Download or read book I Heard a Sound written by David J. Ward and published by National Geographic Books. This book was released on 2022-04-05 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 through a string Use four straws to hear high and low sounds Show how vocal chords work Use wax paper to see sound vibrate Learn how sound waves work And much more! A glossary is included in the back of the book. A Junior Library Guild Selection