WorksheetsWater in LF/LB
Total questions: 7
Worksheet time: 4mins
Name
Class
Date
1.
Of all the water in the world, approximately what percentage is usable/drinkable by humans (i.e. freshwater that is not frozen in ice caps or glaciers)?
a)
2.5%
b)
5%
c)
10%
d)
60%
2.
Approximately what percentage of the world’s surface freshwater is in the Great Lakes?
a)
2%
b)
21%
c)
33%
d)
54%
3.
Retention time is the time that a substance remains within a body of water before being lost to the system. What is the approximate retention time for a pollutant, such as a benzene molecule, in Lake Michigan?
a)
10 minutes
b)
6 weeks
c)
10 years
d)
99 year
4.
When you wash your dishes in your kitchen sink, the water comes from ___________________________and ends up in _________________________.
a)
Lake Michigan; Lake Michigan
b)
Lake Michigan; the Gulf of Mexico
c)
Lake Michigan; the Skokie Lagoons
d)
The groundwater beneath your home; Lake Michigan
5.
OH NO!!! You accidentally just flushed your ring down the toilet. Where will it end up?
a)
Lake Michigan
b)
Lake Michigan; the Gulf of Mexico
c)
The drinking water treatment plant on Lake Rd in Lake Forest
d)
The NSSD treatment plant on Clavey Road in Highland Park
6.
Lake Forest today comprises approximately 11,200 acres. Prior to settlement, Lake Forest has approximately how many acres of wetlands to store rainwater?
a)
2
b)
600
c)
1,000
d)
2,900
7.
What is this object protruding from the water near the pavilion at Lake Forest Beach?
a)
A device that measures lake water levels
b)
A shark hormone detector that warns swimmers of an impending shark attack
c)
A security camera
d)
An E. coli monitoring device that predicts the presence of E. coli by measuring temperature and humidity
100 %
