TY - BOOK AU - Doris,Ellen TI - Doing what scientists do: children learn to investigate their world SN - 0435083090 AV - LB 1585.3 .D67 1991 PY - 1991/// CY - Portsmouth, N.H. PB - Heinemann KW - Science KW - Study and teaching (Elementary) KW - United States N1 - Includes bibliographical references (p. 171-190) ER -