Initial Piagetian Tasks Theme: Substance Conservation Source: (J. Piaget); date: 4/22/1977 Facebook Twitter Google+ EmailLinkEmbedCopy and paste this HTML code into your webpage to embed. Does changing shape change weight? 23mb Facebook Twitter Google+ EmailLinkEmbedCopy and paste this HTML code into your webpage to embed. Does changing shape change volume? 20mb Facebook Twitter Google+ EmailLinkEmbedCopy and paste this HTML code into your webpage to embed. Playing on his own 9mb
