Curriculum Instructor Overview: Simple Machines 2 Simple Machines Overview Simple Machines Resources Ramps 4 Inclined Planes (Ramps) PhET Simulation – The Ramp Wedges Screws Levers 1 Levers Wheels, axles and gears 3 Wheels Axles Gears Pulleys 1 CK12 Simulation: Block and Tackle Structure and Stability 1 Structure and Stability Instructor MEHRD