conservation
To view the entire topic, please log in or purchase a subscription.
Nursing Central is an award-winning, complete mobile solution for nurses and students. Look up information on diseases, tests, and procedures; then consult the database with 5,000+ drugs or refer to 65,000+ dictionary terms. Explore these free sample topics:
-- The first section of this topic is shown below --
(kon″sĕr-vā′shŏn)

[L. conservatio, keeping, preserving]
A cognitive principle, first described by Piaget, indicating that a certain quantity remains constant despite the transformation of shape. Children develop conservation ability for number, length, liquid amount, solid amount, space, weight, and volume.
-- To view the remaining sections of this topic, please log in or purchase a subscription --
(kon″sĕr-vā′shŏn)

[L. conservatio, keeping, preserving]
A cognitive principle, first described by Piaget, indicating that a certain quantity remains constant despite the transformation of shape. Children develop conservation ability for number, length, liquid amount, solid amount, space, weight, and volume.
There's more to see -- the rest of this topic is available only to subscribers.