I Heard a SoundBy: David J. Ward Illustrator: Eric Comstock Learn the science of sound with easy experiments and examples from everyday life. Crickets, clarinets, and vocal chords. All vibrate. All make sound. Here is science learning at it's best: a kid friendly, accessible text, with bold, retro styled illustrations, and hands on experiments you can try at home! Using everyday items like straws, balloons, rulers, and wax paper, readers can: See how sound can pass