100+ Gum timer PowerPoint (PPT) Presentations, Gum timer PPTs

Gum timer - PowerPoint PPT Presentation

Science Fair

Science Fair. Big Question. The purpose of my experiment was to find which gum type lasts the longest. The reason I did this experiment is because my family chews a lot of gum so I wanted to see what type was best. Hypothesis. My hypothesis was that Juicy Fruit would last the longest.

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Gum timer - PowerPoint PPT Presentation

Science Fair