Science at age 13. 

 - London:   Department of Education and Science,   1984.  
 - 44 p. :  ill. ;  21 cm. 
 -  3 .
<br/><br/><label>ISBN: </label>0863570097 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Elementary)--Great Britain
<br/><br/><label>Dewey Class. No.: </label>507.1241