Primarily physics:  investigations in sound, light and heat for K-3 

 -  Revised edition  
 - Fresno  AIMS Education Foundation   c1994 
 - x,104p.:  ill. 
<br/><br/> Includes glossary  
<br/><br/><label>ISBN: </label>1881431460 
<br/><br/><label>Dewey Class. No.: </label>372.7