Presents findings from a case study into the development of student understanding of chemical bonding. Reveals significant progression in student understanding but also highlights issues of how such progression should be addressed. Emphasizes factors associated with blocks to appropriate concept development. (33 references) (Author/MKR)

Students in their first weeks of secondary school were asked to select from a list those topics they would be interested in studying in science. Gender differences were found in that boys predominately selected topics with a mechanical connection, whereas girls predominantly selected topics related to human biology. (Author)

Presents findings that young secondary students have stereotyped ideas about the appropriateness of certain careers for men and women. Indicates that careers such as pilot, engine mechanic, electrician, and computer technician are viewed by all students as more suitable for males. Considers the consequences of these results relative to the…