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…

Preservice elementary teachers face challenges in learning to teach science. Educative curriculum materials, designed to promote teacher learning, can provide support for overcoming these challenges. The educative curriculum materials used in this study provide narrative vignettes describing a teacher's decision making with regard to lesson plans.…