Activity sourcebook for earth science 
edited by Victor J. Mayer 
 - Ohio  ERIC Clearinghouse for Science,Mathematics and Environmental Education  1980 
 - xiii,258p.:ill.; 28cm.- 
 - Science education information report .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth science-Study and teaching<br/>Science-Study and teaching<br/>Science education
<br/><br/><label>Dewey Class. No.: </label>550  / MAY