Reviews Piaget's stages of development and describes types of educational activities which are appropriate for specific levels of cognitive development. (CP)

Describes classroom activities to help children determine cause and relate the changes to the substances being changed. Advocates the use of "change jars" and making daily observations to teach the concepts that certain conditions promote change. Includes ideas using temperature, moisture, rotting, and sprouting to teach the concept of change. (CW)

Examines 11 elementary science texts in terms of conceptual structure and reasoning demands using concept maps. Reports that (1) the conceptual structures vary widely across texts; (2) most of the structures are well defined; and (3) the reasoning demands are above the developmental capabilities of most of primary-level children. (Author/YP)

This document provides information about Science Unlimited (SU), the elementary school science effort of the Pennsylvania Department of Education. (The philosophy and characteristics of SU continue the earlier Pennsylvania science program effort entitled Investigative Science in Elementary Education.) The document includes: (1) a list of SU…

Listed with examples are six levels of thinking. The design of lessons to teach higher order thinking is discussed. A sample lesson on spontaneous generation which uses this method is provided. (CW)