Heat up some interest in solar energy. Young engineers create a water heater that runs on solar power (simulated by a lamp). Using thermometers, they determine the change in temperature before and after the water goes through the heater.

Concepts

engineering design, heat, heat energy, solar energy, technology resources

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Instructional Ideas

• Have pupils build a similar heater to a larger scale and see if it works with the actual sun
  

Classroom Considerations

• Some knowledge of heat concepts is beneficial
• Activity requires a variety of materials; see instructor guide for a complete list
  

Pros

• Provides diagrams as part of the instructions
• Lists some questions to use in discussions after the activity
  

Cons

• None