Hands-On Force & Motion Engineering Design Project | Differentiated STEM Notebook | NGSS + Florida BEST Aligned Looking for a high-engagement STEM activity that reaches ALL learners while saving you planning time? This Balloon Car Engineering Challenge allows students to design, build, test, and improve a balloon-powered car while learning real engineering concepts, force and motion, and problem-solving skills. This resource includes a complete student engineering notebook, teacher guide, dif