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Andrews
chesapeake bay watershed
41
Science
7th Grade
09/03/2013

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Cards

Term
observe
Definition
using your senses
Term
infer
Definition
making a guess using your prior knowledge
Term
watershed
Definition
an area where all water drains into 1 body of water
Term
stormwater/run-off
Definition
rain that hits ground but dosent sink in right away
Term
surface water
Definition
water above ground (lakes, streams, rivers oceans)
Term
groundwater
Definition
water underground
Term
erosion
Definition
sediment/dirt is moved with wind and water
Term
sediment
Definition
dirt
Term
estuary
Definition
a body of water where fresh water and salt water mix
Term
tributary
Definition
a body of water that empties into a larger body of water
Term
Sediment barrier
Definition
Prevents sediment from moving
Term
Retention pond
Definition
Man made pond to hold storm water

Prevents storm water from rushing into streams and causing erosion
Traps sediment
Allaws water to sink in the ground
Term
impervios surface
Definition
surface that wter cant penatrate
Term
you can penatrate a impervious surface
Definition
false
Term
you use your senses when you observe
Definition
true
Term
stom water is another name for runn-off
Definition
true
Term
Who discovered the chesapeake bay
Definition
Captin John Smith
Term
What does chesapeake mean
Definition
It means great shellfish bay
Term
How big is the chesapeake bay watershed
Definition
64,000 square miles
Term
What states are in the chesapeake bay watershed
Definition
Pennsylvania,Virginia,West Virginia,Maryland,Delaware,New York
Term
Whats one way they think the chesapeake bay formed
Definition
A huge iceburg melted
Term
Whats another way they think it was created
Definition
A meterite hit
Term
point source solution
Definition
poluttion source that is easy to see
Term
examples of point source pollution
Definition
smokestacks, pipes, from factories
Term
true or false, is it easier to clean up or control
Definition
true
Term
non source pollution
Definition
not easy to see
Term
examples of non source pollution
Definition
fertilizers, pestisides and oils
Term
true or false non source pollution is easy to clean up
Definition
false
Term
what are the types of pollution
Definition
acid rain, fertilizers, garbage, sediment
Term
acid rain
Definition
chemicals and water droplets
Term
fetilizers
Definition
creates to much alge
Term
garbge
Definition
destroys habitats
Term
sediment
Definition
smothers fish eggs
Term
turbidity
Definition
cloudiness in the water
Term
salinity
Definition
the amount of salt contained in a given sample of water
Term
how is salinity measured
Definition
in parts per thousand (ppt)
Term
is it true or false that the range of the chesapeske 1-29 ppt
Definition
true
Term
what are the three factors of salinity
Definition
time of year
the depth of the water
rainfall
Term
is salt water heavier then freashwater
Definition
yes it is
Term
what part of the bay is the salinity levels the lowest
Definition
near the susquhanna river
Term
can the salinity levels determine what species live their
Definition
yes
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