Work - Energy transferred when a force moves something over a distance, Force - A push or a pull, Machine - A tool that makes work easier by changing force or direction, Simple Machine - A machine with only one basic movement that helps do work, Inclined Plane - A slanted surface that raises objects, Wedge - Two slanted surfaces joined to split or cut, Screw - An inclined plane wrapped around a cylinder, Lever - A rigid bar that turns on a fulcrum to lift a load, Fulcrum - The pivot point of a lever, Wheel and Axle - Two connected circular objects that turn together to move things, Pulley - A grooved wheel with a rope or chain for lifting or moving loads, Mechanical Advantage - How many times a machine multiplies the input force, Power - How fast work is done, Joule - Metric unit for work or energy, Newton - Metric unit for force, Meter - Metric unit for distance, Watt - Metric unit for power, Second - Metric unit for time, Work = ? - Work = Force × Distance, Power = ? - Power = Work ÷ Time, Name the six simple machines - Inclined plane, wedge, screw, lever, wheel and axle, pulley, A screwdriver prying a paint-can lid is acting as which simple machine? - Lever, What two main parts create a pulley? - A wheel plus a rope, cable, or chain, Which simple machine is on the bottom of a wagon to help it roll? - Wheel and axle,

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