New reforms in science education emphasize facilitating all students' sense making of the big ideas and crosscutting concepts in science along with engagement in science practices. Supporting this learning requires complex, ambitious teaching that is uncommon in U.S. classrooms. Thus, novice teachers will need considerable support in learning how…

Educative curriculum materials present a promising mechanism for promoting more ambitious science teaching in elementary classrooms, including engaging students in science practices. Integrating science practices with science content is emphasized in new education reforms. Elementary teachers, however, face challenges in engaging children in…