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The Pepper Experiment

Watch surface tension in action.

The Pepper Experiment Experiment

Materials Checklist

The Pepper Experiment Experiment

Questions and Things to Notice

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

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?


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On 19 December 2020, Anonymous Primate said,
I did this at school in Stem
On 21 November 2020, Anonymous Primate said,
never suspected this!!!
On 8 May 2020, Anonymous Primate said,
the pepper didn't do when it was just water but we added soap it moved away from the soap
On 7 May 2020, Alex said,
Why do you think it didn't work? Something to experiment about :)
On 7 May 2020, Anonymous Primate said,
it did not work
On 5 May 2020, Anonymous Primate said,
It was freakisly scary because it moved away from my finger the second time.
On 5 May 2020, Anonymous Primate said,
it was going away from the soap.
On 4 May 2020, Anonymous Primate said,
the first time I got pepper on my finger second it did not touch me

Materials Checklist