This type of water is found in lakes, rivers, streams, and wetlands.
What is surface water?
100
What are the three major uses of water?
What are residential use, agricultural use, and industrial use?
100
This type of pollution comes from many types of sources that are often difficult to identify.
What is nonpoint -source pollution?
100
Temperature increase in a body of water that is caused by human activity.
What is thermal pollution?
100
Pollution discharges from a single source. Example: gasoline tank.
What is point source pollution?
200
This is a flowing network of water.
What is a river system?
200
This includes both physical and chemical treatment methods that include filtration, chlorination, and aeration.
What is drinking-water treatment?
200
This is a type of pollution that consists of disease-causing organisms such as bacteria or parasitic worms.
What is a pathogen?
200
37 million gallons of this finds its way into the ocean each year.
DOUBLE JEOPARDY!
What is oil pollution?
200
Land that drains into a river.
What is a watershed?
300
The ability of rock or sediment to let fluids flow through open spaces.
What is permeable?
300
A body of rock or sediment that holds ground water and allows it to flow.
DOUBLE-JEOPARDY!
What is an aquifer?
300
This is a product of wastewater treatment which is solid and contains dangerous concentrations of toxic chemicals.
What is sewage sludge or sludge?
300
When polluted surface water percolates down.
What is ground-water pollution?
300
Phosphates in laundry detergent contribute to this process that increases the amount of nutrients in a body of water.
What is eutrophication or artificial eutrophication?
400
Starting with precipitation, name the three steps of the water cycle in order.
What are precipitation, evaporation, and condensation?
400
This type of system offers a promising step toward conserving water from evaporation, seepage, and runoff; by delivering small amounts of water directly to the plants root.
What is a drip irrigation system?
400
This act set a national goal of making all natural surface water fit for fishing and swimming.
What is the Clean Water Act?
400
Water that contains waste from homes or industries and is treated to make it clean enough to return to a river or a lake.
What is wastewater?
400
This is an area above an aquifer where water will percolate.
What is a recharge zone?
500
We use wells to gain access to what type of water?
What is gound water?
500
This is the amount of water used by the average American per day.
What is 80 gallons?
500
This process has alarming consequences which allows pollutants to build up at high levels in the food chain.
What is biomagnification?
500
This is the process of removing salt from water to make it potable.