This is a link to print out warning Cards. bring the card back in five minutes and tell what you did wrong and how you will fix it. This gives students time to reflect on their behavior and cool down before discussing it with the teacher.
COOPERATIVE ACTIVITY~ Great group activity that engages curiosity about the science behind the "trick. is it wrong that all I can think of is "how the heck do they now get out of this without all of them falling on the hardwood floor?