Wenham, Martin. <br/><br/>
Understanding primary science :  ideas, concepts and explanations / 
Martin Wenham. 
 - 2nd ed. 
 - London :  Paul Chapman,  2005. 
 - xviii, 302p. :  ill. ;  24 cm. 
<br/><br/> Previous ed.: 1995. 
<br/><br/>Includes bibliography and index. 
<br/><br/><label>ISBN: </label>1412901626 :  £60.00 1412901634 (pbk.) :  £18.99 9781412901628 9781412901635 
<br/><br/><label>Nat. Bib. No.: </label>GBA466857  bnb 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Elementary)