Question

What characteristic of water would you be investigating when you place a small drop of water on wax paper and when you try to float a paper clip in water?

I know that the paper clip does not float and that the drop of water rolls around on the paper.

Answer 1

What is cohesive forces? http://en.wikipedia.org/wiki/Cohesion_%28chemistry%29

Answer 2

Forces between like molecules, such as the force between water molecules.