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Soap and Surface Tension

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Soap and Surface Tension | Science Fair Projects | STEM Projects
Have you ever wondered why soap is used to clean oil spills? In this experiment, you'll find out how soap can break the surface tension of water and mix oil and water together.

Hypothesis

The hypothesis is that soap can break the surface tension of water and mix oil and water together.

Method & Materials

You will fill a jar with three quarters of water, add a small amount of vegetable oil, and then add a small amount of liquid soap.
You will need a large drinking glass, jar, or beaker, water, vegetable oil, and liquid soap.

Results

After adding the liquid soap, the oil and water mixed together, showing that soap can break the surface tension of water and mix oil and water together.

Why do this project?

This science project is interesting because it shows how soap can be used to clean up oil spills.

Also Consider

Variations of this experiment could include using different types of oils or different types of soaps.

Full project details

You can find additional information and details for this science fair project here. Have fun exploring!

Related video

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