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Previous by Date: Subject: Re: [DCHAS-L] Facial hair and fire? Date: January 24, 2013 3:52:08 PM EST Author: ILPI |
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Perhaps you could show the PI videos of Michael Jackson's noted Pepsi
commercial.
On Thu, Jan 24, 2013 at 2:21 PM, McGrath Edward J
Every so often, I get a science teacher (usually chemistry) whose
Edward J. McGrath
Science Supervisor
Red Clay Consolidated School District
1502 Spruce Avenue
Wilmington, DE 19805
(302) 552-3768
"Fortune favors the prepared mind." Louis Pasteur
From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED.CORNELL.EDU] On Behalf Of
All - Please let me know if anyone out there has had any any experience with
I have a PI who has a full beard (we are talking ZZ Top style beard here).
Anyone have any suggestions on how to prevent this fellow from burning his
Sammye
--
***************************************************************************************
Don't always believe what you think.
Samuella B. Sigmann, NRCC-CHO
Lecturer/Safety Committee Chair
A. R. Smith Department of Chemistry
Appalachian State University
525 Rivers Street
Boone, NC 28608
Phone: 828 262 2755
Fax: 828 262 6558
Email: sigmannsb**At_Symbol_Here**appstate.edu
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If this person is presenting as an instructor, he is modeling extremely poor
practice. Regarding the beard, I don't see how it differs from working with
shoulder length hair around an open flame (I have had the experience of a
student with shoulder length hair singeing it as she reached over a Bunsen
burner flameÑfortunately, without injuryÑjust a foul odor.) You are
absolutely correct in telling him this demonstration as he describes it is
inappropriate.
instructional purpose seems to be to dazzle and terrify the students. My
response is to request a listing of instructional objectives as tied to the
state standards.
Samuella B. Sigmann
Sent: Thursday, January 24, 2013 3:09 PM
To: DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU
Subject: [DCHAS-L] Facial hair and fire?
this situation.
He is insistent on doing demos with flames - including fire eating. Don't
ask me what chemical principal that is demonstrating. Yesterday he asked me
what I thought about doing the classic "money burning" demo where you dip a
dollar in a 50/50 isopropanol/water mixture that shows how evaporation cools
the money and prevents the alcohol from burning it, only he wants to use
his beard instead of the money. I am not sure if he was serious or just
trying to get a response out of me.
face off? In general, I would like to tell him that if the beard stays, he
cannot work with flames. Is that an option? It is so long that he can
actually tie it up and fold it in on itself, but it is still hanging pretty
low and could easily catch on fire with a Bunsen burner.