1. 2Learn: Simple Machines
   Simple Machines Links.
   http: //manatee.k12.fl.us/sites/elementary/samo...
   
   
2. Beakman & Jax & Levers 1
   
   http: //beakman.com/lever/lever.html
   
   
3. Classroom Activity: Sketching Gadget Anatomy
   Observe a machine closely from several angles while it operates.
   http: //mos.org/sln/Leonardo/SketchGadgetAnatom...
   
   
4. Facts: Simple Machines
   Simple machines played a big part in early mining..
   http: //northstar.k12.ak.us/schools/upk/project...
   
   
5. GEARS AND GEAR RATIOS
   GEARS are wheels with mating teeth cut in the rim or surface so that one can turn the other without slippage. The lever is basic to gearing. A pair of gears is essentially a set of spinning levers each with two equal arms acting in turn
   http: //weirdrichard.com/gears.htm
   
   
6. Gadget Anatomy
   Which gadets have simple machines?
   http: //mos.org/sln/Leonardo/GadgetAnatomy.html...
   
   
7. Inclined Planes
   The inclined plane is a plane surface set at an angle, other than a right angle, against a horizontal surface
   http: //weirdrichard.com/inclined.htm
   
   

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