This study analyzed cognitive representations of knowledge from the chemistry of matter unit in a ninth-grade science textbook--the only authorized textbook in Saudi Arabia. It examined textual and visual information from two lessons in order to identify the textbook's introduction of concepts, linguistic context, integration of concepts, and the…

Although substantial inquiry has been made into fitness levels of students, there has been scant examination of knowledge in this domain. This article seeks to review and analyze research on student health-related fitness (HRF) knowledge mastery in K-16 programs by examining studies published in the literature. Two major results emerging from the…