Question: What will happen when you mix dish soap with milk and food coloring?
Hypothesis: We think that the dish soap will make the colors spread out around the outside of the plate!!
- First, pour the milk in the plate, make sure that it covers the base of the plate.
- Next, take some different color food coloring and pour 2 drops per color.
- After take a Q-tip and dip it in your soap.
- Lastly, with the soap on the Q-tip press it in the middle of the plate.
Then you will find you conclusion!
Preferably near a sink
Watch us in action:
The Science behind it:
The reason the conclusion is what it is, is because of surface tension. The milk and food coloring have surface tension. The dish soap brakes up the surface tension and makes it burst out!
Question: What Is Surface Tension?
Answer: The tension of the surface film of a liquid caused by the attraction of the particles in the surface layer by the bulk or the liquid, which tends to minimize surface area.
Later on you can Add Graphs with results
From this experiment, we learned that the soap will break up the surface tension of the milk, causing the .
About Author 1
Hi, my name is Natalie, I am 10 years old and enjoy soccer, basket ball and especially science that is why I love science night and I hope you like my experiment as much as I do!
About Author 2
Hi, my name is Gretchen and I am 10 years old, I love dance, science and basketball, I had so much fun doing my project and I hope you like our experiment as much as I do!
Procedure: Will there be enough of an opportunity for all participants to be able to add coloring to the milk? Maybe have 4-5 plates set up per group, so everyone has an opportunity.
Science Behind it: EXPLAIN WHAT SURFACE TENSION IS. WHY DO THE COLORS ACTUALLY FAN OUT WHEN ADDED TO THE MILK, BE SPECIFIC
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