Level A investigating patterns of change :  middle school science and technology / 
BSCS Innovative Science Education. 
 - teacher's ed. 
 - Dubuque, Iowa :  Kendall/Hunt Pub,  c1994. 
 - xxxi, 412 pages :   color illustrations ;   27 cm 
<br/><br/> Includes references. 
<br/><br/><label>ISBN: </label>0840366779 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Elementary and Secon<br/>Technology--Study and teaching (Elementary and Secon
<br/><br/><label>LC Class. No.: </label>Q181   / L57 1994