Water Contamination 1

Toxic and biological agents that exceed what is naturally found in water is referred to as:

• toxins

• water pollution

• bacteria

• sludge

True or false: ALL contaminants found in water are harmful to humans.

• True

• False

True or false: ALL kinds of water areas can become polluted.

• true

• false

Which type of chemical pollutant is caused when your car has a gas or oil leak, sitting in the driveway, and washes into the sewer with the hose?

• chlorinated

• organic

• crude oil / petroleum

• fertilizers

Which type of chemical pollutant is from dumping old medicines down the drain, washing the medicine container?

• chlorinated

• antibiotics

• fertilizers

• metals and compounds

Scientists suggest using lady bugs as a natural form of pest control in the garden. Which type of chemical pollutant are you trying to eliminate?

• pesticide / insecticide

• antibacterial

• metals

• PCB's

Radon, which accounts for 55% of all natural radiation, is considered which type of pollution?

• biological

• chemical

• radiological

Some pollutants you can see directly coming out from a factory or a pipe and into a body of water. Which type of "source" is that called?

• point source

• non-point source

In the movie "A Civil Action" that we saw in class, what was the "point" source of the contamination?

• a petroleum factory

• a tannery

• gas station

• septic tank

Check below all of the sources of water pollution

• leaky septic tank

• closed down gas station

• oil spills

• manure washing downstream