Physical science / 
George A. Williams ... [et al.]. 
 - 2d ed. 
 - New York :  Webster Division, McGraw-Hill,  c1979. 
 - Challenges to science .
<br/><br/> Includes index.  Teacher's edition. 
<br/><br/> A physical science text, stressing an awareness of the environment, with related laboratory activities to lead the student into discovering basic laws and concepts of physics and chemistry. 
<br/><br/><label>ISBN: </label>0070704155 
<br/><br/><label>LCCN: </label>78012215 /AC/r90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical sciences -- Juvenile literature.--Physical sciences -- Juvenile literature.<br/>Physics.<br/>Chemistry.
<br/><br/><label>LC Class. No.: </label>Q163  / .P577 1979 
<br/><br/><label>Dewey Class. No.: </label>530