Phenomenon of effect of magnetic field on plant growth provides wide opportunities for research in classrooms. Using moderately powerful magnets, seed growth patterns can be observed in pre-germination treatment, germination period exposure and under many other conditions. Such research may enable understanding magnetotropism more clearly. (PS)

There was no significant difference in attitudes toward biology between high-ability grade nine biology students exposed to 20 randomly selected Invitations to Enquiry'' and similar students whose course did not include invitations. There is some suggestion that more difficult Invitations'' later in the course may have arrested a general decline…

Teachers who are classified as humanistic'' were perceived by students as using different teaching styles than those classified as custodial.'' The humanistic'' teachers tended to be perceived as using techniques more compatible with the recommendations of the Biological Sciences Curriculum Study writers. (AL)

A description of CHEM Study and CHEM Study materials includes its rationale, content, and supplementary materials. The authors indicate the wide use of CHEMS was because its development was timely and the program was useful. (PS)

Instead of teaching scientific laws and principles in a classroom situation, author involved junior high students in reconstructing an automobile from ole parts in junkyard. The community showed interest by providing old, unusable materials needed for the project. (PS)