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Water Ch. 11 And 12
Test Description: Water sources, pollution, and treatment
Instructions: Answer all questions to get your test result.
1) What percent of freshwater is available for drinking?
A
30%
B
1%
C
70%
D
21%
2) What chemical is added to our drinking water to kill off microorganisms
A
Arsenic
B
Mercury
C
Chlorine
D
Lead
3) What is PPM?
A
People per mile
B
Parts per million
C
Parts per minute
D
Parts per month
4) One way thiscontaminant gets into our drinking water is from old plumbing
A
Chlorine
B
Lead
C
Amoebas
D
Arsenic
5) This is the process of water sinking into the ground
A
Transpiration
B
Sinklimation
C
Infiltration
D
Aquafication
6) Excessive nutrients entering a lake or pond cause an increase in plant growth which eventually may lead to the lake or pond becoming swampy. What is this process called?
A
Lithification
B
Turnover
C
Eutrophication
D
Sublimation
7) Large ocean going fish such as Tuna can accumulate heavy metals in their bodies which may make them unsafe to eat. Which of the following is a heavy metal sometimes found in these
A
Bromine
B
Arsenic
C
Mercury
D
Chlorine
8) Four water samples were tested for Lead. Which of the samples contains the most Lead? (HINT- BE SURE TO LOOK AT THE UNITS!!!)
A
15 ppm
B
1.5 ppm
C
25 ppb
D
.0005 ppm
9) How can a landfill affect our drinking water?
A
Birds carry away garbage and drop it in the ocean
B
None of the above
C
They can't. They are perfectly safe
D
Toxins can leak into the soil, getting into groundwater
10) Which solution is the most concentrated?
A
2 gallons of water, 4 tablespoons grape kool-aid
B
10 gallons of water, 10 tablespoons grape kool-aid
C
1 gallon of water, 3 tablespoons grape kool-aid
D
1 gallon of water, 1 tablespoon grape kool-aid
*select an answer for all questions
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