By age 7,studies demonstrate that children grasp conservation of mass or substance.

Question

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According to Piaget's theory of cognitive development, children typically grasp the concept of conservation around the age of 7. Conservation refers to the understanding that even if the physical appearance of an object changes, its fundamental properties, such as its mass or volume, remain the same. Therefore, by age 7, most children should be able to understand that pouring water from a short, wide glass into a tall, narrow glass does not change the amount of water present.

By Age 7,studies Demonstrate That Children Grasp Conservation of Mass