Science for all children  a guide to improving elementary science education in your school district /  [electronic resource] : 
National Science Resources Center, National Academy of Sciences, Smithsonian Institution. 
 - Washington, D.C. :  National Academy Press,  1997. 
 - xiii, 225 p. :  ill. 
<br/><br/>Includes bibliographical references (p. 193-195) and index. 
<br/><br/><br/>Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Elementary)--United States.<br/>Science--Study and teaching (Elementary)--United States--Case studies.<br/>Problem-based learning--United States.<br/>Problem-based learning--United States--Case studies.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>LB1585.3  / .S388 1997 
<br/><br/><label>Dewey Class. No.: </label>372.3/5/044