Lesson Summary Students design and construct a rolling cart, using common construction materials. Teacher Background Students will be engineers in this investigation, coming up with Go-Cart designs that will perform the task of free-rolling down a ramp. Set-up/Management Tips Assemble material bags ahead of time. Students should work in partners or groups of three. Have pliers on hand. Literacy Support Books Available Through VAST Mediagraphies: (see Literacy Links) Science Stories Early Autos Scientific Vocabulary The following words are key vocabulary words that will be introduced in this lesson and reinforced throughout the unit: Design Engineer