Mark, Steven Joseph <br/><br/>
Source book of science experiments for elementary grades. 

 - [1st ed.] 
 - New York  Vantage Press  [1970] 
 - 384 p.  illus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Experiments.<br/>Science--Study and teaching (Elementary)