Mr. Rountree's Elemental Classroom!

If you want to see a great example of what a good teacher can do with a good periodic table (and particularly a good periodic table card deck), you could not ask for anything more than Mr. Rountree's class.

Can you figure out what they were doing with the gummy drops?

Pictures speak louder than words, so without further ado, the pictures (click any one to see it bigger):