a few raw eggs (expect some to break during crash tests).A guiding worksheet and pre/post-quiz are included. They make calculations and look for relationships between car mass, speed, momentum and the amount of crash damage. They run the prototypes down ramps into walls, collecting distance and time data, slo-mo video of their crash tests, and damage observations. With a raw egg as the test passenger, teams use teacher-provided building materials to add their own safety features onto either a small-size wooden car kit or their own model cars created from scratch.
They are challenged to design or improve an existing passenger compartment design/feature so that it better withstands front-end collisions, protecting riders from injury and resulting in minimal vehicle structural damage. How does mass affect momentum in a head-on collision? Students explore this question and experience the open-ended engineering design process as if they are the next-generation engineers working on the next big safety feature for passenger vehicles.
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