THIS TEACHING GUIDE IS DESIGNED FOR USE WITH AN ELEMENTARY SCIENCE STUDY UNIT "MICROGARDENING" IN WHICH SIMPLER AND LOWER FORMS OF PLANT LIFE ARE STUDIED THROUGH STUDENT ACTIVITIES INVOLVING MOLDS. THE MATERIALS HAVE BEEN CLASSROOM TESTED AND ARE SUGGESTED FOR MIDDLE AND UPPER ELEMENTARY GRADES. THE WORK HAS BEEN ORGANIZED IN FIVE AREAS OF INVESTIGATION. EACH AREA OF INVESTIGATION INCLUDES (1) A VARIETY OF SUGGESTIONS FOR TEACHING, (2) DIRECTIONS FOR ADVANCED PREPARATIONS, IF ANY, AND (3) BACKGROUND INFORMATION. A KIT OF MATERIALS IS COMMERCIALLY AVAILABLE, AND A LIST OF NEEDED MATERIALS IS PROVIDED. APPENDED ARE (1) SUGGESTIONS FOR A MICROCHAMBER FOR VIEWING MOLD DEVELOPMENT, (2) A LIST OF ALTERNATE MATERIALS FOR SUPPLIES IN THE CLASS KIT, AND (3) A BIBLIOGRAPHY WHICH INCLUDES REFERENCES FOR TEACHER AND STUDENT USE. THIS DOCUMENT IS AVAILABLE FROM MCGRAW-HILL BOOK COMPANY, WEBSTER DIVISION, MANCHESTER ROAD, MANCHESTER, MISSOURI 63011. (DS)