Krajcik, Joseph S. <br/><br/>
Teaching science in elementary and middle school classrooms  a project-based approach 
Joseph S. Krajcik, Charlene M. Czerniak, Carl F. Berger. 
 - 2nd ed. 
 - Boston  McGraw-Hill  c2003. 
 - xxiii, 498 p.  col. ill.  23 cm. 
<br/><br/> Rev. ed. of: Teaching children science, c1999. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0072486740 
<br/><br/><label>LCCN: </label>2002107634 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Elementary)--Methodology.<br/>Science--Study and teaching (Middle school)--Methodology.
<br/><br/><label>LC Class. No.: </label>Q181  / .K73 2003 
<br/><br/><label>Dewey Class. No.: </label>507.1