Envirothon 3 Flashcards
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Title: Envirothon 3
Description: Water Pollution
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Total Flash Cards: 30
Created: 01/03/2011 16:52:01
Additional Environmental Studies Flashcards
Cards in this set:
Term
Definition
How many stream and river does Pennsylvania
have?
Term
>83,000 miles
Definition
How many lakes are in Pennsylvania?
Term
How many species of fish are in Pennsylvania?
About 4,000
Definition
About 120
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Envirothon 3 Flashcards
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Term
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Definition
How many water insects species are in
Pennsylvania?
Term
Nearly 1,000
Definition
How many species of claims and mussels are
there in Pennsylvania?
Term
38
Definition
How much money for water recreation is spent
each year in Pennsylvania?
Term
>$1.34 billion
Definition
What percentage of Pennsylvania's streams and
rivers have been surveyed to assess water
quality?
Term
Within the range of tolerance, is a range of what?
43%
Definition
Ideal range
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Envirothon 3 Flashcards
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Term
Definition
What is DO. Explain.
Term
Dissolved oxygen. Oxygen that has been
dissolved into water.
Definition
What is pH?
Term
The measurement of hydrogen ions on the scale
of 1 to 14 (with 1 being the most acidic and 14
being the most basic).
Definition
If there is a change of 1 pH level, how much does
the acidity change? What if the pH changed by 2?
Term
10-fold. 100-fold.
Definition
What is 1 drop of chocolate in 16 gallons of milk
equal to?
Term
1 ppm.
Definition
True or false: If the pH is as out of the fish's
tolerance range by just 1 ppm., it could still
survive.
False. The fish would die.
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Envirothon 3 Flashcards
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Term
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Definition
Fish have ____ ________ temperature
requirements.
Term
very specific
Definition
True or false: Rapid changes in temperature can
kill fish.
Term
True.
Definition
Why do some fish depend on DO for their oxygen?
Term
Because they can't get the molecules though
normal H2O.
Definition
Why do fish need go shelter/habitat?
Term
To hide from predators, place to take a rest from
the tide, food.
Definition
What are the two major kinds of pollution?
Agriculture runoff and abandoned mine
drainage(AMD).
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Envirothon 3 Flashcards
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Term
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Definition
What is the general order of links to the food
chain?
Term
Plants, plankton, invertebrate, small fish, large
fish, large predator.
Definition
What is agriculture runoff?
Term
When the rain (or melting snow) carries soil,
pesticides, and fertilizers into nearby waters,
polluting it.
Definition
Does cloudy water take more or less sunlight than
clear water?
Term
More.
Definition
What is silt on the bottom of a stream called?
Term
Does water that has been affected by agriculture
runoff have a higher or lower DO than that river or
stream would have without agriculture runoff?
Sediment.
Definition
Lower. This effect can kill fish.
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Envirothon 3 Flashcards
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Term
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Definition
What is abandoned mine drainage (AMD)?
Term
Runoff pollution from abandoned mines.
Definition
How does acidity harm fish?
Term
Damages gills, decreases sodium in fishes blood,
kills eggs and young.
Definition
How does acid rain form?
Term
When the cloud's moisture mixes with sulfur or
nitrogen in the air.
Definition
Does acid rain lower or higher the level of pH in
water?
Term
Before you can do anything that may harm waters
of Pennsylvania, you must get a _______?
Lowers.
Definition
Permit.
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Envirothon 3 Flashcards
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Term
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Definition
How many permit applications does the Fish &
Boating Commission get in a year?
Term
>1,500
Definition
How much in fines has the Fish & Boating
Commission collected in 1999?
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>$300,000
Links ·
10/14/2011 12:40 PM