Six+Simple+Machines

Six Simple Machines Six Machines are shown in this youtube vides: media type="custom" key="10891164" media type="custom" key="10891172" I think you will like Bill Nye the Science Guy Bill Nye and a large lever !!! http://www.youtube.com/watch?NR=1&v=jGkQ64zn1j0 media type="custom" key="10908518" media type="custom" key="10908574" media type="custom" key="10908578" media type="custom" key="10908660"