Examlex
Identify the following crystalline solids as ionic, molecular, or metallic.
-iodine, I₂
Object Permanence
The understanding that objects continue to exist even when they cannot be seen, heard, or touched, a concept developed in infancy.
Cognitive Development
Refers to the process of growth and change in intellectual/mental abilities such as thinking, reasoning, and understanding.
Piaget's Theory
A developmental theory proposed by Jean Piaget that outlines how children progress through four stages of cognitive development from infancy to adolescence.
Concrete Operational
Concrete operational stage is a phase in Piaget's theory of cognitive development, where children gain the ability to think logically about concrete, physical objects and events.
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