Investigated children's conceptualization of scientific phenomena and intuitive methods learned from their everyday experiences. Explores the nature of tinkering within the context of electricity. Presents a model of tinkering that provides a conceptual framework for the interpretation of tinkering as one of the methods students use to make sense…

Reviewed are findings on misconceptions in mechanics and their instructional implications. Many misconceptions are widespread and resistant to change but students have useful intuitions and reasoning processes that could be used more fully. One strategy for dealing with misconceptions is described. It stresses anchoring intuitions, analogical…

This document focuses on evidence from problem solving case studies which indicate that analogy, extreme case analogies, and physical intuition can play an important role as forms of nonformal reasoning in scientific thinking. Two examples of nonformal reasoning are examined in greater detail from 10 case studies of "expert" problem solving.…

Reports on a study which investigated the order of acquisition of intuitive notions of qualitative speed. Results indicated that an array of prerequisites, equivalent, and independent relationships existed among the tasks administered. Confirmed the evolution of reasoning for notions of qualitative speed found by Piaget. (Author/TW)