About: http://webisa.webdatacommons.org/210748313

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	You might not know it, but rock collecting is a great base for studying many earth science principles in a concrete and hands-on way.
http://www.w3.org/ns/prov#wasQuotedFrom	simplehomeschool.net