A "Framework for K-12 Science Education and the Next Generation Science Standards" ("NGSS") are intended for all students, hence "all standards, all students" (NGSS Lead States 2013). To make this vision a reality, the "NGSS" highlight three key instructional shifts: (1) explain phenomena or design solutions…

The adoption of "A Framework for K-12 Science Education" and the Next Generation Science Standards (NGSS) across the U.S. requires that the field of science education develops high-quality instructional materials. This need is particularly urgent as schools and districts are expected to design or adapt instructional materials for an…

This study examined elementary teachers' instructional strategies for promoting scientific understanding and inquiry and supporting English language development with diverse student groups including English language learners. The study was part of a 5-year research and development project consisting of reform-based science curriculum units and…

This study examined both student and school predictors of science achievement as measured by a high-stakes state test. The study involved 23,854 fifth-grade students from 198 elementary schools in a large urban school district with a diverse student population. Multilevel modeling was conducted to examine both student and school predictors…

This descriptive study examined urban elementary school teachers' perceptions of their science content knowledge, science teaching practices, and support for language development of English language learners. Also examined were teachers' perceptions of organizational supports and barriers associated with teaching science to nonmainstream students.…

Student initiatives play an important role in inquiry-based science with all students, including English language learning (ELL) students. This study examined initiatives that elementary students made as they participated in an intervention to promote science learning and English language development over a three-year period. In addition, the…

This study examined urban elementary teachers' knowledge and practices in teaching science while supporting English language development of English language learning (ELL) students. As part of a larger 5-year research project in the United States, the study involved 38 third-grade teachers who participated in the first-year implementation of a…

As part of a large-scale instructional intervention research, this study examined elementary students' science knowledge and awareness of social activism with regard to an increased greenhouse effect and global warming. The study involved fifth-grade students from five elementary schools of varying demographic makeup in a large urban school…

This study examined the impact of the 3-year implementation of a professional development intervention on science achievement of culturally and linguistically diverse elementary students. Teachers were provided with instructional units and workshops that were designed to improve teaching practices and foster positive beliefs about science and…