Chemistry Teachers!

Do you teach chemistry? This activity is suppossed to be great, I know I'll try it this year!

THE STRANGE CASE OF MOLE AIRLINES FLIGHT 1023
Group Activity MSWord File
Sample Problem MSWord File

Solution: The answer is that Norm Anderson blew up the plane, but he killed himself with poison an hour before the explosion.

Many thanks to J. Notz for submitting it!