The Water Cycle
Surface Water
Groundwater
Water Quality
Oceans
100
What is it called when water escapes from the holes in the leaves of a plant?
Transpiration
100
A ______ is a semi-enclosed area where fresh water from a river meets salty water from the sea. 
Estuary
100
The water found in cracks and pores in sand, gravel and rocks below the earth's surface is referred to as _______.
groundwater
100
Discharge entering a stream at a specific, detectable point such as a pipe is referred to as what?
point source pollution
100
What 2 things affects the density of ocean water?
temperature and salinity
200
What does water have to do to become groundwater?
Infiltrate through the ground
200
A _______ is all the land drained by a river stream or lake.
watershed
200
What is the term for a porous rock layer underground that is a reservoir for water?
aquifer
200
Give an example of a nonpoint source pollution.
This type of pollution includes pesticides and fertilizer from yards and fields, human and animal waste, eroded sediments, oil and chemicals on streets and parking lots as well as chemicals or particles in the air that eventually "rain down" on land
200
Why are coastal regions cooler in the summer and warmer in the winter than inland locations?
the heat capacity of the ocean
300
What two stages of the water cycle are driven by solar radiation?
Transpiration and evaporation
300
This term refers to all the plants and trees surrounding a river or stream
vegetative buffer
300
How do we get groundwater?
From a well
300
What does "potable" water mean?
safe to drink
300
Where does the sun heat the ocean water the most?
At the equator
400
Which stage of the water cycle requires water to give off heat?
Condensation
400
How many river basins does NC have?
17
400
How is an artesian well different from most wells?
In an artesian well, water rises on its own, instead of being pumped.
400
Name one negative effect of a dam.
Nutrients are cut from flood plain, can cut migration patterns of fish
400
Which way do ocean currents move in the Northern Hemisphere?
clockwise
500
Name two of the four processes in the water cycle that are driven by the force of gravity.
precipitation, runoff, infiltration, groundwater flow
500
What is considered a "wetland"?
an area where the water table is at, near, or above the land surface long enough during the year to support the growth of specially adapted plants
500
What is the area where groundwater resides called?
zone of saturation
500
Name the steps of a wastewater treatment plant in order.
filters, clarifiers, oxidation, chlorination
500
What causes sea levels to rise?
Ice/glaciers melting from global warming
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