I Heard a Sound

<b>Learn the science of sound with easy experiments and examples from everyday life.</b><br><br>Crickets, clarinets, and vocal chords. All vibrate. All make sound.<br><br>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!<br><br>Using everyday items like straws, balloons, rulers, and wax paper, readers can:<br><br><li>See how sound can pass through a string</li><li>Use four straws to hear high and low sounds</li><li>Show how vocal chords work</li><li>Use wax paper to see sound vibrate</li><li>Learn how sound waves work</li><br>And much more!<br><br>A glossary is included in the back of the book.<br><br><b>A Junior Library Guild Selection</b>