A student places a small amount of water in a glass dish and then carefully places a small paperclip on the surface of the water. The paperclip floats. What happens if the student adds a drop or two of dish soap to the water? Check all that apply.
Answer
A
The paperclip falls through the water to the bottom of the dish.
B
The soap acts as a surfactant.
C
The soap increases the surface tension of the water.
D
The soap decreases the surface tension of the water.