Andrew's Science Log

Science notes – with experiments!

Archive for the ‘Chemistry’ Category

Burning magnesium in dry ice (video)

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Caution: this reaction produces an intense white light and substantial ultraviolet light that you can not see but can damage your vision. Although the dry ice absorbs much of this, do not allow anyone to stare at the light at its brightest.

Yes, magnesium will burn merrily in a block of dry ice; oxygen is not the only oxidizer in town.

Last January, among other things I demo’d for the 8th graders in Physical Science magnesium burning in dry ice (CO2). It’s a beautiful and impressive experiment that I have done many times, not to mention dangerous if mishandled. The boys helped videotape the practice session in our kitchen, and I added captions. Read the rest of this entry »


Written by Andrew Wells Douglass

1 February 2009 at 10:03

Posted in Chemistry