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The Gray Area is a place where an environmental mystery is unfolding. Students from Team 7-4 at [|Nagel Middle School] in Cincinnati, Ohio, who have assumed the role of a detective, Detectives are attempting to find out who is responsible for killing 5,000 fish over the last 5 years.

Suspects and facts will be made public during the month of November, 2007. Detectives, upon successful completion of the "Bar" exam, will be given the permission to practice law in the Gray Area Clerk of Courts. Lawyers will present their opinions to a judge and jury. Gray Area detectives and lawyers take full responsibility for the content of this wiki and they will solely use this wiki to prepare for their day in court. Court schedules will be made upon publication of all facts to this case.

Evidence released from the Gray Area is updated on a daily basis. Detectives must decide throughout the case if the evidence is linked to the suspects. You will find a list of suspects on the left-hand margin. A list of current evidence is provided below:

Air Pollution (2) - Gasoline (3) Oil (3) pH Scale ( 4) Acidity (2) Basic (4) Neutral (4) Buffer (4) - Nitric Acid Rain (3) Sulfuric Acid Rain ( 2) Water Cycle (2)

Bioaccumulation (5) BIOINDICATORS (5) Biological Tests (5) Chemical Spills (3) Chemical Tests (6) Chlorine (6) Daphnia (6) Phosphates (6) Sampling (population statistics) (5)

Sediment Files
Erosion (effects on fish and other aquatic organisms) (10) Sediment (10) Turbidity (10)

**Deer Lion Files**
Overpopulation (7) Carrying Capacity (7) Limiting Factor (7) Predator (8) Prey (8) Food Chain (8) Food Web (8) Immigration (9c) Emmigration (9d) Producer (9a) Consumer (9a) Birth Rate (9b) Death Rate (9b)

Algal Bloom (10) Dissolved Oxygen (7)
 * James Pond Files**