About: http://webisa.webdatacommons.org/124898952

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	Prior to this activity, students should understand that sound is a form of energy that travels in invisible waves.
http://www.w3.org/ns/prov#wasQuotedFrom	discoveryeducation.com