Describes development of tests of student progress and instructional efficiency for 12 Science Curriculum Improvement Study (SCIS) units by the Fayette County (Kentucky) schools. Separate tests for each unit (grades one to six) were developed and a subset of items for each major part of a unit were identified. (JN)

Describes the development of the Nuffield chemistry curriculum materials by chemistry teachers and how these materials were received and used by a much larger and representative group of the profession. Includes comments on teaching Nuffield chemistry, the Nuffield examination, and on Nuffield chemistry outside of Great Britain. (JN)