Careful, that light bulb is hot! Compare heat and light energy using a simple light bulb. The exercise addresses energy conservation and presents actual calculations to determine the most cost-effective light bulb.

Concepts

energy, data analysis, light, heat, probability, technology resources

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Classroom Considerations

• Materials needed include: incandescent light bulb, compact florescent light bulb, LED bulb, infrared thermometer, ruler, and a light meter

Pros

• Hands-on activity to tackle a real-life issue

Cons

• The materials needed may not be readily available

Common Core

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