PRESENTATION OUTLINE
Wedge
This simple machine can be used to split things apart or hold a door open
Wheel and axle
These two parts act as one simple machine. They roll and are found on cars, bikes, and wheelbarrows
Screw
Examples of this are used to hold things together. It is made up of an inclined plane wrapped around a cylinder.
Lever
This simple machine can be used to lift a weight. It has a fulcrum, which can be located in the center, near the end, or at the end.
Pulley
A rope, a wheel with a groove in it and a weight to make up this simple machine. You can pull up or down on the rope to lift the weight.
Inclined plane
A heavy object could be rolled up this simple machine, instead of lifting it straight up.