Cain, Sandra E.
Sciencing / Sandra Cain. - 4th ed. - Upper Saddle River, NJ : Merrill/ Prentice Hall, c2002. - xvi, 319 p. : photos
Includes bibliographical references and index.
Science--Study and teaching (elementary)
Science--Study and teaching (Elementary)--United States
Education, elementary--Activity Programs
Sciencing / Sandra Cain. - 4th ed. - Upper Saddle River, NJ : Merrill/ Prentice Hall, c2002. - xvi, 319 p. : photos
Includes bibliographical references and index.
Science--Study and teaching (elementary)
Science--Study and teaching (Elementary)--United States
Education, elementary--Activity Programs