Halloween STEM Challenge: Rube Goldberg Ghost Catcher | Engineering Design Process ActivityEngage your students with a spooky, hands-on Halloween STEM challenge! In this activity, students become engineers for the day as they design a Rube Goldberg-style contraption to catch a ghost using simple, everyday classroom materials. Perfect for middle school science, STEM, and design thinking lessons, this challenge emphasizes critical thinking, creativity, and the full Engineering Design Process. W