Shared Flashcard Set

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Meck
Chesepeake Watershed
29
Science
7th Grade
09/06/2013

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Cards

Term
Observe
Definition
to look at
Term
Infer
Definition
to guess/think
Term
Watershed
Definition
an area where all water drains into one body of water
Term
Stormwater/runoff
Definition
rain that hits the ground but doesn't sink in right away
Term
Surface water
Definition
Water above ground
Term
groundwater
Definition
water underground
Term
erosion
Definition
sediment/dirt is moved by wind/water
Term
sediment
Definition
dirt
Term
esturary
Definition
a body of water where fresh/saltwater mix
Term
tributary
Definition
body of water that enters into a larger body of water
Term
impervious surface
Definition
where water can't penetrate
Term
retention pond
Definition
a man made pond
Term
3 definitions
Definition
Traps sediment Traps stormwater and allows to sink into ground Prevents stormwater to prevent erosion
Term
Point souces pollution
Definition
type of pollution easy to see
Term
example for point source
Definition
smokestacks and pipes from industry
Term
True or False
Definition
Point sources pollution is harder to regulate
Term
Non point source
Definition
pollution not easy to see
Term
example of non point sources
Definition
fertilizers, pesticides, oil and trash
Term
True or False
it is harder to find non point sources
Definition
True
Term
Acid rain
Definition
made by air chemicals and water droplets
Term
fertilizers
Definition
causes an abundance of algae
Term
garbage
Definition
destroys habitats
Term
sediment
Definition
covers fish eggs + underwater grasses + oyster bars
Term
turbidity
Definition
cloudiness of water
Term
Salinity
Definition
Salinity refers to the amount of salt contained in a given sample of water.
Term
How is it measured
Definition
Salinity is measured in in PPT. Parts Per Thousand
Term
What are the three factorst effect salinity
Definition
location, time of year, depth of water
Term
Where are the salinity levels lowest in the bay
Definition
just below the powerful freshwater, upper bay closer to surface
Term
The salinity levels can determine what about organisms
Definition
The salinity levels can determine the fish species and what freshwater or saltwater they live in
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