Conservation: The understanding that something stays the same in quantity even though its appearance changes. To be more technical (but you don’t have to be) conservation is the ability to understand that redistributing material does not affect its mass, number or volume.
Conservation refers to a logical
thinking ability which, according to the psychologist
Jean Piaget
becomes evident in children aged 7–12 during the concrete operations stage
of their development. It is part of Piaget's theory of cognitive
development.
We did this in my
year three class today. (that’s second grade to my US peeps) and I am sad to
say that I still struggle with this. I *know* logically that the short fat
container is 1 litre and so is the tall thin container (because they are both clearly
marked 1000ml) and yet, I had to run a quick test as I was gathering the materials
for the teacher because I had a lingering doubt that it would work. The short
fat container seemed so small and the tall was really tall. I did a quick test
of filling the small one with water and transferring the water to the tall one.
Needless to say, it worked and I was
secretly amazed because I was sure it wouldn’t. I am sure all of the rest of
you over the age of 7 probably figured that out, but somehow I am perpetually
in that childhood category.
So there we are.
Conservation. A skill that has passed me by. Sigh…..it is a good thing I work
in year three.