PRESENTATION OUTLINE
~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 of this simple machine.
~PULLEY~
A rope, a wheel with a groove in it and a weight make up this simple machine. You can pull up or down on the rope to lift the weight.
~WEDGE~
The simple machine can be used to split things apart or hold a door open.
~INCLINED PLANE~
A heavy object could be rolled up this simple machine , instead of lifting it straight up.
~SCREW~
Examples of 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.
