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Definitions and Discussion
pH scale
Point or non point
oil spill
Labs, activities, field trips
100
Define point source pollution
A single easily detectable source of direct pollution
100
A zero on the pH scale means what?
strong acid is present
100
I throw my garbage barrel into a river
point source
100
What initially caused the oil spill
explosion on deepwater horizon rig
100
When we did pH strips, did we find vinegar to be an acid or a base?
acid
200
Non point source pollution
Multiple hard to detect sources of pollution that enter an environment indirectly
200
A liquid with a pH of 9 is more what than a river with a pH of 8
basic
200
I spill motor oil when repairing my car and the rain carries it into the river
Non point source
200
How does soap react with an oil and water mixture?
repels the oil
200
Where would you find a Bar Screen and what is it used for?
waste water treatment plant, remove large debris from waste water
300
Define pH scale
scale used to measure how acidic or how basic something is
300
Tap water has a pH of what? and what is that called?
7, Neutral
300
Anything that gets washed into a storm drain
Non point pollution
300
The oil spill is destroying one of the last breeding grounds of this endangered fish. We have been talking about this fish a lot
blue fin tuna
300
What is the main difference between the path water takes when poured down a storm drain vs. when poured down the sink?
storm drain water does not usually go to the waste water treatment plant
400
The cuyahoga river fire of 1969 led to what major nationwide development in environmental protection?
Clean Water Act (EPA also acceptable)
400
Chemical X has a pH of 5. You mix it with the same amount of chemical Y and the solution becomes neutral. What must be the pH of chemical Y.
9
400
Give me an example of non point pollution that comes from a farm
pesticides, fertilizer, manure, animal waste etc.
400
Why does the oil spill not effect most adult fish in the Gulf of Mexico (what do you know about oil)?
Oil floats on the surface
400
How many times has the Cuyahoga River caught on fire since 1868
10 times
500
Name one thing the city of Cleveland did after the Cuyahoga River fire in order to clean up the river (be specific)
subway size tanks to hold drain water until treatment, self taxation of $100 million dollars for river restoration, 3.5 billion to reduce sewage and industrial waste pollution.
500
Explain why TUMS or antacids help cure an acidic stomach
antacids are basic and help increase the pH of the stomach acid
500
Pouring detergent down the kitchen sink
not pollution
500
What does the B in BP stand for (the P is petroleum)
British
500
This part of the water treatment process used in waste water treatment and our own filters uses rocks and pebbles to clean water
trickling filters