Pollution that comes from an single identifiable source is called
Point source pollution
What is an area of land that all drains into the same body of water called?
Watershed
What is the watershed you are currently standing in?
James River
When sediment moves from one place to another, usually carried by wind or water
Erosion
the line or ridge that separates neighboring drainage basins
Divide or watershed divide
An oil pipe spilling directly into the ocean is an example of what type of pollution?
(point or non-point)
Point Source Pollution
The small river that feeds into a larger river is a _____________________
A tributary
Which 3 major bodies of water does our state drain into?
Chesapeake Bay, Mississippi River (to Gulf of Mexico), NC Sounds
Pollutants from rainwater dissolve minerals in rock as an example of this kind of weather
Chemical weathering
An underground formation that contains groundwater
Aquifer
The biggest source of chemicals that lead to acid rain is:
a. sewage treatment plants
b. burning fossil fuels
c. leaky septic tanks
d. Trash in the ocean
B. burning fossil fuels
Another name for a watershed is what?
Drainage Basin
What is the larger watershed that the James River watershed is a part of?
Chesapeake Bay Watershed
What is the material that is created when weathering is totally successful?
Sediments
Name something that would cause the water table to drop LOWER
Pumping out and extracting too much water
or
Droughts
The large amounts of nutrients in the water causes excess algae to grow then die off which leads to ___ levels in the bays.
a. high oxygen b. high carbon
c. low oxygen d. low carbon
c. low oxygen
What force causes the flow of water in a certain direction
GRAVITY
Where most watersheds end up
The ocean
What are 4 elements that cause weathering and erosion?
Wind, water, ice, and gravity.
Name a permeable rock
Limestone, sandstone, gravel, sand
Give a reason why SEDIMENT pollution is harmful to an ecosystem
Cloudy water blocks sunlight
Fills in spaces where aquatic creatures live or lay eggs (damaging habitats)
clogs gills of fish
lowers dissolved oxygen
What part of the water cycle is involved in the formation of clouds?
Condensation
True or False: All the rivers in the US are connected to each other.
False
What region of our state is best known for the chemical weathering that occurs here?
Valley & Ridge (Karst Topography!)
What do we call an area of useable groundwater sandwiched between two impermeable layers?