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R.U.B.I.E.S. Hands-On Science for K-8: An Interdisciplinary Approach
RUBIES Hands-On Science for K-8 An Interdisciplinary Approach Author:Betsy Johnson Zadorozny Whether you are self-contained, departmentalized, or a parent/teacher, RUBIES has something for you. Students, our most valuable resources, are "gems" waiting to be polished.