STREAM BUILDER

Go to: http://library.thinkquest.org/05aug/00548/StreamBuilderGame.html.  Your objective is to save all 4,000 Salmon Eggs in this stream.  You must manipulate the river to make it hospitable to the growing eggs.  You will have three trials to accomplish the task.  Record your measurements and results for each trial.  Click reset stream and try again, then go back to Design A for each new trial.  For your results mark: + very well, - could improve, and ? lots of improvement.  

 

 

                                                Trial 1                          Trial 2                          Trial 3             

                                                Measurement  Results                               Measurement  Results                               Measurement  Results

Large Woody Debris                _______  _______      _______  _______      _______  _______

      (# of clicks)                                                                                               

 

Vegetation                                _______  _______      _______  _______      _______  _______

 (# of clicks)

 

Stream Depth                           _______  _______      _______  _______      _______  _______

      (cm)          

 

Stream Bed-Sand                     _______  _______      _______  _______      _______  _______

      (%)

 

Stream Bed-Gravel                   _______  _______      _______  _______      _______  _______

       (%)

 

Stream Bed-Pebbles                 _______  _______      _______  _______      _______  _______

        (%)

 

Toxins                                      _______  _______      _______  _______      _______  _______

(parts/mill.)

 

Solids-turbitidy             _______  _______      _______  _______      _______  _______

      (%)

 

Current Speed                          _______  _______      _______  _______      _______  _______

   (cm/second)

 

Water Temperature                  _______  _______      _______  _______      _______  _______

      (Celsius)

 

Dissolved Oxygen                     _______  _______      _______  _______      _______  _______

  (mg/litre)        

 

# of Salmon Eggs Survived       _______  _______      _______  _______      _______  _______