Despite the growing societal demand for multilingual graduates prepared to engage in local and global contexts, programs to meet these demands are scarce, especially in K-8 contexts. When schools do seek to implement programs, stakeholders struggle to choose from the established models because research documenting desired outcomes is lacking.…

This paper presents the results of an experiment investigating the development of elementary-school dual-language learners' conceptual knowledge about processes of erosion, deposition, and transportation caused by water movement. To elicit students' ideas, researchers asked students to answer four open-ended questions using written answers and/or…