Nieker, Diane, <br/><br/>
Mabigat at magaan:  heavy and light/ 

 - Quezon City :  C & E Publishing, Inc.,  2012. 
 - 26 pages :  Illustrations ;  19cm.+ 
<br/><br/> Include Glossary and Index 
<br/><br/>When is Something Light?--Can one Thing be Lighter than Another?--Which is Lightest--What does Heavy Mean?--Which is Heavier?--Which is Heaviest?--Is something Bigger always Heavier?--How Heavy it is?--What is Weight?-- 
<br/><br/><br/>English-Tagalog 
<br/><br/><label>ISBN: </label>978-971-9900-53-5 
<br/><br/><label>Dewey Class. No.: </label>FIL 530.81   / N51