Examlex
In one sentence, describe the picture of the atom that emerged from the Rutherford-Geiger-Marsden experiment with alpha particles.
Cognitive Concept
An idea or mental construct that represents understanding, thoughts, or awareness regarding objects, events, or relationships.
Object Reversibility
Refers to the cognitive recognition that relationships or operations can be returned to their original state from a changed state, underscoring a development in logical thinking.
Identical Balls
Objects that are exactly the same in every aspect, such as size, weight, texture, and material.
Concrete Operational Stage
A stage in Piaget's theory of cognitive development (approximately age 7-12) where children gain the ability to think logically about concrete events.
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