This paper deals with a novel method for improving the traditional "verification" laboratory in science education. Drawing on the idea of integrated instructional units, we describe an instructional sequence which we call the Babushka concept. This concept consists of three integrated instructional units: a start-up lecture, a laboratory…

This unit package offers the primary social studies teacher structured materials in geography. The primary objective of this unit is to develop the concepts labeled place and environment. Material organization and teaching strategy involve a two-fold emphasis on concept acquisition and concept use. The materials require the student to make…