Before performing this experiment, try the penny and paper clip experiments.
What does soap do to water?
|A bowl, preferably glass.|
|When you first sprinkled on the pepper, did it float or sink? Why?|
|Describe what happened when you touched the soapy toothpick to the water.|
|Using the words cohesion and adhesion, describe what you saw.|
For more information you can read up on the topic.