature of rivers, waters, and lakes.
phosphates are not efficient cleaners
excessive phosphates in lakes may begin a process that cause fish to suffocate and die
How much oil pollution comes from land?
75%
95%
90%
85%
Law designed to improve water quality in the United States
1987 Water Quality
1972 Clean Water Act
1975 Safe Drinking Water Act
Pollution traced to a single point
water shed
permeable
point source pollution
non-point source pollution
The Portion of water that flows across the surface that does not soak into the ground and runs into water bodies
what
fertilizer
erosion
runoff
Pollution that cannot be traced to a single point because comes from many sources
estuary
water shed
non point source pollution
point source pollution
A chemical sprayed to kill insects or bugs.
aquifer
fetilizer
herbicide
pesticide
Select the term or phrase that best matches the description.
accumulation of pollutants at successive levels of the food chain
thermal pollution
wastewater
biomagnification
artificial eutrophication
Select the term or phrase that best matches the description.
-accelerated build-up of nutrients caused by humans
thermal pollution
wastewater
biomagnification
artificial eutrophication
One reason polluted groundwater pollution is difficult to clean is that
the location of underground storage tanks is not always known.
pollutants cling to the materials that make up aquifers.
runoff contaminates the water supply.
All of the above
Which Act strengthened the laws against dumping waste in U.S. waters?
Marine Protection, Research, and Sanctuaries Act
Clean Water Act
Water Quality Act
both the Marine Protection, Research, & Sanctuaries Act and the Clean Water Act
Do you understand that you should complete this USING the slides as a reference as many times as needed until you have a satisfactory score?
Yes, I will do this if needed.
No, I only complete it once whether I get a good grade or not.
