W Which of the Following Illustrates the Piagetian Principle of Conservation

Multiple Choice

W Which of the following illustrates the Piagetian principle of conservation?

A) A pre-kindergarten teacher shows a student a ball of clay, rolls it into a pencil-shaped length, and asks the student whether the amount of clay increased, decreased, or stayed the same before and after.
B) A pre-kindergarten teacher gives a student a bag of pennies and asks the student to count the number of pennies it takes to cover a 3"x5" card.
C) A pre-kindergarten teacher shows a student three plants in various stages of health, and asks the student to pick out the healthiest plant.
D) A pre-kindergarten teacher provides a ramp and a ball, sets the ramp at various heights, and asks the student which height will enable the ball to roll down the plank the fastest.
E) All of the above
F) None of the above