Efficiency of an Electromechanical System

This Efficiency of an Electromechanical System activity & project also includes:

How efficient is a motor in a LEGO set? Future engineers conduct an activity where a LEGO motor-generator system raises an object to a specified height. They then show what they learned and use their measurements to calculate the energy efficiency of the system.

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CCSS: Designed
NGSS: Designed
Instructional Ideas

  • Have the class extend the activity to determine the energy efficiency of other appliances and systems
Classroom Considerations

  • Builds on knowledge from the associated lesson (this is the 20th installment of a 25-part Energy Systems and Solutions unit)
  • Activity requires materials, such as a LEGO motor-generator set
Pros

  • Lists detailed instructions for the activity
  • Provides a student worksheet
Cons

  • None