Nature projects on file
Subtitle: experiments, demonstrations, and projects for school and home
By: the Diagram Group.
Contributors: Diagram Group.
Publisher: Facts on File
Published: 1992
Place of publication: New York
Language: eng
Subjects: Natural history -- Experiments.; Environmental protection -- Experiments.; Natural history -- Study and teaching -- Activity programs.; Science projects.
Notes: Issued in loose-leaf format.
Includes index.