a conscious perception that tangible amounts do not vary whenever their appearances are modified. Preservation is a substantial factor in Piaget's cognitive development theory.

CONSERVATION: "The conservation of the liquids from one container to the next was puzzling to the small children when they were told no fluid was added or removed at any point."
Cite this page: N., Pam M.S., "CONSERVATION," in, April 7, 2013, (accessed September 16, 2021).