Students, in groups, venture onto the schoolground on a scavenger hunt for shapes. They are given tasks: recorder, team leader, presenter, reporter, and behavior guidelines and a time limit. They search the school for shapes found in...

Here is an inventive plan that should get your young scientists excited! In it, groups of pupils test out the work done by six different simple machines. The machines are: the wedge, the lever, the inclined plane, the pulley, the screw,...