Looking for an exciting way to explore energy transformations and gravitational potential energy with your students? This hands-on chain reaction STEM challenge invites students to engineer a bug-trapping Rube Goldberg-style machine using everyday materials—and a whole lot of creativity! Looking for more middle school STEM challenges? Grab the bundle and SAVE!In this engaging project, students apply their understanding of the engineering design process, forces, and energy as they work in tea