WorksheetsU6 SWYK LGD- Health of a Watershed
Total questions: 10
Worksheet time: 5mins
What is an example of point-source pollution?
A pipe from a factory
Rain runoff
OIl mixed with waste and dish soap in a river
Cow manure mixed with pesticides and animal waste found in a puddle
What is an example of nonpoint-source pollution?
A pipe from a factory
Gasoline from the highway running off after a rain storm
Oil that spilled into a river
Gasoline from a motorboat leaking into a lake
The use of pesticides and fertilizers is carefully monitored because of the effect they can have on the environment. Which of the following is a possible negative effect of the use of these chemical on the environment?
These chemicals are expensive to produce.
Runoff carries these chemicals into lakes and streams.
Storage space for these chemicals is limited.
Theses chemicals cannot be purchased in large bulk.
Rapid growth of algae in a pond is often the result of -
loss of habitat due to commercial building.
flooding that causes water levels to rise.
excess nutrients from fertilizer runoff.
clogged river tributaries entering a lake.
point source pollution Available space for crops
nonpoint source pollution.
eutrophic pollution
riparian pollution
5. As the algae grows, this can cause problems for the plants below as it:
blocks the sunlight
strangles the fish
releases deadly toxins
Eutrophication, excess nutrients getting into waters, can cause algal blooms. Why is that bad?
Because it's gross.
Some algae is bacteria.
Algae can use up all the oxygen and some produce toxins.
The algal bloom is just not pretty so it makes the water ugly.
All water below the surface of land is called__________.
water table
watershed
groundwater
runoff
