Simple Machines


Essential Question(s) 

How do simple machines help us to do work?

Content Learning Targets

  • Students make a device for measuring the strength of a push or pull
  • Students learn that work is accomplished when a force is applied to an object and the object moves
  • Students are introduced to the six types of simples machines:
    • the lever
    • the wheel and axle
    • pulley
    • inclined plane
    • wedge
    • screw
  • Students discover that friction is a force that resists motion
  • Students discover how wheels reduce friction
  • Students investigate how gears are used to transfer force and motion
  • Simple machines make work easier