About: http://webisa.webdatacommons.org/28431922

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	Grades: 1, 2 In Pebbles, Sand, and Silt, students develop skills such as observing, comparing, organizing, seriating, and inferring as they explore the properties of rocks and soil and the use of these substances in everyday life.
http://www.w3.org/ns/prov#wasQuotedFrom	nap.edu