ELEMENTARY AND SECONDARY SCIENCE COURSE IMPROVEMENT PROJECTS ARE REVIEWED. INFORMATION FOR THE REVIEWS WAS OBTAINED FROM PROJECT NEWSLETTERS, TEXT MATERIALS, ARTICLES ABOUT THE PROJECTS, AND CONVENTION REPORTS. PROJECT RESUMES INCLUDE A BRIEF SUMMARY OF DEVELOPMENTAL ACTIVITIES, MAJOR THEMES, OBJECTIVES, UNIQUE FEATURES, AND DESCRIPTIONS OF MATERIALS THAT HAVE BEEN DEVELOPED. CHARACTERISTICS COMMON TO MOST OF THE PROJECTS ARE SUMMARIZED IN A GENERAL OVERVIEW. CONCLUDING SECTIONS ARE DEVOTED TO ISSUES IN SCIENCE EDUCATION AND TO SUGGESTIONS FOR THE EVALUATION AND IMPLEMENTATION OF NEW SCIENCE CURRICULUMS. THIS DOCUMENT IS AVAILABLE FROM THE ASSOCIATION FOR SUPERVISION AND CURRICULUM DEVELOPMENT, NATIONAL EDUCATION ASSOCIATION, 1201 SIXTEENTH STREET, N.W., WASHINGTON, D.C. 20036, 39 PAGES, $1.50. (AG)