Dahl, Michael, <br/><br/>
SOUND WAVES / 
by Michael Dahl ; Editor: Michelle Parkins 
 - 24 pages :  colour illustrations, colour photographs ;   21 x 20 cm 
 - WAVES IN MOTION  .
 - Waves in motion  .
<br/><br/> Includes index 
<br/><br/>Bibliography: page 23 
<br/><br/> "Birds chirp. A dog barks. Thunder claps. We hear sounds all around us. But how? Sound waves travel through the air, but we don't see them. With engaging, at-level text and colorful images, readers will learn about sound waves and how we use them every day"--Provided by publisher. 
<br/><br/> Interest age level: Ages 5-7 Pebble. 
<br/><br/><label>ISBN: </label>9781977126191  RM34.90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sound-waves --Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>534