Vocabulary is a building block of understanding, especially in science classrooms where language abilities are mixed. To reduce academic inequalities, approaches to vocabulary instruction need to demonstrate benefits for students across learning contexts. We summarize the results from the first unit, "Earth Systems and Catastrophic…

In teaching newcomer students, educators must envision how to provide opportunities for language use and development through age-appropriate content instruction. This article describes a design research study, in which we developed and piloted 5th grade science units and studied the participation of two newcomer students in sense-making…

This article contributes to the scarcity of research on the interface between task-modality and the use of previously known languages (PKL) in young learners. It examines the use of Basque/Spanish by CLIL learners (aged 10-11) during oral interaction while completing two collaborative tasks in English: a speaking task and a speaking + writing…