Science activities for elementary children
Lorbeer, George C.
Science activities for elementary children [by] Leslie W. Nelson and George C. Lorbeer. Drawings by: Harry Horowitz and Dick Lane. - 3d ed. - Dubuque, Iowa W. C. Brown Co. [c1959] - xi, 178 p. illus. 28 cm.
Science--Study and teaching (Elementary)
Science activities for elementary children [by] Leslie W. Nelson and George C. Lorbeer. Drawings by: Harry Horowitz and Dick Lane. - 3d ed. - Dubuque, Iowa W. C. Brown Co. [c1959] - xi, 178 p. illus. 28 cm.
Science--Study and teaching (Elementary)