Project Clarion, a Jacob K. Javits-funded project, focused on the scale-up of primary-grade science curricula. Curriculum units, based on an Integrated Curriculum Model (ICM), were developed for high-ability learners, but tried out with all students in Title I settings to study the efficacy of the units with all learners. The units focus on the…

The purpose of this study was to compare the effects of questioning "during" a read-aloud and questioning "after" a read-aloud, using science-related informational tradebooks with first-and second-graders. Three thematically-related tradebooks were used, each portraying a scientist involved in authentic investigation. Students in two first/second…