AlexReneeValerie Physical Development By alexreneevalerie2 Mar 12, 2010 Birth May 12, 2010 Lift head up on stomach May 31, 2010 Roll over Jun 24, 2010 Reaches for objects Jul 12, 2010 Sit with support Aug 24, 2010 Objects disappear when not in sight Aug 30, 2010 Sit without support Nov 12, 2010 Pull self up to standing position Dec 12, 2010 Walk holding on to furniture Dec 24, 2010 Object permanence Jan 12, 2011 Crawling Feb 28, 2011 Stand alone Mar 12, 2011 Walking Mar 24, 2011 Begins to move toward word of thought Apr 24, 2011 egocentric thinking and representational thought Mar 24, 2012 reversibility and conservation skills Mar 24, 2017 reversibility well established Mar 24, 2018 conservation skills and classification skills improve Mar 24, 2020 see world from other perspectives Mar 24, 2021 think abstractly and symbolically logical and deductive reasoning
