Friedl, Alfred E. <br/><br/>
Teaching science to the children :  an inquiry approach / 
Alfred E. Friedl ; Trish Yourst Koontz. 
 - Sixth edition. 
 - xv, 459 pages :  illustrations ;  26 cm. 
<br/><br/> Includes Glossary and Index. 
<br/><br/><label>ISBN: </label>0072563958 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (elementary)<br/>Science--Experiments