Winterberg, Jenna, <br/><br/>
Sound Waves and Communication / 
Jenna Winterberg ; Illustrator : Timothy Bradley 
 - 32 pages :  colour photographs ;  23 cm 
 - Physical Science .
 - Physical science .
<br/><br/> Includes index 
<br/><br/>"Beep, beep, beep! Whirrrr. From loud and annoying to peaceful and relaxing, sounds are an ever-present part of life. Sound not only helps us send messages to one another, but also tells us about our world."-- 
<br/><br/> "Rub your hands together. The quicker you move them, the warmer they feel. This is from friction and the movement of energy. Although energy may change forms, it cannot be created or destroyed. But where does the energy go?"-- Provided by publisher. 
<br/><br/> Grades 4 to 6 
<br/><br/><label>ISBN: </label> RM378.00 9781480746848  RM37.80 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sound--Juvenile litersture<br/>Sound-waves--Juvenile literature<br/>Sound
<br/><br/><label>Dewey Class. No.: </label>534