Harcourt Science explorations 

 - [United States] :  Harcourt, Inc.,  2000 
 - pages  ill. 
<br/><br/><label>ISBN: </label>0153112069 
<br/><br/><label>LCCN: </label>2001576155 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching
<br/><br/><label>LC Class. No.: </label>Q181 
<br/><br/><label>Dewey Class. No.: </label>570  / REF