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Previous by Date: Subject: Re: [DCHAS-L] Letter to the National PTA regarding the rainbow flame demo Date: Friday, June 21, 2019 at 9:48:59 PM Author: Samuella Sigmann <sigmannsb**At_Symbol_Here**appstate.edu> |
Next by Date: Subject: Re: [DCHAS-L] Letter to the National PTA regarding the rainbow flame demo Date: Sat, 22 Jun 2019 03:30:45 -0500 Author: Alan Hall |
Thank you
Any number can play. I may be unaware of some organizations that could
help and it may be useful to have organizations contacted by multiple
people.
Dave Lane
On 6/21/19 6:48 PM, Samuella Sigmann wrote: ---
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> Thank you Dave. Reach out to as many groups as you can.
> Sammye
>
> On 6/21/2019 6:36 PM, davivid wrote:
>> Here is a letter I just emailed to the National PTA. Let's hope this
>> helps get some progress on the issue.
>>
>> Dave Lane
>> Principal
>> Clavis Technology Development
>>
>>
>> -------- Forwarded Message --------
>> Subject: Dangerous classroom demonstration
>> Date: Fri, 21 Jun 2019 15:31:09 -0700
>> From: davivid
>> To: info**At_Symbol_Here**pta.org
>>
>> Dear PTA Gatekeeper
>>
>> I write to call your attention to a common classroom demonstration
>> that injures students in several incidents every year. I hope that the
>> PTA can help end this practice by informing parents and schools of the
>> danger.
>>
>> The demonstration is typically called the "Rainbow Flame" or similar.
>> It involves solutions of various metal salts dissolved in alcohol that
>> are set on fire. The different metal salts give various colored
>> flames, hence "rainbow flame". If alcohol is poured near flame or
>> other ignition source the alcohol can suddenly erupt from the bottle
>> in a phenomenon called "flame jetting". The jet of flaming alcohol can
>> severely burn anyone in the path of the flames even as far as ten feet
>> away.
>>
>> Here are some links describing flame jetting.
>>
>> https://www.youtube.com/watch?v=5sfUl6GIdYo
>> Small Bottle, HUGE Fireball (How Flame Jetting Works)
>>
>> https://www.youtube.com/watch?v=FkOX91tRb04
>> Dangerous ‰??Flame Jetting‰?? Phenomenon Kills Hundreds Every Year
>>
>>
>>
>> Here are links to some recent instances of flame jetting that have
>> injured students
>>
>> https://www.washingtonpost.com/news/education/wp/2015/11/11/this-chemistry-fire-demonstration-has-repeatedly-burned-students/?noredirect=on
>>
>>
>> https://nypost.com/2019/06/18/student-injured-in-science-class-recalls-hopelessly-burning-alive/
>>
>>
>> https://www.pritzkerlaw.com/personal-injury/2017/rainbow-fire-science-experiment-hospitalizes-6-tx-preschoolers/
>>
>>
>> https://www.nytimes.com/2014/01/04/nyregion/school-experiment-that-burned-boy-was-focus-of-federal-warning.html
>>
>>
>> https://nypost.com/2019/06/20/teacher-of-chemistry-lab-gone-wrong-neglected-safety-protocols-expert/
>>
>>
>>
>>
>> Here is information on making classroom demonstrations safer
>>
>> https://cen.acs.org/articles/93/i46/Make-Chemistry-Classroom-Demonstrations-Experiments.html?PageSpeed=noscript
>>
>>
>> http://ameriburn.org/prevention/stop-the-flame/
>>
>> https://www.acs.org/content/acs/en/chemical-safety/basics/flame-jetting.html
>>
>>
>> https://www.acs.org/content/dam/acsorg/about/governance/committees/chemicalsafety/publications/ccs-chair-rainbow-demonstration-cen-comment.pdf
>>
>>
>> https://www.youtube.com/watch?v=kkBFG1mTSBk
>> A Safer "Rainbow Flame" Demo for the Classroom
>>
>>
>> I ask your help in making classrooms safer for all students.
>>
>> Thank You
>> Dave Lane
>>
>> ---
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>
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