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Using an inquiry-based approach, high school students combine nutrition, physics, exercise biology or biomechanics by calculating their bodyÂs work expenditure and determining its relationship to caloric intake. Prior knowlede for this lesson includes an introduction to NewtonÂs second law of motion (F=ma), work as energy (W=Fd), food calories (in energy units), basic algebra, understanding of the steps of the scientific method, metric system unit measurements, reading and writing skills. Upon completion of this activity, students will be able to calculate work (in joules) performed using their body weight. This teaching resource was developed by a K-12 science teacher in the American Physiological SocietyÂs 2007 Frontiers in Physiology Program. For more information on this program, please visit www.frontiersinphys.org.
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