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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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Wednesday
Dec082010

Video Demo: Fire Hand

This is one of my favorite demos with students.  Students get to hold methane bubbles in their hand and then experience the exothermic reaction when it reacts with oxygen in the air.  The look on their faces is pure amazement. 

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Reader Comments (7)

Wow. That is a really cool demo. I teach high school biology, but it's so cool, I'm determined to find a way to incorporate it somehow. Thanks for sharing! I love your site.

December 20, 2010 | Unregistered CommenterExcited Neuron

Thanks. It's one of my favorites.

December 20, 2010 | Registered CommenterDarren Fix

I just found your website. I absolutely love it. I do have one question: Where did you get the methane to make the bubbles?

February 27, 2011 | Unregistered CommenterTeachSci7

The methane comes from the gas jets that are in my classroom. Propane/butane canisters can also be used.

February 27, 2011 | Registered CommenterDarren Fix

I am a pre-service teacher and would like to teach middle school students. This experiment is very fun to watch and seems to be safe since the heat rises. Is it really safe to let your middle school students hold these buddles? Is this an experiment you had to recieve special permission to do?

March 27, 2011 | Unregistered CommenterAnna

Anna, I do it each year with my middle school students. I never use a permission slip. Try it out on yourself first to see what it feels like. Rule of thumb is always do it moderation. Don't use a huge amount of bubbles because it will generate a large amount of heat. Keep it a smaller amount like in the video.

March 28, 2011 | Registered CommenterDarren Fix

I would always be sure my department chair, or an administrator was aware of anything that I was doing like this in my classroom. Accidents can happen. You want to be sure students are well back, only as a demo in a grade school classroom. With the warning do not do this at home.

July 12, 2011 | Unregistered CommenterBill Ssdler

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