About: http://webisa.webdatacommons.org/9264658

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, students will time the periods of their pendulums using their pulses and compare their results with those obtained with a watch.
http://www.w3.org/ns/prov#wasQuotedFrom	sciencenetlinks.com