Lorbeer, George C. <br/><br/>
Science activities for middle school students / 

 - 2nd ed. 
 - Boston :  McGraw-Hill,  c2000. 
 - xiv, 428 p. :  ill. ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0072299169 (acidfree paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>507 MCG 2000 A035 Or.