How many humans does it take to power a light bulb? The 10th part of a 25-lesson Energy Systems and Solutions unit has learners conduct an experiment to calculate power. They then use the results to determine how many classmates they would need to power a 60-watt light bulb.

Concepts

power, force, energy, work, technology resources

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Instructional Ideas

• Have the class determine the energy requirements for different gadgets
  

Classroom Considerations

• Activity requires some materials; see resource for complete list
• Scholars should have familiarity with force, work, energy, and power

Pros

• Provides a student worksheet
• Young pupils will appreciate the hands-on nature of the activity

Cons

• None

Common Core

6.NS.B.2 6.NS.B.3 6.EE.B.7 7.NS.A.2.a