Barkan, Joanne <br/><br/>
What is density? / 
by Joanne Barkan 
 - New York :  Scholastic,  2006 
 - 31 pages :  Color illustrations ;   19 cm 
 - Read-About Science  .
<br/><br/> Includes index. 
<br/><br/>H <br/> 
<br/><br/> Explains what density is, using examples from a birthday party--such as a room filling with people, a floating balloon, and the bubbles in a cup of soda--to illustrate the concept. 
<br/><br/> 440 <br/>  Lexile <br/>  H <br/>  Raz-Plus <br/> 
<br/><br/><label>ISBN: </label>9780516236186 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Matter--Properties--Juvenile literature.<br/>Specific gravity--Juvenile literature.
<br/><br/><label>LC Class. No.: </label>QC173.36 
<br/><br/><label>Dewey Class. No.: </label>531.14