Learning about matter 

 - 64 pages :  illustrations (chiefly color) ;  cm 
 - Learning playground ; #7 .
 - Learning playground ; #7. .
<br/><br/> Primary 
<br/><br/><label>ISBN: </label>9780716602347 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Matter--Constitution--Juvenile literature<br/>Matter--Properties--Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>530