Don't be too hesitant about teaching! Prepare! Enthusiasm and love of our magical craft will cover lots of shortcomings.

You will do fine! Trust me, I know these things.
Young people are great, but woe to the teacher who ignores their short attention spans!
What kind of cameras will they be using? P&S, parents' DSLRS??? The Full Auto default works a treat! That's ALL a beginner needs to know! This is supposed to be FUN!
Don't get too technical. People make photography harder than it needs to be.

Use the three b's of debate BE brief, BE Brilliant, BEGONE!
Good, brilliantly colored pictures to illustrate the points. (But not too many...attention span, you know.) (Good) photo appreciation...whoever recommended that gem has been there before, I bet.
All they really need to know is: #1 rule: camera steady! #2 Don't cut off the heads or feet, #3 get closer, and #4 BE THERE!
The fine tuning...composition, exposure, DOF. can be hit, lightly,at first. THEN...when you have 'em...sort of like charming snakes...

sneak a tech thought or two in.
It seemed to work for most of my freshman college students.
