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'Puff mobiles' provide physics lesson
Fifth graders Hunter Sauls and Noah Waters look to see how far their puff mobiles made it during a Sept. 17 physics lesson at Liberty Elementary. - photo by Photo provided.
Liberty Elementary fifth-graders made puff mobiles during a Sept. 17 physics lesson. The lesson was the first of four conducted by the Savannah Coastal Empire Section of the Society of Women Engineers as part of an outreach project.
The lessons, which are every nine weeks, provide hands-on activities for the students to learn about engineering and other applications of math and science. The puff mobile event focused on design and application of physics. The small vehicles were made from everyday materials and powered with puffs of air. Students learned about friction and drag and applied the concepts to the design of their vehicles.  
Each class raced their puff mobiles and the winners raced again to determine an overall winner. The winner, Markel Dobbins, said, “I like that we got to create our own car. I think this activity will help us on the CRCT.”
Engineers from the area volunteered to help with the lesson.
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