Seperating Pepper

EFFECT: The magician shows a container of water have some pepper in the surface. The magician asks the spectator to put his finger in the container. When the spectator puts his finger in the container nothing happens but when the magician puts his finger all of the pepper spreads apart.

MATERIAL: You will need a container of water has some pepper in the surface, and soap.

METHOD: Put some some in your finger. Then ask the spectator to put his finger in the container when he puts his finger in the container nothing will happen. But if you placed the finger that has soap in it the pepper will spread apart.