Initial Piagetian Tasks Theme: Substance Conservation Source: (J. Piaget); date: 4/22/1977 Please enable JavaScriptplay-sharp-fill LinkEmbedCopy and paste this HTML code into your webpage to embed. Does changing shape change weight? 23mb Please enable JavaScriptplay-sharp-fill LinkEmbedCopy and paste this HTML code into your webpage to embed. Does changing shape change volume? 20mb Please enable JavaScriptplay-sharp-fill LinkEmbedCopy and paste this HTML code into your webpage to embed. Playing on his own 9mb