Describes some laboratory projects to enable high school students to learn about bromelin, a protein-digesting enzyme. (PS)

Part II of a continuing series on open scheduling in Latin and Greek classes in secondary schools. Part I appeared in the December 1972 issue of Classical Outlook.'' (DS)

Describes multiple uses of empty film cans for equipping an elementary school science classroom. Instructional units in which film cans may be useful include buoyancy, mobiles, growing seeds, peas and particles, rocks and minerals, structures, field studies, sound, balancing, electricity, pedulums, chemical change, and optics, light, color. (PS)

Discusses a course, centered around 32 experiments taught for advanced students, designed to develop a laboratory strongly suggestive of contemporary research using relatively sophisticated apparatus. Its unique advantage lies in enriching advanced physics curriculum. (DF)