Soap...it's something we all have used a zillion times over in our lifetime...but do you know how it really works? Let's take a look at how soap helps water wash away soil and dirt from our skin, clothes, dishes, and anything else we want to clean...
1- Take a small jar and add about 1/2 jar of water and a couple tablespoons of oil. Place the cap on and shake. After a few minutes, what do you notice? The water and oil should have separated with the oil laying on top of the water...right?
2- Now add several drops of dish-washing liquid and shake. Let sit a few minutes.
Now what do you see? The mixture should be cloudy since the oil and water have mixed together because of the added soap. They aren't separating like before. Why not?