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Evans
Chesapeake Bay watershed
43
Science
7th Grade
09/05/2013

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Cards

Term
observe
Definition
to look at
Term
infer
Definition
to guess
Term
watershed
Definition
an area where all water drains into 1 body of water
Term
stormwater/runoff
Definition
rain that hits ground but dosen't sink right away
Term
surface water
Definition
water above ground
Term
ground water
Definition
water underground
Term
erosion
Definition
dirt is moved wind and water
Term
sediment
Definition
dirt
Term
estuary
Definition
a body of water where fresh and salt mix
Term
tributary
Definition
water that empties into a larger body of water
Term
impervious surface
Definition
water can't penatrate
Term
sediment barrier
Definition
prevents sediment from moving
Term
retention pond
Definition
man made pond to hold stormwater
Term
3 purposes of retention pond
Definition
traps storm water, traps sediment, prevents stormwater from rushing into streams
Term
Is the Chesapeake bay watershed 64,000 square miles?
Definition
true or false
Term
Is it the biggest estuary?
Definition
true or false
Term
What is the main river is it the jones falls?
Definition
true or false
Term
Is the Chesapeake the biggest estuary?
Definition
no
Term
Did a meteorite hit the ocean?
Definition
half and half
Term
What does Chesapeake mean?
Definition
Great shellfish bay
Term
what exploer explored the Chesapeake?
Definition
john smith
Term
How long is the Chesapeake bay watershed?
Definition
64,000 miles
Term
What are the Chesapeake bay watersheds boundaries?
Definition
PA NY DEL MD VA WV
Term
What type of water is brackish water mixed with?
Definition
fresh and salt
Term
point source pollution
Definition
easy to see source
Term
examples point source
Definition
smoke stacks, and pipes from industries
Term
true or false
Definition
point source pollution is easier or harder to regulate
Term
non- point source pollution
Definition
hard to see source
Term
examples of non-point
Definition
fertillizers, pesticides, oil, trash, nutrients
Term
true or false
Definition
is non-point easier or harder to regulate
Term
acid rain
Definition
Chemicals and water droplets mixed
Term
fertillizer
Definition
creates too much algae
Term
garbage
Definition
destroys habitat
Term
sediment
Definition
smothers fish eggs and oyster bars
Term
turbitary
Definition
cloudiness of water
Term
types of pollution in Ch. bay
Definition
A)acid rain
B)fertillizer
C)garbage
d)sediment
Term
What is salinity?
Definition
Salinity is the amount of salt contained in a given sample of water.
Term
How is it measured?
Definition
Salinity is measured by ppt parts per thousand.
Term
What is the range of the salinity in the bay?
Definition
The range is like 1-29 ppt.
Term
What are the factors that effect salinity?
Definition
They are location, time of year, and depth of the water.
Term
Wher are the lowest salinity levels in the bay?
Definition
They are in the upper rivers and shallow waters.
Term
The salinity levels can determine what about organisms
Definition
The salinity in the bay at a given location to a large extent.
Term
True or false
Definition
Is salt water heavier than fresh?
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