This article describes a lesson in which fourth-grade students create a habitat for terrapins while reducing erosion. A client and their needs were presented to the students: The city purchased a piece of shoreline on the bay previously owned by a private company. The company had started to develop the land, exposing soil up to the water's edge.…

The nature of science (NOS) describes what science is and how knowledge in science is developed (NSTA 2013). To develop elementary students' understandings of how scientists explore the world, the authors--an education professor and a third-grade teacher--endeavored to integrate NOS into a third-grade life science unit. Throughout the lesson,…

This standard lesson on identifying salt and sugar crystals expands into an opportunity for students to develop their observation, questioning, and modeling skills. Although sugar and salt may look similar, students discovered that they looked very different under a magnifying glass and behaved differently when dissolved in water. In addition,…