Martin, David Jerner <br/><br/>
Elementary science methods /  a constructivist approach / 
David Jerner Martin. 
 - 2nd ed. 
 - Belmont, CA :  Wadsworth,  2000. 
 - xx, 556 p. :  col. ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>0534556302 
<br/><br/><label>LCCN: </label>99034792  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Elementary)--United States.<br/>Constructivism (Education)--United States.<br/>Science--Study and teaching (Preschool)--United States.
<br/><br/><label>LC Class. No.: </label>LB1585.3  / .M37 2000 
<br/><br/><label>Dewey Class. No.: </label>372.35044/  / MAR