Through the construction of arguments, students are invited to make sense of the concept of a species and its connection to both extinction and local biomes. Scientific argumentation is the process by which scientists engage in discourse aimed at developing common knowledge about the natural world (Driver et al. 1994). This article describes a 5E…

Developing good record-keeping habits is essential for organizing, processing, and communicating experimental results objectively. Therefore, the authors designed an interactive method of teaching first graders to record, organize, and interpret data as they studied the life cycle of the spotted salamander ("Ambystoma maculatum"). In their…