Identify the correct statement about the ability to conserve different physical quantities in 'measurement as proposed by Piaget.

Options

A. Conservation of length is grasped before conservation of number.
B. Conservation of weight is grasped before conservation of volume.
C. Conservation of volume is grasped before conservation of mass.
D. Conservation of weight is grasped before conservation of number.

Answer

B

Explanation

Option (2) is correct. Conservation of weight is grasped before conservation of volume. Weight has more effect on our body than volume and volume can be measured later.