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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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    Something Funny Happened on the Way to the Moon
    by Sara Howard
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    NOVA - Origins
    starring Neil Degrasse Tyson
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    Human Body: Pushing the Limits
    starring Bray Poor
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Wednesday
Oct192011

Flaming Colors

Students in my classes have to determine if a substance has changed physically or chemically. In order to do that, they need to know if the properties of a substance has changed. We can look at many different properties of a substance such as color, density, boiling point, melting point, taste, texture, hardness, etc. One of the most exciting properties of matter is the color in which they burn.  In the video above I show color flame candles and then show a demonstration of two different compounds, strontium chloride and copper sulfate, mixed with denatured alcohol, that produce large colorful flames.

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