<http://webisa.webdatacommons.org/329093649>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<discoveryeducation.com> .
<http://webisa.webdatacommons.org/prov/205135034>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/329093649> .
<http://webisa.webdatacommons.org/329093649>	<http://www.w3.org/ns/prov#value>	"1. understand that sound is a form of energy that travels in waves referred to as compressional waves" .
<http://webisa.webdatacommons.org/329093649>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .