NDLI: Polygons and Popsicle Trusses

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Polygons and Popsicle Trusses

Content Provider	TeachEngineering: STEM curriculum for K-12
Author	Vadeen, Maia Zarske, Malinda Coyle, Nathan Sullivan, Ryan Vicksman, Andi Anderson, Russell Schill, Sabina
Copyright Year	2016
Description	Simulating a real-world civil engineering challenge, student teams are tasked to create strong and unique truss structures for a local bridge. They design to address project constraints, including the requirement to incorporate three different polygon shapes, and follow the steps of the engineering design process. Students learn about the role engineers play in designing and building truss structures. Simulating a real-world civil engineering challenge, student teams are tasked to create strong and unique truss structures for a local bridge. They design to address project constraints, including the requirement to incorporate three different polygon shapes, and follow the steps of the engineering design process. They use hot glue and Popsicle sticks to create their small-size bridge prototypes. After compressive load tests, they evaluate their results and redesign for improvement. They collect, graph and analyze before/after measurements of interior angles to investigate shape deformation. A PowerPoint® presentation, design worksheet and data collection sheet are provided. This activity is the final step in a series on polygons and trusses.
Language	English
Access Restriction	Open
Rights Holder	Regents of The University of Colorado
Subject Keyword	Geometry Bridge Testing Real-world Hypothetical Tension Bridge Design Structural Member Strongest Shape Regular Polygon Prototype Triangle Angle Deformation Interior Angle Load Testing Polygon Structural Load Deformation Force Truss Design Compression
Content Type	Text
Time Required	PT2H
Education Level	Class VIII Class IX Class X
Pedagogy	Experimental Activity
Resource Type	Hands-on
Subject	Geometry

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