Teaching that supports children in scientific sensemaking emphasizes discourse that prioritizes children's ideas and supports children in engaging in disciplinary practices. However, supporting science talk requires skillful instruction, and without support, teachers may find it challenging to engage our youngest students in rich discussions. In…

In 1985, the leaders of the Smithsonian Institution and the National Academies established the National Science Resources Center (NSRC) to address the critical problem identified by the "A Nation at Risk" report. Through its Curriculum Development Center and in partnership with its publisher, Carolina Biological Supply Company, the NSRC developed…

The nature of science aspects (NOS) are the most emphasized theme in many curriculum and reform attempts. Teachers as a curriculum implementer in the classroom play important role for policy, arrangements and classroom experiences on NOS understandings of students. Researchers generally assessed the teachers' NOS conceptions using open-ended…

Today's world is challenged by complex issues and citizens need ever-increasing scientific literacy to understand the impact of issues such as global warming, alternative energy, and genetic engineering, on their daily lives and to make informed decisions. Students need to be prepared to tackle issues such as these by being exposed to learning…