Understanding complex systems such as ecosystems is difficult for young K-12 students, and students' representations of ecosystems are often limited to nebulously defined relationships between macro-level structural components inherent to the ecosystem in focus (rainforest, desert, pond, etc.) instead of generalizing processes across ecosystems…

Background: When writing a text, students are required to do several things simultaneously. They have to plan, translate and review, which involve demanding cognitive processes. In order to handle this complexity, writers need to develop a writing strategy. The two most well-defined writing strategies that have been identified, are those of a…