Short Activities

Only give them two or three minutes to work on a problem. That concentrates them and prevents them just talking about the football or whatever it is that’s on their mind. You need to keep changing the activity, rather than have extended activities. We want them to chat, but human beings won’t sit and chat about quantum mechanics for more than two or three minutes, they’ll get onto what they want for lunch. So it’s finding that balance. Two or three minutes seems to work about right.