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I made ScienceFix.com to share my favorite demos that I do in my middle school science classes.  

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Tuesday
Feb012011

Video Demo: Flour Fireball



This is another favorite demo of mine.  Throughout the years I had mixed results.  I finally figured out that Gold Medal all purpose flour works the best with some preparation.  I sift a small bag of flour to reduce clumping and ensure the separation of particles.  When doing this demo be aware of what kind of fire alarms/detectors are used in the building. In my classroom there is no sensor that will go off.  Where I recorded the video, our school's multipurpose room, it (it was about 30 feet above the demo area) could detect the heat/smoke that was released (the alarm sounded about 1 minute after the actual demo).

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