This is a qualitative case study framed by a sociosemiotic theoretical framework to explore science and language instruction with three Emergent Bilinguals (EBs) in sixth grade. The study details the modeling and explanatory processes used by EBs to mediate science learning through evidence-based argumentation. A thematic analysis of students'…

This study explores teachers' use of Spanish in sixth-grade bilingual science classrooms at an urban middle school in Texas. We used a case study approach to study how two Spanish-English bilingual teachers utilized Spanish during instruction in a unit on space exploration and their beliefs on Spanish use in English-dominant science classrooms.…