One hard thing to explain to teens is how legitimately exciting it used to be when someone would wheel in an overhead projector.
As a fund-raiser, the chemistry club designed and sold T-shirts. Written across the front were our top "Stupid Chemistry Sayings":
• Have yourself a Merry Little Bismuth
• What do you do with dead people? Barium
• You stupid boron!
• We hope your year is very phosphorous.