Capillary Action is also called wicking, which is the ability of a substance to draw another substance into it. In the diagram, three different size glass tubes are standing in a container of colored water. Notice that the water rises to a different height in each of the tubes. The more narrow the tube, the […]
Transpiration
Janice VanCleave describes a fun transpiration investigation with ideas for further investigations. Good ideas for science fair projects.