Cain, Sandra E. <br/><br/>
Sciencing / 
Sandra Cain. 
 - 4th ed. 
 - Upper Saddle River, NJ :  Pearson Education,  2002. 
 - xvi, 319 p. :  ill. ;  24 cm. 
<br/><br/> First published : 1990.  Includes index. 
<br/><br/><label>ISBN: </label>0130956279 :  SR318.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching(Elementary).<br/>Elementary education--United States.
<br/><br/><label>Dewey Class. No.: </label>372.35044  / C123 2002