Preschool Science: Pepper and Dish Soap Experiment
A preschool science lesson in water tension.
Watch as pepper magically floats away from your soap covered finger tip as you dip it in the water.
Lesson: The dish soap breaks the water tension that is created by the pepper resting on the water's surface, thus, forcing the pepper to float away from the water.
You'll need:
- Pepper
- A bowl
- water
- a teensy amount of dishsoap
Here's how:
- Fill a bowl with water
- Add lots of pepper, the more pepper the more dramatic the effect.
- Dab your finger in some dish soap, you don't need a lot.
- Dip your finger lightly in the water
- Watch as the pepper magically floats away!
*Develop your child's critical thinking skills by asking them what they think will happen before they add their finger to the water or have them try dipping their finger in with out the soap. Have them right down their ideas.
Here's a little video of our experiment. I think my favorite part is when my daughter dip the shaker in the water. That's real life, I guess.
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