Environmental detectives
Subtitle: teacher's guide
By: by Kevin Beals with Carolyn Willard
Contributors: Willard, Carolyn; GEMS (Project)
Series: Great explorations in math and science
Publisher: Lawrence Hall of Science, University of California at Berkeley
Published: 2001
Place of publication: Berkeley, CA
Language: eng
Number of pages: 255
Subjects: Ecology -- Experiments; Pollutants -- Study and teaching (Elementary)
Other titles: GEMS
Notes: "LHS Gems."

Includes bibliographical references

Grades 5-8