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Kenneth A. Parr's Teaching Portfolio
Lessons

Reaching beyond the restrictions of four walls 

Note: Student images are used with parent permission as requested in my letter to parents.

Recycling Lab

Recycling and Conservation
Recycling Lab
Mr. Parr utilizing the garbage dumpster

Power-point presentation (below).

 
Energy Transformation Lab

The Energy Transformation Lab
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Power-point presentation (below).

 
 
Humans Affect Atmosphere Lab

Humans Affect Atmosphere Lab
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Power-point presentation (below).

Example of student's lab report after recording observations (below) during humans affect atmosphere lab: 
 

 Dominique *******

Science 8 

May 26, 2009 

 

Lab Report:  Monitoring air quality at Gary’s baseball stadium

 

The wind speed was obviously low because the flags were not flapping much.  Air pollution was not visible during this inning.  I could tell the sun was beginning to set because the shadows were long.  These are the things I observed in the first inning.

I can tell that the wind diminished in speed even more because the flags practically stopped moving.  Air pollution was also not visible during the second inning.  The sky became darker above the setting sun.  My second inning observations differed from my first inning observations only slightly.

The sun set so low on the horizon that the sun no longer cast a shadow.  Artificial lighting cast the only shadows now.  Darkness continued to increase above the setting sun.  These observations were made in the third inning.

Not only does the artificial lighting cast the only shadows, but this stadium lighting is the only source of light.  The night sky was starless.  Not even the moon was visible.  A starless, pitch black sky could have been a result of the intense artificial stadium lighting shining in our eyes.  If there was any air pollution present, then it may have been to dark to see it.  Fourth inning observations were more difficult to make because of the total darkness.

The tall stadium lights were still the only illumination.  There were still no stars in the night sky, although one student observer claimed to see a single star (or planet).  The bright artificial ballpark lights still made the sky above the lights pitch black.  Fifth inning observations were practically the same as fourth inning observations because of the total darkness.

The tall stadium lights were still the only illumination like in the previous two innings.  There were still no stars in the night sky visible with the naked eye.  Bright artificial ballpark lights still made the sky above the lights pitch black like.  Sixth inning observations were almost the same as fourth and fifth inning observations because of the darkness.

My overall conclusion is that a single example can never prove that something is always true, but it could prove that something is not always true.  Our science class went to U.S. Steel Yard once to monitor air quality.  We did not detect any visible air pollution therefore we cannot prove that it is always true that U.S. Steel pollutes the air.  We can prove however that it is not always true that U.S. Steel always pollutes the air because the day we went to the ball park, we did not see any air pollution.

 

 
 
Weather Patterns Lab

Weather Patterns Lab
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