To date, a number of studies have demonstrated the existence of mismatches between children's "implicit" and "explicit" knowledge at certain points in development that become manifest by their gestures and gaze orientation in different problem solving contexts. Stimulated by this research, we used eye movement measurement to…

This article presents a lesson plan in which students learn about water in solid, liquid, and gaseous phases through trade books, demonstrations, and artwork. The author illustrates the stages of the lesson plan in the sequence they were conducted in the classroom with a group of students in grades one and two. Each stage targets specific learning…