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Williams
Chespeake Bay Watershed
48
Science
7th Grade
09/09/2013

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Cards

Term
observe
Definition
to use your senses
Term
infer
Definition
to conclude from evidence
Term
watershed
Definition
one body of water
Term
stormwater/run off water
Definition
rain that doesnt sink into the ground
Term
groundwater
Definition
water under ground
Term
erosion
Definition
sediment or dirt moved by water, and wind
Term
sediment
Definition
dirt
Term
estuary
Definition
a body of water where fresh salt water mix
Term
surfacewater
Definition
found in lakes and twuns and streams
Term
tributary
Definition
a body of water that emplies into a larger body of water
Term
rention pound
Definition
man made pond that holds stormwater
Term
sediment barrier
Definition
wall that holds back sediment
Term
impervious surface
Definition
water cannot penatrate sidewalk
Term
functions of a rention pond
Definition
1. traps sediment 2. traps storm water and lets it sink into ground 3. prevents storm water from surrounding streams
Term
True or False?
Definition
Does infer mean to use your five senses ?
Term
True or False?
Definition
Can a erosion be moved by sediment
Term
True or False?
Definition
Is a impervious surface a wall that holds back sediment
Term
Chesapeake Bay
Definition
nations largest estuary
Term
theory's of Chesapeake Bay
Definition
1. meteorite hit lower bay 2. glaciers melted raising see levels
Term
Chesapeake come from the word
Definition
shellfish bay
Term
Captain John Smith
Definition
explored the Chesapeake Bay in the early 1600s
Term
64,000 square mile drainage basic
Definition
stretches from Virginia to New York and from Delaware to West virginia
Term
brackish water
Definition
when fresh water reaches the Chesapeake it mixes with salt water from the Atlantic Ocean to create brackish water.
Term
pollution source
Definition
pollution source easy to see. examples smokestacks, pipes from endustrial plants.
Term
non- point source pollution
Definition
harder to find the source
Term
examples for non point source pollution
Definition
fertilzers, pesticide,oil, trash nutrients
Term
acid rain
Definition
water droplets and chemicals
Term
fertilzers
Definition
too much algae
Term
garbage
Definition
destory's habitat
Term
sediment
Definition
smotherfish egss and oyster bars
Term
turbidity
Definition
the cloudiness of water
Term
salinity
Definition
amount of salt in a given amount of water
Term
How do you measure salinity?
Definition
parts per thousand
Term
The range of salinity in the cheasapeake bay?
Definition
the range is anyhwere from 1 to 29 ppt
Term
the three factorts that effect salinity
Definition
location, time of year and depth of the water.
Term
salinity lowest in the bay
Definition
upper bay just below the powerful freshwater inflow of sesquehana river
Term
What time of year is the bay the freshwater?
Definition
spring
Term
Is saltwater heavier than freshwater
Definition
yes
Term
potomac river
Definition
4
Term
James river
Definition
1
Term
patuxent river
Definition
5
Term
rappannock river
Definition
3
Term
susquehanna river
Definition
7
Term
annapolis
Definition
9
Term
salisubry
Definition
22
Term
norfolk
Definition
21
Term
washington D.c
Definition
15
Term
cape charles
Definition
19
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