The Pepper Experiment

Watch surface tension in action.

The Pepper Experiment Experiment

Materials Checklist

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

Before You Start - Lab Safety

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.

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Procedure

  1. The Pepper Experiment Experiment Step 1
    Step 1

    Fill the bowl about halfway with water.

  2. The Pepper Experiment Experiment Step 2
    Step 2

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

  3. The Pepper Experiment Experiment Step 3
    Step 3

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

  4. The Pepper Experiment Experiment Step 4
    Step 4

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

Materials Checklist

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