AU - BRANDWEIN,PAUL AU - COOPER,ELIZABETH AU - BLACKWOOD,PAUL AU - COTTOM-WINSLOW,MARGARET AU - ABOESCHEN,JOHN AU - GIDDINGS,MORSLEY AU - ROMERO,FRANK AU - CARIN,ARTHUR TI - CONCEPTS IN SCIENCE, GRADE 4, CURIE EDITION T2 - CONCEPTS IN SCIENCE SN - 0153657359 U1 - 500/BRA PY - 1980/// CY - NEW YORK PB - HARCOURT BRACE JOVANOVICH KW - SCIENCE KW - EDUCATION KW - SOUND KW - LIGHT KW - WATER KW - AIR KW - SOIL KW - TREES KW - JOURNEYS OF SALMON AND DUCK KW - ENVIRONMENT ER -