Here is a fascinating find for future techies: a video about how various light bulbs work. Because it begins with the incandescent bulb, it covers a bit of history of the light bulbs. It concisely and creatively describes how halogen lamps, fluorescent bulbs, metal halide vapor lamps, and LED bulbs work. It makes a high-energy enrichment to your STEM lessons. Follow it with some hands-on activities with LED bulbs in circuits or by assigning it some further research on the different types of bulbs. 

Concepts

light bulbs

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Additional Tags

light bulb, stem, halogen lamp, fluorescence, vapor lamp, science

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Classroom Considerations

• This video is hosted on YouTube

Pros

• Clever hand-drawn animation makes the video entertaining to watch in addition to being educational
• Can be used as part of a STEM unit

Cons

• None