00755nam a22002177a 450000500170000000800410001702000230005804000140008104100060009508200150010110000250011624500800014126000600022130000450028149000530032650400460037952100080042565000310043365000380046470000350050220241107113629.0241106b        sa ||||| |||| 00| 0 eng d  a9780761360919qhbk  aRDAc3228  2E  aJ 534 BOOT  a Boothroyd, Jennifer  aLoud or soft? High or low?: a look at sound.cWritten by Jennifer Boothroyd  aMinneapolis, USA: bLerner publishing group, inc.c2011  a32 pages;bcolour illustrations;c27 cm.  aLightning bolt books. Exploring physical science  aincludes glossary, bibliography and index  aJ E 0aSound- Juvenile literature 0aSound -waves- Juvenile literature  a Boothroyd, Jennifer, , 1972-