From: McGrath Edward J <Edward.McGrath**At_Symbol_Here**REDCLAY.K12.DE.US>
Subject: Re: [DCHAS-L] [External] Re: [DCHAS-L] another "safe" demo
Date: Sat, 5 Oct 2019 23:00:08 +0000
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
If you're right, it's not only unsafe; it's extra messy, as in sooty.
As a school administrator, I want to know WHY. I've never heard of a teacher contract that requires a teacher to entertain the students. And don't try the whole, "well, it engages the students " argument. Student engagement means that
the students are working on a meaningful task.
Sent via the Samsung Galaxy S8, an AT&T 5G Evolution capable smartphone
-------- Original message --------
From: ILPI Support <info**At_Symbol_Here**ILPI.COM>
Date: 10/5/19 6:52 PM (GMT-05:00)
Subject: [External] Re: [DCHAS-L] another "safe" demo
My money is on calcium carbide because he said "starting to generate that flammable gas". Pour water on the calcium carbide and it makes acetylene; the basis for old miner's lamps.
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