Grade Level: Upper Elementary – Middle SchoolSubject Areas: Science, STEM, EngineeringTime Required: 45–60 minutes Lesson Overview In this hands-on STEM lesson, students investigate how different design variables affect motion and flight by experimenting with paper helicopters. Through testing, observing, and data collection, students learn how trajectory, spin, stability, and descent time are influenced by designContinue reading “Paper Helicopter STEM Lesson: Exploring Motion & Variables”