<http://webisa.webdatacommons.org/prov/474737486>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/157986089> .
<http://webisa.webdatacommons.org/prov/474046240>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/157986089> .
<http://webisa.webdatacommons.org/157986089>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<pbs.org> .
<http://webisa.webdatacommons.org/prov/474046242>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/157986089> .
<http://webisa.webdatacommons.org/157986089>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/157986089>	<http://www.w3.org/ns/prov#value>	"Encourage students to consider such things as family background, personal experience with an object, cultural or ethnic background, knowledge of history, age, geographic location." .