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This column provides an inside look at the marvels of engineering in everyday life. In this issue, the origins of the sealable plastic bag are explored.
A selection from Science Scope—Summer 2011
This article has a fun engineering activity. After exploring various types of zip bags, students try to invent one of their own. They are doing processes just like engineers do in the workplace.
Betty Paulsell (Kansas City, MO)
Like other articles in this series, the reader is given a fully explained 5E Model incorporating the everyday plastic zip lock bag that we put our sandwiches and such in. Developed from the idea of zipper in clothing you learn the history behind this common household item. Engineering is the glue that connects science with society and this is a neat and inexpensive activity for students.
Adah (San Antonio, TX)
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