Analyzes environmental knowledge of high school students using a national probability sample. Results indicate that students can recognize basic facts regarding environmental issues but are unable to apply this knowledge to comprehend consequences or solutions related to the problems. Contains 20 references. (DDR)

The results of survey of secondary school biology students used to access misconceptions about cells are presented. A distinction between conceptions, misconceptions, and nonconceptions is drawn in terms of secondary school biology concepts. The resilience of misconceptions is discussed. (CW)

Describes a diagnostic evaluation to measure the idea of the living cell as the basic unit of life. Describes the classification of student knowledge as common knowledge, wide-spread lack of knowledge, inadequate alternatives, and contradictions. (YP)

This study consolidated observations of teachers in an institute setting designed to facilitate science learning content through performing science processes and asking questions related to self-perceived conceptual difficulties. The subjects were 11 elementary school teachers from a school district in Northeast Florida; they were enrolled in a…