Linking IEA's international reading assessments across 40 years is an interesting endeavor from several perspectives. Being able to examine trends in reading achievement at the 4th grade over such a long period and relate these to policy changes during that time span is an attractive idea. However, this work brings to the fore many thorny issues…

In this commentary, the authors bring insights from their work on science-literacy integration at the elementary level to bear on the ongoing conversation about disciplinary literacy at the middle and secondary levels. In particular, the authors discuss what they have learned about inquiry, disciplinary reading strategies, and the role of text in…

While few disagree that science fair projects have great potential for student learning, the preparation and execution of projects can be stressful for teachers, students, and parents alike. While working as a fourth-grade teacher, the author's goal was to provide students with a science fair experience minus the pressure of trying to figure out…

Students are usually quick to draw conclusions about their surroundings. Their generalizations, however, are often based on a single experience or even a story recounted by a friend. An individual's ability to reason inductively improves as he gains more experience in the world. The ability to draw broad conclusions also improves with an…

This article argues that an important source of the difficulties posed by particular concepts and theories is the narrow range of "types of causal models" with which most learners are familiar. Most learners are familiar with relatively simple styles of causal models, but many concepts and theories in science depend on styles…