About: http://webisa.webdatacommons.org/343759666

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	Metals such as iron are magnetic, but rock, which makes up the mantle and crust, is not.
http://www.w3.org/ns/prov#wasQuotedFrom	ck12.org