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CSEF · 2008 Product Science (Physical) (Junior Division Only)

Ryan M. Howes · Rio Bravo-Greeley School, Bakersfield, Kern County

Overview

Objectives/Goals The purpose of my project was to determine which resealable bag could withstand the most pressure without breaking. I predicted that Glad Zipper Bags would perform the best in my experiment. Methods/Materials The experiment involved combining vinegar, water, and baking soda to form a chemical reaction that would test the strength of each brand of reclosable bags. The bags were labeled and then the same combination of baking soda, water and vinegar was added to each of the bags. They were sealed, shook, and the results recorded. The experiment was repeated three times for each of the bags to be tested. Results Of the five resealable bags tested, the Vons/Safeway store brand withstood the most pressure without breaking or the seal opening. Conclusions/Discussion The Vons/Safeway resealable sandwich bags consistently preformed better than the other bags tested. It would be the brand to use when strength is needed

Summary statement

The purpose of my project was to determine which brand of resealable sandwich bags could withstand the most pressure.

Help received

My mother took pictures for the project board and journal.

Competition history

  • CSEF 2008 Product Science (Physical) (Junior Division Only) · Entry J1915

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Source: California Science & Engineering Fair public projects

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