What a bright idea! Working in groups, scholars design a solar phone charger by applying concepts from the unit. They use solar modules and buck and boost converters in their creations, which must be able to charge a phone after receiving four hours of sun.

Concepts

solar energy, engineering design, the photovoltaic system, batteries, voltage, electric circuits, electric currents

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Instructional Ideas

• Have groups give presentations to the rest of the class
  

Classroom Considerations

• Last of seven lessons in the Off the Grid unit
• A variety of circuit components is necessary; see the resource for a complete list
  

Pros

• Includes a written assessment instrument
  
• Provides detailed background information for instructors
  

Cons

• None

Common Core

HSN-Q.A.1 HSN-Q.A.2