Date: Mon, 25 Nov 2002 22:06:40 -0500

Author: "Dick Heckathorn"

Subject: RE: mental gymnastics



7 PC in L??? I thought it was 3 PC in L.


"Science is nothing more than learning how to communicate with nature in
such a manner that it will talk back."

Helping teachers who facilitate, motivating students who learn.
Dick Heckathorn 14665 Pawnee Trail Middleburg Hts, OH 44130
Physics Teacher CVCA 4687 Wyoga Rd Cuyahoga Falls, OH 44224
330-929-0575 VM 120

-----Original Message-----
[] On Behalf Of Anthony Lapinski
Sent: Monday, November 25, 2002 12:19 PM
Subject: mental gymnastics

There are some "mental gymnastics" in the NJSTA newsletter that I use in
my science club. Most answers are "scientific." For example:

5280 = F in a M (feet in a mile)

7 PC in L (primary colors in light)

A few have stumped me:

70/PGR = DT

1/127 = A

Anyone know what those letters stand for?