"Active learning" has been used to describe classrooms that have varied widely with respect to instructional topics, age of learners, and the procedures used to operationalize the general notion of the term. In most cases, the specific variant of active learning under investigation has been more effective than the particular control used…

"Active learning" has been used to describe classrooms that have varied widely with respect to instructional topics, age of learners, and the procedures used to operationalize the general notion of the term. In most cases, the specific variant of active learning under investigation has been more effective than the particular control used…

In the elementary and secondary schools, there is a movement toward a sequential instructional program which would involve the offering of a laboratory science each year from kindergarten to high school graduation. In some schools teachers have turned to science kits as a partial solution to the problems presented by restricted space, inadequate…