THE SIXTH IN A SERIES OF 17 VOLUMES, THIS VOLUME PROVIDES THE FOURTH GRADE TEACHER WITH A GUIDE TO THE REORGANIZED SCIENCE CURRICULUM OF THE MINNEAPOLIS PUBLIC SCHOOLS. THE MATERIALS ARE INTENDED TO BE AUGMENTED AND REVISED AS THE NEED ARISES. THIS FOURTH GRADE SUPPLEMENT IS IN TWO PARTS. PART 4A CONTAINS THE INTRODUCTORY MATERIAL, THE CONCEPTS SECTION AND THE RESOURCE UNITS SECTION. RESOURCE UNITS FOR GRADE 4 INCLUDE (1) AIR, (2) LIVING THINGS--ECOLOGY, AND (3) ROCKS. THIS VOLUME, 4B, CONTAINS THE SECTIONS ENTITLED (1) BIBLIOGRAPHY, BOOKS, (2) BIBLIOGRAPHY, FILMS, AND (3) EQUIPMENT AND SUPPLIES. (DH)