Two identical glasses are filled to the same level with juice.A child then watches as the juice from one glass is poured into a taller,thinner glass.A child who is capable of concrete operational thought might say:

Question

Quizplus · Accepted Answer

A child who is capable of concrete operational thought understands that the amount of juice remains the same regardless of the size or shape of the container. Pouring the juice back into the original glass would confirm this for the child. Choices A and D demonstrate a lack of understanding that appearance does not indicate quantity. Choice B is incorrect because the liquid level was clearly higher in the shorter glass before the transfer was made, indicating that they are not the same.

Two Identical Glasses Are Filled to the Same Level with Juice.A