Lever- a machine that you can pull to move something
Inclined plane- a flat surface set at an angle used to help raise or lower objects.
Wedge- a simple machine that has a thick end and a thin end.
Pulley- a grooved wheel with a rope or chain running along the groove.
Wheel & axle- a large wheel with a rod called an axle through its center.
Screw- a simple machine that is an inclined plane wrapped around a central cylinder to form a spiral.