div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Derry Area School District OverviewOn different places along the string as they play A short string produces a higher-pitched sound than a long string The materia thickness src=https:reader036vdocumentsmxreader036viewer202207150261225a443ddda056543e21a2html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: Derry Area School District OverviewOn different places along the string as they play A short string produces a higher-pitched sound than a long string The materia thickness src=https:reader036vdocumentsmxreader036viewer202207150261225a443ddda056543e21a2html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: Derry Area School District OverviewOn different places along the string as they play A short string produces a higher-pitched sound than a long string The materia thickness src=https:reader036vdocumentsmxreader036viewer202207150261225a443ddda056543e21a2html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: Derry Area School District OverviewOn different places along the string as they play A short string produces a higher-pitched sound than a long string The materia thickness src=https:reader036vdocumentsmxreader036viewer202207150261225a443ddda056543e21a2html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdiv