In this article, the author describes the four characteristics of effective middle schools: (1) Academic excellence; (2) Developmental responsiveness; (3) Social equity; and (4) Organizational Structure. An effective middle school should be a place of learning guided by people who have chosen to work with young adolescents, help them develop…

This article describes activities for developing an understanding of a formula for calculating the volume of a rectangular prism. The core activity concerns determining the volume of water in a backyard skating rink. (Contains 4 figures.)

This article provides an overview of medicine ball training. Specifically, it describes "Medicine Ball for All," a physical activity program designed to provide children and teenagers with a meaningful learning experience that is consistent with their developmental needs. The article focuses on developing a safe, successful, and inexpensive…