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Paper clip experiment Purpose: Determine whether small paper clips fail more easily than large paper clips Deliverable: A clear plot that shows the results.

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Presentation on theme: "Paper clip experiment Purpose: Determine whether small paper clips fail more easily than large paper clips Deliverable: A clear plot that shows the results."— Presentation transcript:

1 Paper clip experiment Purpose: Determine whether small paper clips fail more easily than large paper clips Deliverable: A clear plot that shows the results of your experiment

2 Form a group of four Fast please

3 Use 2 large and 2 regular clips
Use your notebook to record methods and data

4 Experiment Design DO NOT BREAK ANY CLIPS YET!!
Independent variable: Type of clip (large or small) Dependent variable: Number of cycles to fracture Confounding variables: Cycle method, different people, … DO NOT BREAK ANY CLIPS YET!!

5 METHODS Develop a consistent method to bend your clips, both sizes, back and forth until they break while counting bend cycles. Use one clip to develop the methods DO NOT BREAK ANY CLIPS YET!!

6 DO NOT BREAK ANY CLIPS YET!!
Names of team members, block capitals Your plot that provides the evidence to support the conclusion goes here: scatter? bar?, line? pie? means? std dev? Descriptive title goes here. It states the conclusion. Fat dots DO NOT BREAK ANY CLIPS YET!!

7 Data Results Plot DO NOT BREAK ANY CLIPS YET!!
Think about how to show data scatter Think about the best way to demonstrate your conclusion based on the data Develop a prototype plot in your notebook DO NOT BREAK ANY CLIPS YET!!

8 TO REVIEW DO NOT BREAK ANY CLIPS YET!!
Deliverable = clear, hand-drawn plot that shows effect of clip size on fatigue failure. Keep track of time so that you are not rushed in creating the deliverable. Plot in pile down front when clock reaches 0:00. Clean up your mess when done. Thanks. DO NOT BREAK ANY CLIPS YET!!

9 Collect your data & create your plot
Deliver plot before 0:00 on the timer One plot per group Clean up your paper clip pieces

10 Post project reflection
Results what you expected? Is difference clear? Is difference statistically significant? Happy with your method? Was your method person dependent? Is your plot clear? Trade plots with another group


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