About: http://webisa.webdatacommons.org/6572501

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	In this activity, marbles or other spheres such as steel shot, ball bearings, or golf balls are used as impactors that students drop from a series of heights onto a prepared lunar surface.
http://www.w3.org/ns/prov#wasQuotedFrom	hawaii.edu