Understanding the nature of science and scientific inquiry constitute foundation stones in scientific education in general and in scientific literacy in particular. Therefore, students must develop informed perceptions regarding science inquiry in order to be scientifically literate. The current study's purpose was to examine students' perceptions…

Understanding genetic mechanisms affords the ability to provide causal explanations for genetic phenomena. These mechanisms are difficult to teach and learn. It has been shown that students sometimes conceive of genes as traits or as trait-bearing particles. We termed these "nonmechanistic" conceptions of genetic phenomena because they…

Describes the use of concept mapping (CM) in design, instruction, and assessment related to microbiology lessons prepared for high school students in Israel. Indicates that students utilizing CM displayed an overall, higher achievement gain than students in traditional classes. Recognizes that some teachers did not thoroughly exploit the potential…