Sheckles, Mary. <br/><br/>
Building children's science concepts  experiences with rocks, soil, air and water. 

 - New York  Bureau of Publications, Teachers College, Columbia  1958. 
 - xiv, 138 p.  illus. 
 - Practical suggestions for teaching, no. 15 .
<br/><br/>Bibliography: p.137. 
<br/><br/><label>LCCN: </label>58008243 /L 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching.
<br/><br/><label>LC Class. No.: </label>Q181  / .S42 
<br/><br/><label>Dewey Class. No.: </label>372.35