http://tlf.dlr.det.nsw.edu.au/learningobjects/Content/L7879/object/index.html
This activity asks students to place an animal into a cart. Then they have to place the monkey at the front or the back of the cart, depending on whether they have been asked to push or pull the cart up the hill. Once the task is complete they are asked where the monkey had to be placed.
This activity links to K/1/2's science unit, Powering On.