Science Activities from A to Z /
Challand, Helen J.
Science Activities from A to Z / By Helen J. Challand and Elizabeth R. Brandt; Illustrated by Herb Ruud; The Science Center, National College of Education. - Chicago : Children's Press, Inc., [1963]. - 223 p. : col. ill., 27 cm. - Children's Books Are Important .
Index, p. 218-221
Science --Experiments
Science Activities from A to Z / By Helen J. Challand and Elizabeth R. Brandt; Illustrated by Herb Ruud; The Science Center, National College of Education. - Chicago : Children's Press, Inc., [1963]. - 223 p. : col. ill., 27 cm. - Children's Books Are Important .
Index, p. 218-221
Science --Experiments