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A hypertonic solution
Secondary Circular Reaction
A stage in Piaget's theory of cognitive development where infants repeat actions that are pleasurable or produce interesting results, typically occurring from 4 to 8 months of age.
Primary Circular Reaction
An early developmental stage where infants repeat an action that they accidentally discovered, focusing on their own body.
Tertiary Circular Reaction
A stage in Piaget's theory of cognitive development during which toddlers experiment with new behaviors to see the outcomes, typically observed around 12 to 18 months of age.
Invention
The creation of a new device, method, or process, developed from study and experimentation.
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