Watch surface tension in action.
Always remember to wear eye protection during science experiments. Never handle sharp objects, open flames, chemicals, or other dangerous objects without adult permission and supervision.
Fill the bowl about halfway with water.
Shake some pepper onto the surface of the water, so that the water's surface is mostly covered.
Dip one of your fingers into the water. Did anything happen?
Now, put a small drop of dish soap on your finger and try again. What happened this time?