__________ is the principle that the amount of a physical substance remains the same even if its physical appearance changes.

Question

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Conservation refers to the understanding that the amount of a substance remains the same even if its physical appearance changes. This cognitive ability is part of Jean Piaget's theory of cognitive development, specifically the concrete operational stage (ages 7-11). Animism refers to the belief that inanimate objects have feelings and thoughts, egocentrism refers to a child's inability to perceive things from someone else's point of view, and reversibility refers to the understanding that some transformations can be undone or reversed.

__________ Is the Principle That the Amount of a Physical