The core portion of this trial unit developed by the Australian Science Education Project provides activities from which students gain experience in the formation of images by water and glass lenses. Additional optional sections of the unit contain suggested activities and questions which lead to a study of mirrors, refraction, eyes and…

The introductory core activities in this trial unit, prepared for students in grades seven through nine of Australian schools, use indicators derived from flower pigments to provide a more convenient measure of acidity than taste. Students are offered choices among seven options after completion of the core: "How Acidic is That?";…

THIS BIBLIOGRAPHY IS A CONTINUATION OF THE SERIES OF BIBLIOGRAPHIES OF COURSES OF STUDY AND TEXTBOOKS IN SCIENCE BEGUN IN 1959 BY THE NATIONAL SCIENCE TEACHERS ASSOCIATION (NSTA). PART 1 LISTS COURSES OF STUDY ALPHABETICALLY BY STATE UNDER THE CATEGORIES OF (1) COURSES OF STUDY, GRADES K-3, (2) COURSES OF STUDY, GRADES 4-6, (3) LONG-RANGE COURSES…