As the vision in "A Framework for K-12 Science Education" and the Next Generation Science Standards (NGSS) takes hold in schools and classrooms, there is an urgent need for teacher professional development (PD) programs that align with NGSS-designed curriculum materials and address the unique strengths and needs of diverse student…

This study examines and compares how developers designed two primary science curricula to support teacher adaptation and enable use of innovative materials at scale. The two cases--"Literacy Science" (a science and literacy curriculum for grades 2-5) and "Science as Inquiry" (a curriculum focused on matter for grades 3-5)--were…

There is evidence that science teachers give naive responses to direct questions about the nature of science. However, there is also evidence that such responses underpredict the more sophisticated knowledge that teachers may use in classroom situations. The purpose of this study was to characterize the informal ideas used by teachers in…