This article describes some experiments performed to obtain the spectra of a candle, oil lamp, 60 W incandescent lamp and fluorescent tube. A professional spectrometer was used of a type unlikely to be available to schools so the spectral data are provided as a service to the teaching profession. The brightness and rate of fuel consumption of a candle and oil lamp were also measured. The data obtained could provide the starting point for a discussion, amongst other things, on greenhouse gas emissions.
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