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Arbaugh
Chesapeake bay watershed
61
Science
7th Grade
09/03/2013

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Cards

Term
observe
Definition
to use your senses
Term
infer
Definition
to assume based on prior knowledge
Term
watershed
Definition
the area from which the water comes from and empties into a larger body of water
Term
stormwater/run-off
Definition
water that flows until it reaches a drainage pipe
Term
surface water
Definition
found in lakes/streams
Term
groundwater
Definition
water underground
Term
erosion
Definition
sediment moved by water and wind
Term
sediment
Definition
dirt
Term
estuary
Definition
where salt and fresh water mix
Term
tributary
Definition
a body of water that empties into a larger body of water
Term
impervois
Definition
water can't penitrate
Term
retention pond
Definition
man made pond for storm water
Term
sediment barrier
Definition
blocks sediment
Term
The porpuse of a retension pond
Definition
traps sediment
traps storm water
prevents stormwater from draining into lakes or streams
Term
TF
water can go through something impervious
Definition
False
Term
TF
run-off sinks into the ground with no problem
Definition
False
Term
TF
I live the in Chesapeake Bay watershed
Definition
True
Term
Nations largest estuary
Definition
The Chesapeake Bay
Term
How was the bay made
Definition
A meteorite hit the bay or when the last glaciers melted they flooded Susquehanna river valley
Term
Chesapeake means
Definition
Great shellfish bay
Term
Captian John Smith
Definition
Explored the Chesapeake in the early 1600's
Term
Chesapeakes water shed is blank sq. miles
Definition
64,000
Term
states in the Chesapeake watershed
Definition
New York, Pennsylvania, Delaware, Maryland, West Virginia, Virginia
Term
Water in the Chesapeake is called what
Definition
brackish water
Term
point source pollution
Definition
pollution source that is easy to see
Term
examples of point source pollution
Definition
smoke stacks and pipes from IND. plants
Term
Is point source easy to regulate T/F
Definition
True
Term
non-point source pollution
Definition
harder to find
Term
is non-point source pollution easy to regulate T/F
Definition
False
Term
examples of non-point source pollution
Definition
fertilizers and pesticides
Term
types of pollution in the (C. Bay)
Definition
acid rain, fertilizers, garbage, sediment
Term
acid rain
Definition
water droplets combined with chemicals
Term
fertilizers
Definition
algae overgrowth
Term
garbage
Definition
destroys habatat
Term
sediment
Definition
smothers fish eggs/oyster beds
Term
turbidity
Definition
the cloudiness of water
Term
Functions of a marsh
Definition
theyprevent flooding, provide food and shelter, and clean the water quality
Term
How does a marsh filter water
Definition
the plants trap sediment and trash, plants suck up polutants
Term
How does a marsh minimise erosion
Definition
the plants roots keep dirt in place and the waves slow down
Term
list features found in a marsh
Definition
plants, fish, crabs, birds, plants, trash, sticks, and shallow water
Term
What is salinity
Definition
salinity is the amount of salt in a given area of water
Term
How is salinity measured
Definition
salinity is measured in ppt. parts per thousand
Term
Range of salinity in the chesapeake bay
Definition
1-29 ppt.
Term
What 3 factors can change salinity
Definition
location, time of year, water depth
Term
where are the salinity levels lowest in the bay
Definition
under the susquehanna
Term
silinity levels determine what about organisms
Definition
if they are fresh or saltwater animals
Term
the salt water is heavier that fresh water T/F
Definition
true
Term
salinity is higher near the bays mouth T/F
Definition
true
Term
salt water sits on the top of the water T/F
Definition
false
Term
the susquehanna is salt water T/F
Definition
false
Term
the middle of the bay is brackish water T/F
Definition
true
Term
The bay is the nations largest estuary T/F
Definition
true
Term
brackish water is very uninhabited by animals T/F
Definition
false
Term
The C and D canal is near the mouth of the bay
Definition
false
Term
the James river is above the York river T/F
Definition
false
Term
ppt stands for parts per thousand T/F
Definition
true
Term
the average ppt. in the bay is 2 ppts. T/F
Definition
false
Term
the bays oyster population is great T/F
Definition
false
Term
the marshes of the bay are being replanted T/F
Definition
trues
Term
trash from Saint Pauls School cound never make it to the bay T/F
Definition
false
Term
the bays animal population is under major harvesting pressure T/F
Definition
true
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