

Capillary action is important for moving water (and all of the things that are dissolved in it) around. Smaller diameter tubes have more relative surface area inside the tube, allowing capillary action to pull water up higher than in the larger diameter tubes.Įven if you've never heard of capillary action, it is still important in your life.


in Action! Without capillary action, the water level in all tubes would be the same. Visit Media to see details.Ĭapillary Action. Sources/Usage: Some content may have restrictions.
