Easy experiments with water pollution.
By: Drawings by Lucy Bitzer.
Publisher: Four Winds Press
Published: 1974
Place of publication: New York
Language: eng
Number of pages: 109
Subjects: Water -- Pollution -- Experiments -- Juvenile literature.; Water -- Pollution -- Experiments.
Description: Directions for safe, easy-to-follow experiments that explore the major causes of water pollution and methods of water purification.
Notes: Bibliography: p. 103-[104]