The Pepper Experiment

Materials You'll Need:

Learn about the surface tension and polar molecules in this easy pepper experiment, using only a handful of household materials.

Step 1

Fill the bowl about halfway with water.
Step 2

Shake some pepper onto the surface of the water, so that the water's surface is mostly covered.
Step 3

Dip one of your fingers into the water. Did anything happen?
Step 4

Now, put a small drop of dish soap on your finger and try again. What happened this time?