About: http://webisa.webdatacommons.org/139564763

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Using an electronic device such as a mobile telephone or portable digital media player, find out how sound travels from one location to another.
http://www.w3.org/ns/prov#wasQuotedFrom	boyscouttrail.com