TY - BOOK AU - Sunal,Dennis W. AU - Sunal,Cynthia S. TI - Science in the elementary and middle school SN - 0130283428 (pbk.) AV - LB 1585 .S863 2003 PY - 2003/// CY - Upper Saddle River, N.J. PB - Merrill/Prentice Hall KW - Science KW - Study and teaching (Elementary) KW - Study and teaching (Middle school) N1 - Includes bibliographical references (p. 471-484) and indexes ER -