Describes a unit on macromolecules that has been used in the 12th grade of many Israeli secondary schools. Topic areas in the unit include synthetic polymers, biological macromolecules, and nucleic acids. A unit outline is provided in an appendix. (JN)

Deals with the issue of water education, including problems, what should be done, what can be done, and what to do. Presents two curricular units on water and two interdisciplinary, environmentally oriented courses for use in Israel. (YP)