Serrano, Elena L.2015-08-062015-08-062011http://hdl.handle.net/10919/55837This is a lesson plan that explores different inventions and their impacts on physical activity.4 pagesapplication/pdfenVirginia Cooperative Extension materials are available for public use, re-print, or citation without further permission, provided the use includes credit to the author and to Virginia Cooperative Extension, Virginia Tech, and Virginia State University.4-H Food, Nutrition, & HealthHealthy Weights for Healthy Kids, Smart Activities Lesson, Experience: Laborsaving DevicesSmart Activities Lesson, Experience: Laborsaving DevicesExtension publicationhttp://pubs.ext.vt.edu/349/349-001/349-001_pdf.pdf4-H clubsChildrenPhysical activityHealthLesson plans