Concept map (CM) is introduced as a useful tool for studying students' system thinking (ST). However, it is more known to represent students' knowledge of system components and organization and less recognized as a tool to examine and enhance students' understanding about the underlying causal mechanisms in complex systems. In this study, through…

The theory of evolution can be a useful basis for developing students' understanding of ecology. Our study used concept maps to examine the development of sixth-grade students' understanding of the Antarctic ecosystem following several evolution 'Science Days' conducted at 'Nature Campus' -- an informal learning environment comprised of a natural…

Based on the recommendation of the AAAS and the NRC, middle level science is the rightful introduction for a systems approach, including the study of its parts, subsystems, interconnections, and interrelationships. Dr. Seuss's "The Lorax" provides an excellent opportunity to combine ecological consequences within a systems approach (Sweeney 2001).…