Machines are used for many purposes in our daily lives when we need to transfer energy into motion or move materials in a controlled way.
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Pressure Valve


Focusing Questions: How is energy transferred in mechanical devices? How do mechanical devices provide for controlled application of energy in ways that are efficient, effective and responsible?

Key Concepts
  • design and function
  • systems and subsystems
  • transmission of force and motion
  • simple machines
  • mechanical advantage, speed ratios and force ratios
  • hydraulics and pneumatics
  • measurement of work in joules

Mechanical Systems


Topic 1 Levers and Inclined Planes








Topic 2 The Wheel and Axle, Gears and Pulleys






Topic 3 Energy, Friction and Efficiency



Topic 4 Force Pressure and Area




Topic 5 Hydraulics and Pneumatics



Topic 6 Combining Systems




Topic 7 Machines Throughout History




Topic 8 People and Machines




Simple Machines Links and Activities