Biggs, Alton <br/><br/>
North Carolina science. Grade 7 
/ Alton Biggs [and four others] 
 - xii, 643 pages :  color illustrations 
<br/><br/> Includes index. 
<br/><br/>The nature of science and technology Measurement Cells - the unit of life Cell reproduction Heredity Structure and movement Nutrients and digestion Respiration and excretion Circulation and immunity Control and coordination Regulation and reproduction Motion and momentum Force and Newton's Law Work and simple machine Electronics and computers Atmosphere Weather Climate  Air pollution 
<br/><br/><label>ISBN: </label>0078617871 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Middle school)
<br/><br/><label>Dewey Class. No.: </label>500