Barkan, Joanne <br/><br/>
What is velocity / 
Joanne Barkan / 
 - New York :  Scholastic,  2004 
 - 31 pages. 
<br/><br/> Rookie Read-About Physical Science series introduces the youngest readers (Ages 6-7) to physical science concepts. Each book features critical-thinking questions throughout the text; a simple, hands-on experiment; a glossary and more. 
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<br/><br/><label>ISBN: </label>051624664-X