Update
08-07-2015
Content Type
Student Resource
Grade Level
Sixth grade, Seventh grade, Eighth grade
Object Type
Website
License

This web page defines the phenomenon of capillary action as the movement of water within the spaces of a porous material due to the forces of adhesion, cohesion, and surface tension. Examples of capillary action in our everyday lives are given. Water movement through a stalk of celery is shown in two photographs.