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.

Concepts

energy, energy conversion, motors, technology resources

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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

Common Core

6.RP.A.3.a 6.RP.A.3.c 6.NS.B.3