Sound : sound awareness, making sound, receiving sound, vibrations and waves, frequency and intensity, the speed of sound, auditory discrimination, musical instruments / [written by Karen Lee Siepak ; illustrated by George Ling.]
Greensboro, N.C. :
Carson-Dellosa Pub. Co.,
|Series:||Step-by-step science series.
Walker Library - Curriculum Collection - 3rd Floor
Pull and Hold