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This A Spectral Mystery lesson plan also includes:
It's no mystery that every gas has an emission spectrum. Scholars use a spectrograph to look at the emission spectra of nitrogen, oxygen, air, and other gases in gas discharge tubes. They use their results to determine the identity of a mystery gas.
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Instructional Ideas
- Set up learning stations for groups to look at the gas emission spectra
Classroom Considerations
- Completion of the lessons "Building a Fancy Spectrograph" and "Using a Fancy Spectrograph" is a prerequisite
- The activity requires a power supply for spectrum tubes and an assortment of gas discharge tubes
Pros
- Gives suggestions for assessment at various stages of the lesson
- Provides student handouts, including a data recording sheet
Cons
- None