In bilingual elementary classrooms where English is taught as a foreign language, science lessons often prioritize spoken interaction, while reading and writing receive less emphasis. This article explores how Cognitive Discourse Functions (CDFs)--such as defining, explaining, hypothesizing, and evaluating--can support disciplinary and…

Within the research on bilingual learning, first studies have revealed that content learned in one language is retrieved more slowly when participants have to switch language from instruction to testing (i.e., language-switching costs, LSC). These costs are attributed to language-dependent knowledge representations. However, the cognitive…