Re: [Phys-l] heat/energy

["Anthony Lapinski" <Anthony_Lapinski@pds.org>]

I checked our chem lab.They have the kit from Flinn with two iron balls,
one wrapped in foil (Thermit Reaction).

Forum for Physics Educators <phys-l@carnot.physics.buffalo.edu> writes:
> Anthony asked: 
>
> -----Original Message-----
> From: phys-l-bounces@carnot.physics.buffalo.edu
> [mailto:phys-l-bounces@carnot.physics.buffalo.edu] >On Behalf Of Anthony
> Lapinski
> > Sent: Thursday, January 28, 2010 7:35 AM
> > To: tap-l@lists.ncsu.edu; phys-l@carnot.physics.buffalo.edu
> > Subject: [Phys-l] heat/energy
>
> > Does anyone have a demo/activity that "easily" shows a temperature rise
> > when two objects impact?
>
> Not quite what you asked for, but we have a pair of "collision balls" -
> essentially oversized steel ball bearings.  When collided with a piece of
> paper between (takes practice) the collision burns a hole in the paper.
>
> *******************************************************
>  "When a distinguished but elderly scientist states that
> something is possible, he is almost certainly right.  When 
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>
> Dr. George Spagna
> Physics Department
> Randolph-Macon College
> P.O. Box 5005
> Ashland, VA 23005-5505
>
> phone: (804) 752-7344
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> e-mail: gspagna@rmc.edu
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