This is the annual report of the activities of Israel Science Teaching Centre for 1971-1972. The contents of the report include reports of meetings and activities undertaken in various projects in mathematics, physics, chemistry, biology, agriculture, and the junior school program. Some major activities of different projects include inservice teacher education programs in mathematics and biology, and individualized instruction for junior school programs. Instructional materials have been revised or prepared in chemistry, biology, physics, and for elementary schools. The materials in agriculture have been translated in Arabic language and instruction is based on topics suitable for Israel. A total of 22 units are in different stages of development for kindergarten through grade five. (PS)