In this article, the authors share how model lessons spaced throughout the year, connected by a single anchoring phenomenon, provided opportunities for teachers to build schema for complex science learning as they shifted between "learner hats" and "teacher hats." Descriptions of the authors' workshop sessions include…

In this article, the authors present a 5E learning cycle for fifth grade that focuses on using a model of matter to explain the properties they observe, and how those properties can help identify whether two objects are made of the same type of matter. That model also helps explain phenomena such as why a specific material floats, no matter how…