Wastewater Treatment
Currents
Water Quality
Ocean Zones
Structures of the hydrosphere
200

Water that contains waste and is nonpotable.

What is wastewater?

200

A large stream of moving water that carries water from one part of the ocean to another.

What is a Current?

200

The measure of the health of a water supply.

What is water quality?

200

The uppermost layer of the open ocean zone.

(Usually the first 200 meters depending on water clarity.)

What is The Photic Zone?

200

Large masses of ice that move slowly over land.

What are Glaciers?

400

Waste that sinks to the bottom of a septic tank.

What is sludge?

400

A process in which deep cold water rises to the surface to replace warmer water that has been blown aside by wind.

What is Upwelling?

400

Aquatic creatures that are sensitive to pollution and depend on specific conditions to live.

What are Bio- indicators?

400

The area of the ocean from the low tide line to the end of the continental shelf.

What is the Neritic Zone?

400

Very small bodies of water that fill during high tide then are separated from the ocean during low tide.

What are tide pools?

600

Runoff from streets, parking lots, and building rooftops during rainfall.

What is stormwater?

600

Currents that carry warm water along the surface of the ocean.

What are Surface Currents?

600

A dinoflagellate blamed for harmful algal blooms and fish kills in North Carolina.

What is Pfiesteria?

600

The entire sea floor from shore to shore that starts at the end of the Intertidal Zone and extends across the entire ocean floor.

What is the Benthic Zone?

600

Permanent thick layers of ice/snow coverage.

What are ice sheets?

800

The process in which water is either passed directly into the municipal distribution pipes or is stored in a water tower for later use.

What is distribution?

800

The place where upwelling occurs the most.

What are coastlines?

800

The measure of the degree to which water loses its transparency due to the presence of suspended particles.

What is Turbidity?

800

The seafloor beneath the Open Ocean Zone that extends from the base of one continental slope to the base of the opposite continental slope.

What is the Abyssal Zone?

800

A semi-enclosed area where freshwater from a river meets salty water from the sea.

 What is an estuary?

1000

The process of waste water treatment when chemicals are added to the water that cause sticky flocs to form.

 What is Coagulation?

1000

Currents that carry cold water from the poles toward the equator along the Benthic Zone.

What are Deep Currents?

1000

Compounds that contain nitrogen based polyatomic ion NO3.

What are nitrates?

1000

The region of open sea beyond the edge of the continental shelf that includes the Photic Zone, Dysphotic Zone and the Aphotic Zone.

What is The Pelagic Zone?

1000

Porous rock layer underground that serves as a reservoir for water.

What is an aquifer?