This picture was taken by one of the SEED experts. The idea of the game is to place a coin on top of a lemon that is floating in a glass of water. If the coin stays up there for five seconds or more, you win. If it slips off sooner than that, you lose. Do you think it’s easy to win?

Make a prediction. Then try it for yourself. All you need is a lemon (a lime will do), a glass of water and some coins.

What did you predict? What happened? What’s your explanation for what happened?

Check our results and compare with yours.