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Re: [Phys-l] glassware needed

At 12:39 AM 1/2/2009, you wrote:
Well if you look at the misconceptions of students which are addressed by
the RTP and ILDs, the important factor for students to understand is how
relative factors change the temperature-heating relationships. Simple
experiments which just measure how much the temperature rises for a given
input of energy do not address the misconceptions....
> >John M. Clement

Folks who want to make concrete some relations which may help student
understanding might consider the virtues of hot pennies.
Adding a hot penny at a time to a sample of cold water might well
show off a staircase of temperature versus number.

This is essentially your recommendation, John, but rendered concrete,
with all its possibility of scorching juvenile skin, it's true!
[What's so intuitive about an invisible pulse of electrical heating, anyway?]

Brian Whatcott Altus OK Eureka!