Hansen, Amy <br/><br/>
What is it made of? 
Amy S. Hansen 
 - 1st ed. 
 - Vero Beach, FL  Rourke Pub.  2012 
 - 24 p.  col. ill.  21 cm. 
 - My science library .
<br/><br/> IB program. Uso restrito aos professores. 
<br/><br/> Year 1 
<br/><br/><label>ISBN: </label>9781617419270 
<br/><br/><label>Dewey Class. No.: </label>670