Cleaning water /

Cleaning water / a project of the American Chemical Society. - Teacher version. - Dubuque, Iowa : Kendall/Hunt, c1996. - iv, 32 p. : ill., maps ; 28 cm. - Facets = Foundations and challenges to encourage technology-based science. Series 2 ; module 2.6 . - FACETS collection. Series 1; module 2.6. .

0787214485 (pbk.)


Fresh water.
Water-supply.
Water--Pollution--Study and teaching (Elementary)
Science--Study and teaching (Elementary)