APPLYING THE SCIENTIFIC METHOD The following presentation will walk you through the all of the steps involved in the systematic way of problem solving used by scientists known as the scientific method. The basic steps of the scientific method were applied to “The Chewing Gum Lab.”

TITLE: THE CHEWING GUM LAB

Research “Gum chewing dates back to ancient civilizations. Ancient Greeks chewed mastic tree resin, and American Indians chewed gum made from spruce tree resin. This gum was eventually replaced by paraffin wax gum. Today’s chewing gums are made mostly of synthetic materials.” Launched in 1984, Extra was Wrigley's first sugar free gum offering in the U.S. Extra gum is known for its incredible, long-lasting flavors. Extra is also available in a variety of distinctive gum flavors. 5 is a brand of sugar-free chewing gum that is manufactured by the Wrigley Company. The name "5" hints at the five human senses (with the ad slogan "Stimulate Your Senses" and "Everybody Experiences it Differently"). 5 gum was introduced to United States markets in March 2007.

PROBLEM: WHICH BRAND OF CHEWING GUM HAS THE LONGEST LASTING FLAVOR?

HYPOTHESIS: Based on your observations, make a guess which flavor will last the longest. Good Hypothesis: “If _____[this happens] _____, then _____[this]_____ will happen.”

Good Hypothesis: “If both brands of gum are chewed for 5 minutes, then Brand ____ flavor will last the longest.”

MATERIALS: 5 Gum Extra Gum Wax Paper Timer/Clock Related lab/data worksheets Pencil Notebook

PROCEDURE: Experiment: Each group will have a 1)Time keeper 2)Recorder 3)Gum chewer 4)Presenter The Time keeper will start the timer the same time the Gum chewer puts Brand A in their mouth. The Time keeper will tell you when each minute passes so the Gum chewer can tell the recorder how the gum is rating. The Recorder will use the hand out and rate the flavor using the “Flavor Rating Scale.” Repeat the experiment with Brand B. Then compare the data. Scientific Method Example

DATA: Please see attached lab results and graph. time 5 extra trident juicy fruit

CONCLUSION: My hypothesis was proved/disproved through experimentation… Some factors that could have affected the results of my experiment are… By performing The Chewing Gum Lab and applying the steps of the scientific method, I learned that…

Creating Your Display Board! Hypothesis What do you think will happen? Materials List what you need to complete the experiment. Procedures Steps of Experiment Title Data—Pictures Results of Experiment Results Charts/Graphs Conclusion Was your Hypothesis correct?

Checklist A checklist will be given to each student to follow while completing each step of their experiment. Science Experiment Checklist

Rubric The teacher will assess the student’s log book at the end of the science experiment using the following Rubric. Scientific Report Rubric