← AR - Child Care - Unit 6 Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All classification the process of mentally grouping objects or ideas into categories or gropus based on some unique feature cooperative play activity in which children actually play with one another development to go through a natural process of growth developmental tasks one of the skills that children learn at different stages of development; these tasks include physical, mental, social, emotional, and moral skills growth a stage in the process of growing hand-eye coordination the ability to move hands and fingers precisely in relation to what is seen maturation sequence of biological changes in a child giving the child new abilities motor skill development process of acquiring the standards of behavior considered acceptable by society object permanence the concept in which an infant learns that people or things exist even when they are gone from sight parallel play activity in which children play side by side without interacting personality the characteristics that make a person unique reversibility capable of going backward or forward through a series of actions or changes self concept the mental picture people have of themselves; their opinion about themselves seriation the ability to arrange items in an increasing or decreasing order based on weight, volume, number, or size; grouping by a common property solitary play play that is independent and exploratory in nature spatial relating to space stage a period or step in process, activity or development of a person's life