About: http://webisa.webdatacommons.org/443848028

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	Children can observe and record the range of materials used in aircraft to establish that early aircraft were made from materials such as wood and cotton, and over time these were replaced by metals and plastics.
http://www.w3.org/ns/prov#wasQuotedFrom	sciencemuseum.org.uk