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Re: [Phys-l] Fun/cool unit conversion example?

I like to have students build a "cubic meter" using masking tape and
meter sticks and then make a bunch of "cubic centimeters" out of pieces
of index cards and then ask them to figure out how many cubic
centimeters would fit in the cubic meter. I don't think it has the gee
whiz factor you are looking for but I think it helps students to
recognize that there is something wrong with a conversion factor of 100
cubic centimeters to a cubic meter.

-----Original Message-----
From: [mailto:phys-l-] On Behalf Of Jeff Loats
Sent: Monday, January 18, 2010 4:17 PM
To: Forum for Physics Educators
Subject: [Phys-l] Fun/cool unit conversion example?

Hi all,

On the first day of class I do a brief example to illustrate unit
(snore) and I usually spice it up by making it very silly (such as
measured in gigaslugs per parsec cubed).

I thought I would ask here to see if anyone had a neat unit conversion
example that left you with a sense of "huh, I didn't know that" or
"that was
cool!" or something similar.


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