PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • * Waves, including sound and seismic waves, waves on water, and light waves, have energy and can transfer energy when they interact with matter. * Electromagnetic waves include radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, x-rays, and gamma rays. * Each kind of atom can gain or lose energy in only a certain amount.
http://www.w3.org/ns/prov#wasQuotedFrom
  • learningscience.org