Midthun, Joseph <br/><br/>
Sound 
/ written by Joseph Midthun ; illustrated by Samuel Hiti 
 - 40 pages :  color illustrations 
 - Building blocks of physical science .
<br/><br/> "Includes online access to activities."--Cover.  Includes index. 
<br/><br/>What is sound? What makes sound? How do we hear sounds? Carrying sound Absorbing sound What makes an echo? Sound waves How loud or soft? How high or low? Why study sound? Timeline Who's who : Griffin and Galambos Can you believe it? Activity : Sound wave model Words to know 
<br/><br/><label>ISBN: </label>9780716644705 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical sciences--Comic books, strips, etc.--Juvenile literature<br/>Sound--Comic books, strips, etc.--Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>500.2