If children understand that when a ball of clay that is rolled into a long snake still has the same amount of clay has mastered conservation of:
A) number.
B) length.
C) area.
D) mass.

Question

Quizplus · Accepted Answer

Understanding that the mass of the clay remains the same despite its shape changing demonstrates mastery of conservation of mass. This concept is part of Piaget's theory of cognitive development, indicating that the child understands that physical properties of objects can remain constant even when their appearance changes.

If Children Understand That When a Ball of Clay That