Scott, foresman science / 
Michael R. Cohen ...[et al.]. 
 - Illinnois :  Scott, Foresman Science and company,  c 1984. 
 - 245 p. :  ill. ;  24 cm. 
<br/><br/>327  327 
<br/><br/><label>ISBN: </label>0-673-14003-2 
<br/><br/><label>Subjects--Topical Terms: </label>--Science.<br/>Science--Study and teaching.
<br/><br/><label>Dewey Class. No.: </label>507 / C66s